Stainless Steel Hexagon Head Set Screws

All of our Stainless Steel fasteners come in two grades of stainless, A2 and A4

A2 grade has excellent resistance to atmospheric corrosion except in severe industrial or marine conditions

A4 grade has a higher corrosion resistance than A2. Suitable for marine conditions

"Marine Grade" is often quoted - but you should always check. A4 grade is the true Marine Grade Stainless Steel

We provide both grades, and each item in the shop carries detailed measurements: For example:

M3 * 40mm Hex Set Screw - A2 Grade

e - 6.01 mm (min)

k - 2.1  mm (max)

s - 5.5 mm

l - 40 mm

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