China Hjg Reverse Circulation Drill Bit, Find details about China Dth Bit, Drilling Tool from Hjg Reverse Circulation Drill Bit
Diameter | No x button dia mm | Button angle | Flushing holes | Weight (kg) | Part No | ||
mm | inch | Gauge Buttons | Front Buttons | ||||
105 | 4 1/8 | 8x14 | 7x12 | 38 | 2 | 7.6 | HD45-105 |
110 | 4 1/3 | 8x14 | 7x12 | 38 | 2 | 7.8 | HD45-110 |
115 | 4 1/2 | 8x14 | 7x13 | 38 | 2 | 8.2 | HD45-115 |
120 | 4 3/4 | 8x14 | 8x13 | 38 | 2 | 8.7 | HD45-120 |
125 | 4 8/9 | 8x14 | 10x13 | 38 | 2 | 8.9 | HD45-125 |
130 | 5 1/8 | 8x16 | 8x14 | 38 | 2 | 9.4 | HD45-130 |