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Hex Bolts UNF

Hex head bolts are tightened with a spanner, a ratchet or a socket. The structure of a hex head bolt allows for a greater torque load to be applied to the joint over most other drive types. Hex head bolts are probably the most common type of threaded fastener and are available in many types of material and strengths for different applications.

< All UNF Nuts & Bolts

Fastener Material Key
A2	A2 Stainless Steel- Also known as grade 304 or 18/8. A general purpose grade of stainless steel.
A4	A4 Stainless Steel - Also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
BZP-G5	Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel - Equivalent to ISO class 8, a general purpose high tensile grade with a basic level of corrosion resistance.

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UNF Hex Head Setscrews ASME B18.2.1 in A2 Stainless Steel

image chamfer for UNF Hex Head Setscrews ASME B18.2.1

UNF Hex Head Setscrews ASME B18.2.1 in A2 Stainless Steel

Commonly referred to as a setscrew and longer versions are referred to in the United States as a tap bolt. A standard spanner or ratchet is typically used to fit this product. Used for decades on all types of assembly throughout the world. The hex drive allows a higher torque to be applied. Produced to ASME B18.2.1.

BZP-G5

10-32

5/16

7/16

9/16

UNF Hex Head Bolts ASME B18. 2.1 in A2 Stainless Steel

image chamfer for UNF Hex Head Bolts ASME B18. 2.1

UNF Hex Head Bolts ASME B18. 2.1 in A2 Stainless Steel

The most common type of fastener, a hex head bolt is designed to be tightened with a standard spanner or ratchet and socket. Popularly used in all assemblies, a standard hex bolt is a staple across the world. Manufactured to ASME B18. 2.1, and includes an unthreaded 'shoulder' or portion of the shank. A hex drive permits a greater torque load to be applied to the joint over most other drive types.

BZP-G5

5/16

7/16

9/16

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