Gr.5 Zinc Plated Steel UNF Nuts

The Westfield Fasteners range of UNF Nuts is presented below. These are designed to be used in conjunction with the equivalent sized UNF bolts, screws and washers. Care must be taken when selecting the correct nut to purchase, as we also offer coarse pitch variants. In grades A2, A4 and Zinc Plated hardened steel.

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UNF Bolts

Imperial Washers

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	Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance.
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 Full Hex Nuts ASME B18.2.2 in Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel

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UNF Full Hex Nuts ASME B18.2.2 in Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel

Hexagon full nut to ASME B18.6.3. Typically fitted with a spanner or ratchet with socket. The most popular nut type, and used for decades on all types of assembly throughout the world.

BZP-G5

5/16

7/16

9/16

1-1/8

1-1/4

1-1/2

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