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Fastener Reference Guides

General Fastener Reference Guides
Bolt Technical Information Guides
Nut Technical Information Guides
Screw Technical Information Guides
Washer Technical Information Guides
Pins Technical Information Guides

General Fastener Reference Guides

Bolt Torque Charts

There are many variables in the torque-tension relationship. Therefore, these suggested torque calculations are estimates and offered as a guide only.
Thread Pitch Chart

Thread pitch is the distance between threads expressed in mm. Here you will find pitch/diameter combinations for UNC, UNF and 8UN Thread Series.
Screw Point Types

An illustrated guide to Sheet Metal Tapping Screws (Type A, AB & B), Thread Cutting Screws (Type 1, 17, 23, 25 & F), and Thread Forming Screws (Type C, CA, PT Trilobular & Hi-Lo).
Fastener Thread Terminology

A handy reference guide defining various fastener thread terms and classes of thread.
Drive & Head Styles

A guide to help distinguish between different types of drive styles and head styles.
Material Specifications

Provides a general overview of the common material specs.
Nut Compatibility

Provides a general overview of the nuts suitable for certain grades of bolts.
Rivets Part # Cross Reference Charts

Provides a part number cross reference chart for blind rivets, rivet washers and rivet nuts.
Bolt Grade Markings & Strength Chart

Helps to identify grades of bolts along with proving proof load, tensile strength, yield strength and hardness.
Allen Wrench Size Chart & Conversion Table

Provides dimensions for Imperial and Metric Allen Wrenches; long arm and short arm.
Threads Per Inch Chart

Provides threads per inch on standard inch coarse and fine thread fasteners.
Metric Thread Pitch Chart

Provides thread pitch for metric fasteners including coarse and fine threads.

Bolt Technical Information Guides

Nut Technical Information Guides

Screw Technical Information Guides

Washer Technical Information Guides

Pins & Hose Clamps Reference Guides