We are the professional manufacturer and exporter of Rock Drilling Tools,Mining Tools;button drill bits, cross drill bits
Port: ningbo
Minimum Order Quantity: 1000 Pint/Pints
Supply Ability: 10000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
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Threaded/Tapered (taper 7, 12degree) chisel/cross bits are mostly used for hand-held rock drill. We make them by alloy steel by forging and select suitable tungsten carbide insert as per customers requests in accordance with their local rock conditions,such as for, limestone, marble, granite etc.
Detailed Product Description
Bit diameter | Carbide tip | Taper | Water hole | |
| mm | in | thick x hight | ||
| 20 | 25/32" | 6 x 12 | 4° | 2 |
| 22 | 55/64" | 6 x 12 | 4° | 2 |
| 24 | 15/16" | 810 x 13.515 | 4° | 2 |
| 26 | 1 1/32" | 810 x 13.515 | 4° | 2 |
| 28 | 1 7/64" | 810 x 13.515 | 6° | 2 |
| 30 | 1 3/16" | 810 x 13.515 | 7° | 2 |
| 32 | 1 17/64" | 810 x 13.515 | 7° | 2 |
| 34 | 1 11/32" | 810 x 13.515 | 7° | 2 |
| 36 | 1 27/64" | 810 x 13.515 | 7° | 2 |
| 38 | 1 1/2" | 810 x 13.518 | 7° | 2 |
| 40 | 1 37/64" | 810 x 13.518 | 7° | 2 |
| 42 | 1 21/32" | 810 x 13.518 | 7° | 2 |
| 50 | 1 31/32" | 810 x 13.518 | 7° | 2 |
| 56 | 2 13/64" | 810 x 13.518 | 7° | 2 |
| 60 | 2 23/64" | 810 x 13.518 | 7° | 2 |
Model No.: FJT537G
Features: 1.Specification:9 1/2'' 241.3mm
2.IADC:537
3.material:tungsten carbide
4.WOB:0.35~1.07 KN/mm
5.sealing:metal or rubber
Model No.: drill bit
Features: 1)PDC drill bit for oil drilling bit (passed CE)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1piec
Model No.:
Features: HSS twist drill bits
High efficiency
MOQ:10 units
Certificate :ISO:9001:2000CE
Machine Type:Drilling Machine
Model No.: FJT517G
Features: 1.Specification:12 1/4'' 311.2mm
2.IADC:517
3.material:high manganese steel
4.WOB:0.35~1.05 KN/mm
5.sealing:metal or rubber
Model No.: drill bit
Features: 1)PDC drill bit for oil drilling bit (passed CE)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1piec
Model No.:
Features: HSS twist drill bits
Brand name:Chengxin Brand
MOQ:10 units
Certificate :ISO:9001:2000CE
Machine Type:Drilling Machine
Model No.: FJT127
Features: 1.Specification:12 1/4'' 215.9mm
2.IADC:127
3.material:high manganese steel
4.WOB:0.35~1.05 KN/mm
5.sealing:metal or rubber
Model No.:
Features: HSS twist drill bits
Brand name :Chengxin Brand
MOQ:10 units
Certificate :ISO:9001:2000CE
Machine Type:Drilling Machine
Model No.: FJ517G
Features: 1.Specification:8 1/2'' 215.9mm
2.IADC:517
3.material:high manganese steel
4.WOB:0.35~1.05 KN/mm
5.sealing:metal or rubber
Model No.: PDC non-coring drill bit,3,4,5,6w...
Features: 1.PDC non-coring bit Manufacturer
2.PDC non-coring bit with top grade PDC cutter
3.PDC non-coring bit,3,4,5,6 wing available
Model No.: NQ,HQ,PQ,T2,T6 etc
Features: Wireline NQ core barrel,HQ core barrel,T2-76 core barrel,T2-101 core barrel,T6-131 core barrel,HWF/PWF/SWF/UWF core barrel
Model No.: PDC bit MQZ series
Features: Oil bit/PDC Petroleum drill bit
1.certified by ISO9001 and API
2.size from 5"~17"with diamond
4.skillful welding technology