2-8 Gray Cast Iron(GG)
Gray Cast Iron（GG）
Straight Flute for Through Holes
Form C: 2~3 chamfering or
Tolerance: ISO 2-6HX
Nitride Surface or
Dry Tapping by TialN coating
Straight Flute for Through Holes
Form C: 2~3 chamfering or
Tolerance: ISO 2-6HX
Nitride Surface or
Dry Tapping by TialN coating
Best Art. No. in normal stock: DIN 371: 4058/06
DIN376: 6008/06
Other Art. No. for Best recommendation:
DIN371: Dry Tapping: 4358, Internal Coolant: B4358, Carbide: 4558
DIN376: Dry Tapping: 6308, Internal Coolant: B6308，
*Please refer to BOSS DIN CATALOGUE for Specification and Technical Data*
