1-2 Steels < HRC32
Unalloyed and Alloyed Steels; Tensile Strength 1000N/mm2(about HRC32)
Blue or 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
Steam Tempered Surface(also called VAP in Germany)
Blue or 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
Steam Tempered Surface(also called VAP in Germany)
Best Art. No. in normal stock: DIN 371: 4045/78
DIN376: 6045/78,
JIS B0251/5: 4345/78/JS & 6345/78/JS
Other Art. No. for Best recommendation: DIN371: 4040/78, 4045/80
DIN376: 6040/78, 6045/80
