M12 X 40 A2 CUP SQUARE BOLT

An A2 Stainless Steel Cup Square Bolt and Nut. It has a domed head with a square anti spin shoulder mainly used for clamping timber or attaching ironmongery to timber.

Diameter:  M12
Pitch:  1.75mm
Length:  40mm
Thread Length:  31.25mm
Head Diameter:  30.65mm
Head Thickness:  6.95mm
Square Size (A/F):  12.70mm
Square Thickness:  8.75mm

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