HSTOOLING (formerly HI-SHEAR TOOLING) is a brand of ZEPHYR Manufacturing Co., Inc. (aka Zephyr Tool Group) designing and manufacturing the highest quality aerospace and industrial assembly tools and tooling systems.

HSTOOLING product porfolio includes installation, assembly and repair tools for Aerospace (air drills, riveters, both conventional rivet hammers and compression riveters, specialty fastener installation and other tools and accessories).

HSTOOLING ULTRALITE® compression riveters include different models covering different capacity requirements for aluminum and steel.They are  offered in Alligator jaw and C-Yoke models and feature ergonomic design, weight reduction vs. comparable-force models, high-strength forged jaws and C-yokes, precison bearings and shafts.  The new 702 and 702T alligator models posess outstanding force-to-size ratios. 

HSTOOLING Air Driver Assemblies are designed specifically for installing HI-SHEAR CORPORATION HI-LOK™ (*), HI-LITE™,  and HI-LOK™/HI-TIGUE™ pin and collar fastener combinations. They come in a variety of sizes and configurations, to drive fasteners in both open and restricted-access areas. Compact, lightweight, fast and reliable HSTOOLING tooling systems generate low noise compared with conventional riveting, require minimum employee training, and are designed to operate at a normal factory air pressure of 90 psi with 1/4 or 3/8 inch air lines.

Installation/removal tools for Hi-Lok™ or Hi-Lok™ style fasteners made by Jiffy Air Tool and USATCO are also offered. Pleae refer to the respective product presentations.

For additional information please refer to the supplied documentation or contact us.

(*) The HI-LOK™ fasteners from HI-SHEAR CORPORATION, subsidiary of LISI AEROSPACE, are the second most used fasteners in aircraft structural assembly after the solid rivets MS20470 and MS20426. The HI-LOK™ fastener system includes a rivet pin (similar to a screw but with additional advantages) and a collar (similar to a nut).

The CHERRY® Nut-Plate family of fasteners offers an extensive range of head styles in a low cost, pull through style rivet. Rivet heads include the CCR/CCMR274, “Universal”, CCR/CCMR264, 100° Flush, and the CCR/CCMR244, 100° Reduced Flush head (NAS 1097). Sleeve materials include C1018 steel or A-286 CRES stainless steel. Single action installation tools are all that is required to complete this low cost fastening system. Recommended installation tools include the G29 hand tool, which is sold complete with pulling head, or the G902/G902-15 lightweight power tool with pulling heads sold separately.

For additional information please refer to the supplied documentation or contact us.

CHERRY® AEROSPACE MAXIBOLT® Blind Bolts (also termed as rivets) are multi-piece assemblies, capable of being installed from one side of the workpiece. Typically used in higher strength aircraft structural areas they are offered as Maxibolt®,  Maxibolt® Plus and Titanium Maxibolt® Blind Bolts. They can be installed with the use of CHERRY® tools for a most reliable installation performance.

CHERRY® Maxibolt® Blind Bolts are supplied in alloy steel and A-286 CRES materials. They conform to MS90353/MS90354, and MS21140/MS21141 Standards, meet MIL-F-81177 and MIL-F-8975 requirements, and are listed in QPL81177 and QPL8975. Shear strength for the steel version is 112 KSI and  95 KSI for the A286 CRES version.  CHERRY® Maxibolt® Plus Blind Bolts are available in -5, -6, and -8 diameters and stainless steel, and titanium materials. One tool and pulling head installs all three diameters. Creating a larger blind side footprint, they provide excellent performance in thin sheet and non-metallic applications. The flush breaking stem eliminates shaving while the extended grip range accommodates different application thicknesses. CHERRY® Titanium Maxibolt® Blind Bolts feature expanded performance capabilities for metallic and composite blind fastening applications. They provide a flush, burr- free installation with no shaving required. The Titanium Maxibolt® bolts offer fast and consistent installation by utilizing single action tooling with a unique shift washer design. The all-titanium sleeve and stem are compatible with exotic composite materials. They cause no delamination of the exit side of the structure during installation, and offer a blind-side slope tolerance up to 7°.

