1)15 year's experience in drill bit
2)certificate:ISO9001:2000
3)delivery in time
4)long life time
5) MOQ:1 piece
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 400 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden case or wooden case and /or as your requirement
Delivery Detail: within 7 days
About us
Heijian Baoxing Petroleum Machinery Co.Ltd and 15 year's experience in drill bit
All our products have passed ISO9001 certification
With the business philosophy of "high quality goods, create the brand, struggle for first-class" we assure our products of the best quality by adopting advanced design technology, manufacturing process and strict quality control
TCI Bits size and API connecting thread
TCI Bits size | API connecting thread | weight (kg) | |
| in | mm | ||
| 3 1/2 | 88.9 | 2 3/8 | 5.0 |
| 4 5/8 | 117.5 | 2 7/8 | 6.5 |
| 4 3/4 | 120.3 | 2 7/8 | 7.0 |
| 5 1/2 | 139.7 | 3 1/2 | 17.0 |
| 5 7/8 | 149.2 | 3 1/2 | 18.0 |
| 6 | 152.4 | 3 1/2 | 19.5 |
| 6 1/4 | 158.8 | 3 1/2 | 19.5 |
| 6 1/2 | 165.1 | 3 1/2 | 19.5 |
| 6 3/4 | 171.4 | 4 1/2 | 21.0 |
| 7 1/2 | 190.5 | 4 1/2 | 28.0 |
| 7 7/8 | 200.0 | 4 1/2 | 29.5 |
| 8 1/4 | 209.6 | 4 1/2 | 38.0 |
| 8 3/8 | 212.7 | 4 1/2 | 38.0 |
| 8 1/2 | 215.9 | 4 1/2 | 38.0 |
| 8 3/4 | 222.2 | 4 1/2 | 40.0 |
| Type | picture | Ln. | Mm |
| FJT127 | 8 1/2 | 215.9 | |
| FAT127 | 8 1/2 | 215.9 | |
| FA127 | 8 1/2 | 215.9 |
Model No.: Type K20
Features: 1.good quality
2.low price
3.long lifetime
4.short delivery
5.more than 10 years experience
Model No.: Type K10
Features: 1.good quality
2.low price
3.long lifetime
4.short delivery
5.more than 10 years experience
Model No.: HA117
Features: 1.Specification:6 1/4'' 158.8mm
2.IADC:117
3.material:high manganese steel
4.WOB:0.35~0.90 KN/mm
5.sealing:rubber rings
Model No.: special size
Features: 1.long lifetime
2.workable price
3.quick delivery
4.good quality
5.more than ten years experience
Model No.: Type K0
Features: 1.good quality
2.low price
3.long lifetime
4.short delivery
5.more than 10 years experience
Model No.: All types
Features: OEM diamond core bit
impregnated/surface-set diamond core bit
ISO9001 diamond core bit
diamond bit good feedback
NQ,HQ3 bit
Model No.: All types
Features: OEM diamond core bit
impregnated/surface-set diamond core bit
ISO9001 diamond core bit
diamond bit good feedback
NQ,HQ bit
Model No.:
Features: cemented carbide for rock drilling tools are suitable for the Mining, Quarrying, Coal-cutting, Road construction etc.
Model No.: All types
Features: OEM diamond core bit
impregnated/surface-set diamond core bit
ISO9001 diamond core bit
diamond bit good feedback
NQ,HQ bit
Model No.: HA, HJ, HY, GA, etc
Features: 1.For soft,medium hard formation
2.Reliable bearing system
3.API,ISO certificate
4.High quality,good service
5.Lowest price
Model No.: All types
Features: OEM diamond core drill bit
impregnated/surface-set diamond core drill bit
ISO9001 diamond core drill
drill bit good feedback
Model No.:
Features: tungsten carbide rock drilling buttons are suitable for the Mining, Quarrying, Coal-cutting, Road construction etc.