1) Tricone mill tooth bit (manufactory)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ: 1pc
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 500 Piece/Pieces per Month drill bit
Payment Terms: L/C,Western Union,MoneyGram
Contact Supplier
Packaging Detail: wooden case or as your requirement
Delivery Detail: within 7 days or depend on your order
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.
About product
| Material | tungsten carbide |
| Size | 444.5mm |
| Applicable formation | soft with low compressive strength, such as shale,soft limestone, clay, sandstone |
| Cutting structure | Largge dia.offset crested scoop compacts in inner row, wedge compacts in outer row high compact exposure and inequable spaced compacts arrangment |
| Normal WOB KN/mm(bit dia.) | 0.35~1.05 |
| Rotary Speed (rpm) | 240~50 |
| Main market | North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe |
| Certificate | ISO 9001:2000 |
| Delivery | Within 7 days |
| Type | picture | Ln. | Mm |
| HJ517GL | 8 3/8 | 212.7 | |
| HJ517G | 12 1/4 | 311.2 | |
| HJT527G | 17 1/2 | 444.5 |
Model No.: Speedbor
Features: We manufacture Low price and high quality drill bit set with supreum tequnique and selected material
Model No.: 16"/400mm
Features: *Professional best rotary concentricity of each flat drill bit.
*Only do professional quality wood flat bit(spade bit).
Model No.: 1 inch ~ 4-5/8 inch
Features: Many Electricians and Plumbers rely on Self feeding Bits for large hole drilling in wood.A hex shank provides a secure gripping.
Model No.:
Features: NEW Deep Cut Utility Pole Auger drill bits are produced with the high standards of engineering and manufacturing quality auger b
Model No.:
Features: Nailbiter Drill Bits Feature:
Dual-Helix cutter head provides smoother and faster auger action, even through nail-embeded wood
Model No.: drill bit OEM/ODM
Features: Drill Bit OEM/ODM
DRILL BIT for greater efficiency
DRILL BIT suit most application
DRILL BIT with best material
Model No.: plastic case set
Features: New Drill bit set:New designed threaded tip and three flutes guarantee the fastest cutting different wood for heavy duty work
Model No.: Screw point drill bit
Features: We do drill bits with Low price and high quality
Made of high carbon steel and Different Screw point drill bit size available
Model No.: Machine Type
Features: We manufacture Low price and high quality power tool drill bit
Supreum tequnique and selected material
Different size availabl
Model No.: RedGroove
Features: New Style Drill Bit With its all new quad-flute & cutting head design 4-flute drill bit, represent the next generation of tools.
Model No.: New style auger bit
Features: Quad Wood Bit Display Box
Attractive point-of-sale display
Contains 15 Quad Bits
Four flute & four cutter design wood drill
Model No.: 4 Flute Wood Drill
Features: Drill Bit OEM/ODM
DRILL BIT for greater efficiency
DRILL BIT suit most application
DRILL BIT with best material