For more information please refer to the supplied documentation or contact us.

Structural screws are made of alloy steel, are properly heat treated, and can be used as structural bolts. Those commonly used in aircraft applications are manufactured to aerospace/military standards/specifications. They are offered as part of our own branded (AVIATIONEU NEW ERA) product lines structured in different series based on the standard of their conformance. Some of the screws commonly used include NAS204 through NAS235 and AN509/AN525 series. 

MS24694 Series structural screws have a 100° countersunk Phillips head. They replace the respective AN509 series structural screws of materials and finishes. Minimum tensile strength for steel is 125,000 psi. They are fabricated from alloy steel and cadmium plated per specification QQ-P-416A, Type II, Class 3 or 300 Series Stainless Steel unplated designated by the letters "S" and "C" respectively in the product part number after MS24694 and before the size number.

Sourced from quality suppliers, AVIATIONEU NEW ERA MS24694 series structural screws are offered in different thread sizes and lengths in inches and sold in pieces or packs of specified number of screws designated after the letters "PK" in the product reference number (SKU). For more information, please refer to the individual product presentations, the supplied documentation or contact us.

Blind Rivets are multi-piece rivet assemblies, capable of being installed from one side of the workpiece.Traditionally, blind rivets were used on aircraft leading edges, trailing edges, and close out areas which are limited to access to one side of the structure.  Current blind rivet usage has expanded to many additional areas of the aircraft in an effort to decrease labor expense and to address the ergonomic issues of solid riveting.

The CherryLOCK® blind rivets by CHERRY® AEROSPACE come in below  mentioned types, and in different sizes, materials and strength levels. A complete range of recommended power tools, hand tools and pulling heads are also available.

CherryLOCK® ‘A’ Code “non-shift”, self-plugging blind rivets 

Single action, mechanically locked, wire-drawing fasteners providing excellent hole-fill and sheet take-up capability. They conform to the Procurement Specification NAS 1400 and Standards Pages NAS 1398 and NAS 1399.These rivets are offered in aluminum, monel and A-286 stainless steel materials in a wide variety of diameters and grip ranges. CherryLOCK® ‘A’ Code  "Wiredraw"  rivets are locked spindle flush fracturing structural rivets manufactured in 3/32", 1/8", 5/32", 3/16" and 1/4" diameters in 100° flush head and protruding head style configurations and offer grip ranges from .020 in the smaller diameters to 1.073 in the larger diameters. The 3/32" diameter rivet is available in A-286 only with grips ranging from .020 to .562. Rivets 1/8" diameter and larger have head markings to identify grip, material and manufacturer for ready inspection. The flush fracturing spindle eliminates the need for shaving and meets the flushness requirement of the NAS 1400 specification. These rivets are especially suited for sealing applications and joints requiring excellent sheet take-up and allow simple installation with a wide variety of Cherry® nonshifting and shifting tools. 

Both CherryLOCK® ‘A’ & Wiredraw Rivets rivets are designed to provide strong, reliable fastening solutions, but the choice between them may depend on specific application requirements, such as material compatibility, strength needs, and installation conditions. Both offer a wide grip range, making them versatile for different thicknesses.

Bulbed CherryLOCK® locked spindle and flush fracturing structural rivets

They consist a complete shear fastening system.  Their features can be utilized for optimum strength and performance in both thick and thin sheets. They provide the highest possible design integrity, particularly in double dimple or thin backside sheet applications. CherryLOCK® hydroshift installation tool systems are required for installation. They conform to Procurement Specification NAS1740 and Standards Pages NAS1738 and NAS1739.

For additional information on CherryLOCK® rivets and other blind rivets manufactured by CHERRY® AEROSPACE (separately listed) please refer to the supplied documentation and the Product Description section. 

Blind rivets (also commonly referred to as POP Rivets) are mainly used in applications where there is no access to the rear (blind side) of the joint. They are two-piece fasteners consisting of the rivet body (aka shell, or hat) and the stem or mandrel.They are not material specific and therefore they can be used to join two different material types together.They come in different materials, sizes, military or industrial standards, can be installed with the use of a riveting tool and cover a wide range of structural and non structural applications.

