Type | Size | manfacturting | Material | standard | Surface |
brad/wood working drill | 3-13 | roll forged | C45 heat treatment | DIN338 | black oxide,bright |
1/8-1/2 | edge ground | ||||
special | fully ground | ||||
wood working drill
rool forged&edge ground
C45 material & heat treatment
black flute and bright body
Payment Terms: | L/C,D/P,T/T |
Port: | shanghai/ningbo |
Overview of Hybrid Drill Bit Hybrid drill bits are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone crush the rock by impact crushing, forming broken pits at the bottom of the well, and making the bottom of the well uneven. It can ...
Come From Cangzhou Great Drill Bits Co.,Ltd.
Overview of Hybrid Drill Bit Hybrid bits are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone crush the rock by impact crushing, forming broken pits at the bottom of the well, and making the bottom of the well uneven. It can ...
Come From Cangzhou Great Drill Bits Co.,Ltd.
Overview of Hybrid Drill Bit Hybrid bit are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone crush the rock by impact crushing, forming broken pits at the bottom of the well, and making the bottom of the well uneven. It can weaken ...
Come From Cangzhou Great Drill Bits Co.,Ltd.