They serve as a gripping, fastening and fixing element
Stainless steel 1.4308.
Grub screw stainless steel 1.4305.
Pin stainless steel 1.4310.
Ground and polished or blasted.
Grub screw and pin bright.
Form B: drilled through
Form C: blind hole
Form D: tapped and counterbored
Form E: tapped blind hole
Form L: external thread
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