Verified Company
Zhengzhou Yukun Machinery Equipment Co., Ltd.
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Specification of 89mm drill bit for metal
1. High quality drilling holes, fast drilling speed, no need regrinding and high working efficiency
2. Skirts of drill bit for metal through heat treatment, close-tolerance forging, super hardness and not easy to break, service life get above 50%
3. Our drill bit for metal use the core technology over 30 years
4. 89mm drill bit for metal can be used for rock drilling, blasting holes, building highways and other drilling works
Feature of 89mm drill bit for metal
1. Type: 89mm drill bit for metal
2. Diameter: 89mm
3. Bit design: Flat, flat retrac, drop center, drop center retrac
4. Thread diameter: 32, 38, 45, 51mm
5. Package: in wooden case or in carton
6. Productivity: 20000pcs/ month
Our advantage
1. Suitable choice of raw material advanced processing technology and perfect quality warranty.
2. With hardened treatment, drilling life can be extended and then cost can be reduced
Parameter of 89mm drill bit for metal
Material of 89mm drill bit for metal
Item | Material |
T45 thread button bits | 45CrNiMo1V |
T45 thread button bits alloy head | Yk05 |
Mf rod | 22 CrNi3Mo |
Bench drill rod | 22 CrNi3Mo |
Shank adapter | 30CrNi4Mo and 18 CrNi3Mo |
Pneumatic picks tools | T10 |
Extension rod | 35SiMnMo |
Small hole drilling tools | 55SiMnMo and 95 CrMo |
Quick details
All thread bits are available in various flushing hole configuration. In general, the rule is that Semi-spherical type bit design are applied to very hard rock. Ballistic type to medium hard and Conical type to soft rocks.
Bit design | Brief Introduction |
Drop center |
Perfect in abrasive formations where there is accelerated button wear or in medium to hard rock when ballistic buttons have tendency to break.
|
Drop center/retrac |
To be used in medium-hard and fissured rock formations, better hole deviation control.
|
Flat front
|
Ideal for medium hard rock when the rock formation causes heavy gauge wear on the bit. Can also used in very hard and abrasive rock formations.
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Pictures of 89mm drill bit for metal