1-1 Steels < HRC22
Unalloyed Steels, Tensile Strength 800N/mm2(about HRC22)
Green Ring
40 degree spiral flute for Blind Holes
Form C: 2~3 chamfering.
Tolerance: ISO1-4H/5H, ISO 2-6H, ISO-6G, Oversize-7G
Bright Surface
Green Ring
40 degree spiral flute for Blind Holes
Form C: 2~3 chamfering.
Tolerance: ISO1-4H/5H, ISO 2-6H, ISO-6G, Oversize-7G
Bright Surface
Best
Art. No. in normal stock:
DIN 371: 4345 DIN376:
6345,
JIS
B0251/5: 4345/JS & 6345/JS
Other
Art. No. for Best recommendation:
DIN371: 4255, 4040, 4045
DIN376: 6055, 6040, 6045