Non structural blind rivets are those designed for applications where the connection doesn't need to withstand significant load-bearing forces. They are offered by different  manufacturers under their respective brands, such as STANLEY® Engineered Fastening AVDEL® & POP®, and others but also as part of our own labelled (AVIATIONEU NEW ERA) product lines, sourced by quality suppliers and intended as cost-effective alternatives to OEM parts. Depending on the rivet, they are made of different materials such as steel, stainless steel,  alluminum alloys, or combinations, they can be supplied in different head styles, and inch or Metric (M) dimensions conforming to national and international standards such as DIN or ISO respectively (*). Sold in pieces but mostly in packs with the number of rivets per pack indicated in the product SKU after the letters "PK". Appearing sale prices are per unit of sale used each time. Depending on the selected rivet & prevailing stock conditions alternate part numbers of the same rivet may be supplied in lieu of the ordered, meeting or exceeding Standard specifications. For additional information on different products please refer to the Product Description section, the supplied documentation or contact us.

(*) Non structural blind rivets produced in accordance with the German DIN 7337 Standard or respective replacing ISO Standards (ISO 15983 for Protruding Head, and ISO 15977 for Flat/Countersunk Head blind rivets) are offered as part of AVIATIONEU NEW ERA product lines and separately listed.

AIRPRO INDUSTRY CORP. manufactures professional quality air tools, hand  & auto repair tools and accessories for professional applications under  the brand name AIRPROWU. AIRPROWU extensive product line ranges from aircraft tools to industrial, automotive/motorcycle ,tooling/molding, construction and auto body shop solutions and solutions for electronic assembly lines. AIRPROWU compression riveters include different models covering different capacity requirements for aluminum and steel. They come in different dimensions and are  offered with matching yokes to cover various application needs. Please refer to the specifications of individual compression riveters.

For over 60 years, CHERRY® AEROSPACE Installation Tools have been specified and used by aircraft manufacturers and repair facilities throughout the world. Each CHERRY® AEROSPACE fastening system is combined with a full range of tools to provide an overall systems approach that ensures optimum compatibility and consistent installation performance. Used worldwide, Their tools are are manufactured to provide maximum service with minimum care. They are offered in a wide variety of hand, pneumatic and pneumatic/hydraulic versions, with optional accessories to permit their use in difficult and limited access areas. The size and type of fastener being installed dictates the type of tool to be used. All installation tools are manufactured at CHERRY® AEROSPACE's plant in Santa Ana, CA, USA.and they are CE Certified.

For additional information please refer to the supplied documentation or contact us.

MS20604 and MS20605 Standard pull-thru rivets are unique blind rivets typically used in nut plate applications. MS20604 and MS20605 series blind rivets are superseded by those of NASM20604 and NASM20605 respectively.They are both non structural blind rivets with universal head (MS20604) or 100 deg. flush head (MS20605). These rivets are ideal in circumstances with very limited clearance while allowing for a secure set on both sides of the application. The symmetrical insertion allows for access and installation on either side while retaining its blind rivet capacity of one-sided installation. NASM/MS 20604 rivets come with a Universal Head, allowing for ease of installation while retaining strength and security. 

Sourced from quality manufacturers, NASM20604/MS20604 and NASM20605/MS20605 blind rivets are offered either as part of our own label (AVIATIONEU NEW ERA) product lines or as OEM parts of PCC CHERRY® AEROSPACE and other manufacturers (separately listed). They are available in different mil-spec approved materials, such as 2117-T4 grade Aluminum or 5056 Grade Aluminum, finishes and sizes. They are sold in packs of specified number of rivets per pack indicated after the letters "PK" in the product reference code (SKU).

HI-SHEAR Fasteners are patented fasteners of HI-SHEAR CORPORATION (Patent Holder), subsidiary of LISI AEROSPACE, a manufacturer of advanced aerospace fasteners and installation equipment used in space, military and commercial vehicles. Depending on the fastener, they are made by quality fastener manufacturers (licensees) in different  countries including but not limited to LISI AEROSPACE companies, HOWMET ALCOA / SIMMONDS / FAIRCHILD, PCC  SPS, and others. 

