1.API&ISO9001 certification
2.Professional (used and new )tricone bits and PDC bits manudacture
3.30 years experiences
Port: Tianjin Port
Minimum Order Quantity: 1 Piece/Pieces the more the cheaper
Supply Ability: 500 Piece/Pieces per Month more
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: wood box or steel box
Delivery Detail: within 15 days
main product
size | Bit Type | |
| In | mm | |
| 6 | 152.4 | 437,517,537,617,637 |
| 6 1/2 | 165.1 | 437,517,537,617,637 |
| 7 1/2 | 190.5 | 517,537 |
| 8 1/2 | 215.9 | 437,535,517,537,617,637 |
| 9 1/2 | 241.3 | 437,517,537,617,637 |
| 9 5/8 | 244.5 | 535,517,537 |
| 9 7/8 | 250.8 | 517,537 |
| 12 1/4 | 311.1 | 437,535,517,537,617,637 |
| 17 1/2 | 444.8 | 535,517,537 |
TCI bits
1,Soft formations(417,437,517,537)
Features large chisel-shaped inserts to provide the highest penetration rate in the softest formations such as shales, clays, limestone and sands.
2,Soft to medium formations(617,637)t to Medius
Designed to drill effectively in formations such as hard limestone, dolomite, hard sands, and other formations with hard cherty.
3,Medium to hard formations(737)
For extremely hard formations such as chert, granite, flint, and taconite. Features short, closely-spaced inserts to ensure maximum penetration rate and wear resistance.
Model No.: 30601
Features: HSS Step Drill Bits
1. High grade speed steel body;
2. Different sizes are available.
Model No.: CBCC
Features: Black Geological Diamond Drill Bits for Concrete Containing Faractured Layers and Steel Bars
professional good quality
Model No.: CBCA
Features: Silver Geological Diamond Drill Bits for All Types of Concrete
low price good quality professional
longer life
Model No.: CBCA
Features: Silver Geological Diamond Drill Bits for All Types of Concrete
low price good quality professional
longer life
Model No.:
Features: TCI tricone bit
1.high toughness
2.high durability
3.covers almost all IADC code
4.size from 3 1/2" to 26 1/2"
Model No.: custom
Features: electrical drill
(Super high wear resistance/ high impact resistance/high precision)
Model No.: custom
Features: drill machining
(Super high wear resistance/ high impact resistance/high precision)
Model No.: custom
Features: drills factory
(Super high wear resistance/ high impact resistance/high precision)
Model No.: custom
Features: the smallest drill
(Super high wear resistance/ high impact resistance/high precision)
Model No.: TY-H025
Features: HSS Drill Bits
Standard:ASME B.94.11M-Screw Machine Length
Manufacturing:Fully Ground
Size:1-20mm
ISO2000 CERTIFICATED
Model No.: TY-H001
Features: Hss Twist Drill Bits
HSS Black Drill Bits
Material:HSS
Size:0.2mm-20.0mm
Package:10/5 pcs in a pvc pouch then in paper box
Model No.: TY-H1301
Features: 13pcs HSS Drill Bits Set
Rolled,Polished,Fully Ground
ISO 2000 CERTIFICATED
SIZES(MM): (1.5-6.5)X0.5MM+3.2MM+4.8MM