
■ Suitable for hard and abrasive materials such
Coating <2D as cast irons. Considering comparatively
quick wear, GGST G is properly oversized. Recommended Tapping Speeds depending on Materials Cast irons Ductile cast irons 5 鋳鉄20 5強靱鋳鉄20
(m/min) ( m/ min)
Segment:1H
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | TYPE |
| For | G Thre | ads | |||||||||
| G 1/8-28 | - | 3104130004 | C(2.5P) | 90 | 19 | 46 | 7 | 5.5 | 8 | 4 | 1 |
| G 1/4-19 | - | 3104130006 | C(2.5P) | 100 | 21 | 51 | 11 | 9 | 12 | 4 | 1 |
| G 3/8-19 | - | 3104130008 | C(2.5P) | 100 | 21 | 51 | 12 | 9 | 12 | 4 | 1 |
| G 1/2-14 | - | 3104130009 | C(2.5P) | 125 | 24 | 64 | 16 | 12 | 15 | 4 | 1 |
| G 3/4-14 | - | 3104130011 | C(2.5P) | 140 | 27 | 71 | 20 | 16 | 19 | 4 | 1 |
| G 1 -11 | - | 3104130013 | C(2.5P) | 160 | 29 | 82 | 25 | 20 | 23 | 4 | 1 |