Stainless steel 1.4308 (AISI 304 equivalent).
Grub screw stainless steel 1.4305 (AISI 303 equivalent).

Ground and polished or blasted.
Grub screw and pin bright.

For the inch series, dimension D is in inches, all other dimensions are in mm.

Form B: drilled through
Form C: blind hole
Form D: tapped and counterbored
Form E: tapped blind hole
Form L: external thread