1-9 Nodular, Malleable & Vermicular Cast Iron，（GGG）
Nodular, Malleable(GGG, GT)and Vermicular(GGV, GJV, GGI) Cast Iron
Straight Flute or 40 degree Spiral
Both for Blind Holes
Form C: 2~3 chamfering or
Form E:1.5~2 chamfering.
Tolerance: ISO 2-6HX
Dry Tapping by TialN coating
Straight Flute or 40 degree Spiral
Both for Blind Holes
Form C: 2~3 chamfering or
Form E:1.5~2 chamfering.
Tolerance: ISO 2-6HX
Dry Tapping by TialN coating
Best Art. No. in normal stock: DIN 371: 4358
DIN376: 6308
Other Art. No. for Best recommendation:
DIN371: Dry Tapping: 4340, 4359, Internal Coolant: B4358, B4340, Form E: 4359
DIN376: Dry Tapping: 6340, 6309, Internal Coolant: B6308, B6340, Form E: 6309
