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Mechanical Components

Nut Manufacturers - Bolt Manufacturers




This is a listing of Fastener Manufacturers, Bolt Manufacturers, Screw Manufacturers, Nut Manufacturers and Vendors.
Spacers and Standoffs are listed on their own page.
The types of products or devices the companies produce are listed under the company name, in alphabetic order.





Component Manufacturers
Handle Manufacturers, and vendors.
Chassis Ground Lugs.
Captive Screw Manufacturers.

Accurate Screw Machine"ASM" {Bushings, Captive Screws, Handles/Ferrules, Locking Fasteners, Nuts, Panel Screw Retainers, Screws, Spacers, Springs, Standoffs, Washers}

ACS Manufacturing,Inc {Formed Spring Steel Fasteners, J-Nuts, U-Nuts, U-Clips, Twin Nuts & Flat Nuts}

Alcoa Inc. {Fasteners, Hex Bolts}

Allmetal Screw Products Corp. {Military Specifications: AN MS NAS Fasteners. Commercial Fasteners}

Amatom Electronic Hardware {Standoffs, Spacers, Captive, Handles, Washers, Bushings}

Anchor Bolt and Screw Co. {Screw and Bolt Manufacturer}

Applied Bolting Technology Products, Inc. {Direct tension indicating (DTI) washers}

Arsh Industries {Industrial fastener; Bolts, CSK Machine Screws, Nuts, Hex Structural}

Boker's Inc. {Washers-spacers}

Craftech Industries, Inc. {Plastic Screws, Fasteners, Components}

Fabsco Corp. {Anchor Bolts - Sag Rods - Brace Rods}

H.A. Guden Co., Inc. {Hinges - Supports - Latches}

ITW Fastex {Plastic fastener manufacturer }

Lyn-Tron Inc. {Connector Hardware, Screws, Nuts, Spacers, Standoffs}

Marksmen Manufacturing Corp. {Wedge anchors and precision screw machine parts}

The Monadnock Co. {Clip-On Nuts, Insulation Fasteners, Hold Down Devices, Spacers, Standoffs, Self-Aligning Washers, Barrel Nut Retainers, Rivets}

North East Fasteners {Small and miniature screws}

PennEngineering {Fastening solutions}

Portland Bolt and Mfg. {Bolts, Nuts, Washers}

Promptus Electronic Hardware {Handles, Security Screws, Spacers, Standoffs, Panel Screws}

RAF Electronic Hardware {Nuts, Bolt Manufacturer}

Richco {Spacers and Stand-offs}

W.M. Berg {Gears-Bearings-Bushings-Wheels-Reducers-O rings-Springs...}


Hex nut and washer drawing

Diameter, 0.25. Threads per inch, 28. United Fine [UNS]. Tolerance, 2B.





Machine Bolt: An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards.

Fastener Screw: A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items.

MIL-HDBK-131A - Identification Marking for Fasteners

Specifications [Specs]:
AN; Army Navy, {or Air Force Navy}
NAS; National Aerospace Standard
NASM; National Aerospace Standard (Metric)
MS; Military Standard
FED-STD-H28; Screw-Thread Standards for Federal Services
UNS; United Thread Standard

Location of important bolt dimensions

Bolt Head Dimensions {Unified Engineering, Inc.}
Nuts and Bolts Info and Programs {Bolt Science}
AIRCRAFT HARDWARE What You Need To Know {Ron Alexander}

A listing of Bolt manufacturers and Vendors. The types of products or devices the vendors produce are listed under the company name, in alphabetic order.
Additional component manufacturers may be found by selecting the Components icon below, or Equipment manufacturers may be found by selecting the OEM Equipment icon.


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Modified 1/15/12
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