The HI-SHEAR rivet pin range offers a versatile solution for most of structural assemblies. They consist a very common type of threaded fastener used for clearance, transition and low interference fit throughout the airframe (metallic and composite), from wings to fuselage, in engine fairings, and more. Easily installed from one side, by one person with conventional tooling.

HI-SHEAR rivet pin product portfolio includes the original HI-LOK™ (HL™) system, the latest HI-LITE™ (HST™) pins with an improved recess and HI-TIGUE™ (HLT™) pins with improved fatigue benefits. They can be used in shear and/or tension applications on plain or sloped surfaces and feature controlled preload, a wide range of sizes and variety of materials and coatings for installation in all structures.

Most fasteners are mainly loaded in shear. That should be the only way for rivets as their tension capability is relatively low. Whenever there is a substantial tension load in a fastener, a threaded bolt should be used.

Additional information is available in Product Description section and the supplied documentation.

HOWMET® AEROSPACE Inc. (formerly ARCONIC Inc.) develops and manufactures high performance, engineered products and solutions for the aerospace, industrial gas turbine, commercial transportation and oil and gas markets. HOWMET® FASTENING SYSTEMS product range under different brands offers the greatest breadth and depth of fastening solutions available including self-locking nuts, quick-release fasteners, draw latches, threaded inserts, lock-bolts, and structural blind fasteners.

HOWMET FASTENING SYSTEMS structural blind fasteners and lockbolts (including those under HUCK® brand) are designed to provide permanent, vibration-resistant, superior-quality joining solutions for use in aerospace and industrial applications. Suited for applications where the joints are integral to the structure, they offer high tensile, shear & clamp properties.  For additional information please refer to the Product Description section and the supplied documentation. Installation tool systems (separately listed) are also offered.

AICRAFT TOOL SUPPLY (ATS) is a manufacturer of tools and hardware for the aviation industry. ATS offers an extensive range of aircraft countersink cutters and piloted aircraft stop countersink cutters (aka Micro-Stop cutters or Microstop Countersinks) used to make precision countersinks to accept flush-head fasteners.

Our offered ATS countersinks include:

HSS 1/4-28 male threaded 3 cutting flute pilot cutters,

HSS 1/4-28 male threaded, 1/2” diameter zero flute pilot cutters,

HSS 1/4-28 male threaded removable pilot cutters with solid carbide tip (require 1500P pilot),

Hollow cutters designed to cut away swagged or threaded collars from fasteners,

Respective offered ATS Microstops include:

133-HD heavy duty Microstop Countersink with ball bearings for ultra smooth operation. The ball bearing design also makes it run much cooler than a standard microstop,

133-Mini Microstop Countersink for use  in tight areas that can’t be reached by a standard cage. 

133-Slim Microstop Countersink packing all the features of a standard microstop in a slim design of only 11/16” in diameter. 

 Complete kit is a great package deal featuring our 133

133 Microstop Countersink Kit which includes the Microstop and 4 pilot cutters (1000-100 series) in sizes #40, #30, #21, and #12. The kit is also offered with the countersink only.

For additional information please consult the supplied documentation or contact us.

The MS21141 Series of blind fasteners are high srength pull type protruding head blind bolts (or otherwise termed as rivets) made of corrosion resisting steel (typically A286 stainless steel) with a 95 KSI shear strength. These fasteners are produced by different manufacturers and sold uder their respective brands and part numbers. Indicative examples include PCC CHERRY AEROSPACE CR7621 Series of Maxibolt® Blind Bolts or  HOWMET AEROSPACE Unimatic® UBP-EU Blind Bolt Fasteners. These blind bolts are offered in different nominal diameter sizes & corresponding grip ranges in inches, passivated or cadmium plated and with or without lubrication. They can be installed with the use of single action tools and they are supplied either as OEM part numbers of their respective manufacturer or MS21141 Standard part numbers under our own branded (AVIATIONEU NEW ERA) product lines. In the case of OEM parts, these are listed separately. Sold in pieces or packs where the specified number of fasteners per pack is indicated after the letters "PK" in the product reference number (SKU). 

