Types

Type A: with tapped hole d₃

in the centre, with two countersunk holes

for socket head cap screws

Type B: with bore d₄ in the centre,

with two countersunk holes

for socket head cap screws

Type C: with tapped hole d₃

in the centre, with two tapped mounting holes

Type D: with bore d₄ in the centre,

with two tapped mounting holes

Type E: without bores

blank, not hardened

Version in Sintered Steel (Distaloy AB) ST

hardened, black oxidised with vapor

Version in Stainless Steel (Sintered Steel) NI

AISI 316L