Home / Button, Round and Pan Screws UNF

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Button, Round and Pan Screws UNF

These screws have lower and rounded head shapes in comparison to the socket head cap screws. They also have wider diameter heads, which grip and protect the surface better. Pan head bolts will have lower and wider profiles to the button and round heads.

< 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.
BZP	Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance.
MZP	Mechanically Plated Zinc Steel - Mechanically applied zinc plating, useful to help prevent hydrogen embrittlement.

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UNF Socket Head Button Screws ASME B18. 3-2003 in A2 Stainless Steel

UNF Socket Head Button Screws ASME B18. 3-2003 in A2 Stainless Steel

A popular and attractive socket head screw, typically used where aesthetics are important, or where a lower profile domed finish is required. The hex drive is generally smaller than other hex driven ranges and thus the ultimate tightening torque is reduced. Manufactured to ASME/ANSI B18.3, and always fully threaded.

BZP

MZP

10-32

5/16

UNF Phillips Pan Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

image chamfer for UNF Phillips Pan Head Machine Screws ASME B18.6.3

UNF Phillips Pan Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

A Machine screw with a phillips drive, designed to be tightened with a screwdriver. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Conforms with ASME B18. 6.3.

3-56

10-32

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