Depending on the selected size & stock conditions alternate part numbers of the same fastener may be supplied in lieu of the ordered, meeting or exceeding Standard specifications. 

For more information please refer to the attached documentation or contact us.

ATS Pro-X rivet guns offer unmatched controllability when setting rivets of any type or size. They are used in aircraft manufacturing plants such as Boeing and Lockheed-Martin. With the improved variable power control, proper riveting can be accomplished with confidence.  Different models serve specification requirements (see attached table). 1/8" Aluminum (3/32" Steel) Rivet Capacity. These guns accept all .401 shank rivet sets and attachments. Non-slip Powder Coat Finish. 1/4" NPT Inlet. Lifetime ATS-Pro Warranty.

HI-SHEAR Fasteners are patented fasteners of HI-SHEAR CORPORATION (Patent Holder), subsidiary of LISI AEROSPACE, a manufacturer of advanced aerospace fasteners and installation equipment used in space, military and commercial vehicles. Depending on the fastener, they are made by quality fastener manufacturers (licensees) in different  countries including but not limited to LISI AEROSPACE companies, HOWMET ALCOA / SIMMONDS / FAIRCHILD, PCC  SPS, and others. 

HI-SHEAR nuts and collars are designed to fit with their related HI-LOK™/HI-TIGUE™ and HI-LITE™ pins  (separately presented) forming the respective fastener system. HI-LOK™ nuts and collars are designed to fit HI-LOK™ & HI-TIGUE™ pins. HI-LITE™ nuts and collars are designed to fit HI-LITE™, PULL-IN™, PULL-STEM™ & TAPER HI-LITE™ pins.

With a wide range of shapes, materials and coatings, they are suited for most of structural assemblies and are commonly used in the aerospace industry in tension and shear applications. Collars’ wrenching element is designed to break-away at a controlled preload. It has been tested over time and has proven its reliability when installed with non-torque-controlled tools. Main features of nuts and collars include:

- controlled preload

- wide variety of materials and coatings for installation in all structures

- suitable for shear or tension applications, with captive washer, self-aligning or self-sealing options

- limited access installation, using conventional tooling

- designed with a counterbore to fit nominal and oversized pins

- nuts allow customized torque and preload & low height design for low access areas

Please refer to the supplied documentation for additional information.

ATI® TOOLS 107A series flush straight drive rivets are manufactured from S2 high-grade shock-resistant steel and machined in accordance with MIL-STD GGG-R-425. Large radii at critical points enable these rivets to withstand continuous rugged use.They are slightly crowned with a highly polished face designed for rapid flush riveting where a smooth skin surface is essential and feature large radii at critical points to prevent breakage, protection with plastic coating to prevent damage during shipment and storage, blended radius between cup and chamfer with no sharp edges, which coin or mar skin, highly polished precision cup, free of machine marks and ridges and chamfered corners. Shank diameter 0.401".  Different sizes are available serve specification requirements for face diameters and lengths.

RAPCO produces quality FAA-PMA approved replacement organic and metallic brake linings for Cleveland and McCauley brake assemblies on most general aviation aircraft. Organic linings are actually made from a semi metallic mix. RAPCO combines brass, copper and Kevlar fibers with a high temperature binding compound to provide outstanding performance and long service life. Most RAPCO organic linings have a built in wear indicator, which reduces the risk of damage to the brake disc and helps to optimize lining life. RAPCO organic linings are available in boxes of 10 or in organic lining kits containing the proper number of linings and rivets necessary for replacement on Cleveland or McCauley brake assemblies. They are convenient to have on hand when the need for relining occurs. Metallic lining replacements for the Cleveland brake assemblies are made of sintered steel, a specially developed process that fuses metallic particles to a steel carrier plate. RAPCO metallic linings offer long life and excellent braking performance.

RAPCO Brake Rivets are FAA-PMA approved quality tubular rivets produced from plated steel for mounting aircraft brake linings. The RAPCO RA825 Rivet Tool Kit is recommended for proper installation.

