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Socket screw, hex, button head, plain, GR 12.9, BSW, 6.35 x 12.7 mm, 20 TPI, Fastbolt.
Brand: Fastbolt
Your order will be fulfilled from your branch. For surplus stock from
Central Distribution, please allow seven (7) working days from delivery.


A button head socket cap screw is a type of cap screw with a cylindrical head and hexagonal drive hole. A button head socket cap screw is most commonly driven with an allen wrench or hex key.

Product properties
Brand Fastbolt
Category Button Head
Outside Diameter (mm) 6.35
Length (mm) 12.7
Grade 12.9
Material High Tensile
Series Imperial
Thread Type BSW
Type Button Head
Surface Finish Plain
TPI 20.0