Please refer to the attached Application Guide for additional information.

Solid shank rivets are relatively low-cost,  permanently installed fasteners used as structural parts in aircraft and other applications where reliability and safety consist a priority.  These rivets are produced in accordance with military and other international standards such as US Army-Navy (AN) standard and Mil-Spec (MS) that followed. AN426/MS20426 and AN470/MS20470 Series rivets are solid aluminum rivets with countersunk head or universal head respectively. Sourced from quality suppliers they are offered as part of our own labelled (AVIATIONEU NEW ERA) product lines. They are  available in different diameters and lengths and sold by the pound (lb). Those designated by the letter "A" in their part numbers are "soft" rivets fabricated from 1100-grade aluminum with a tensile strength of 16,000 PSI while rivets designated by the letters "AD" are fabricated from 2117 aluminum and heat treated to the T4 condition. They have a shear strength of 26,000 PSI and a tensile strength of 38,000 PSI. For additional information please refer to the article on an overview of our fasteners, other supplied documentation, the individual product presentations or contact us.

CHERRY® AEROSPACE MBC® Blind Fastening System  is one of the industry’s simplest and most versatile riveting systems available today. These fasteners are offered as standard MBC® rivets, simple, two-piece assemblies comprised of a MBC® rivet sleeve and a stem with an integral locking feature and as MBC® Lock Creator rivets (MBC®-L/C), same as the standard MBC® rivets with the addition of a lock creator anvil. This additional component simplifies installation of the fastener by allowing a single nose tip for installing the three available diameters, as in the CherryMAX® type rivets. Whether standard MBC® or MBC®-L/C rivets are used, each rivet comes complete as a single-piece assembly, ready for installation. CHERRY® AEROSPACE MBC® Blind Rivets are offered in aluminum and stainless steel versions and in different finishes. Both the aluminum and stainless steel series MBC® rivets are available in 1/8" (3.2mm), 5/32" (4.0mm) and 3/16" (4.8mm) diameters, with flush, reduced flush or protruding rivet head styles. Respective information is designated in their part numbers by respective codes as follows:

CHERRY® MBC® Blind Rivet PN Structure NAS17 (NAS Number) (Head Style) (Material Code) (Rivet Diameter) L (Grip Size) (Finish Code)

NAS Number  (19, 20 or 21)

Head Style

Material Codes: C - CRES Stainless Steel, H - 2014A Aluminum

Rivet Diameters: -4 (.125), -5 (.156) -6 (.188)

L indicates Lock Creator, Dash (-)indicates Standard

Grip Sizes: NAS Grip sizes are correlated with respective CHERRY® AEROSPACE Grip Numbers (please consult the supplied documentation).

Finish Codes: A Clear Anodize per SAE AMS-A-8625, F Chemical Film per SAE AMS-C-5541, Passivation per AMS 2700, W Cadmium Plate AMS QQ-P-416, N Natural Finish

Sold in pieces but mostly in packs where the specified number of rivets per pack is indicated after the letters "PK" in the product reference number (SKU). Appearing prices are always for the units of measurement used each time.

Solid shank rivets are relatively low-cost,  permanently installed fasteners used as structural parts in aircraft and other applications where reliability and safety consist a priority.  These rivets are produced in accordance with military and other international standards such as US Army-Navy (AN) standard and Mil-Spec (MS) that followed. AN426/MS20426 and AN470/MS20470 Series rivets are solid aluminum rivets with countersunk head or universal head respectively. Sourced from quality suppliers they are offered as part of our own labelled (AVIATIONEU NEW ERA) product lines. They are  available in different diameters and lengths and sold by the pound (lb). Those designated by the letter "A" in their part numbers are "soft" rivets fabricated from 1100-grade aluminum with a tensile strength of 16,000 PSI while rivets designated by the letters "AD" are fabricated from 2117 aluminum and heat treated to the T4 condition. They have a shear strength of 26,000 PSI and a tensile strength of 38,000 PSI. For additional information please refer to the article on an overview of our fasteners, other supplied documentation, the individual product presentations or contact us.