1)15 year's experience in drill bit
2)certificate:ISO9001:2000
3)delivery in time
4)long life time
5)FOB price 500-6000
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 300 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden or cartons boxes and/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.: 41002
Features: Flat Chisel
1. masonry drill bits;
2. with professional quality and competitive price;
3. Ideal for industrial application.
Model No.: PLF-C707
Features: Glass core drill bit
1. wet drilling glass
2. Sintered milling bits
3. Fast drilling bits
4.Core bits for glass
Model No.: 30401
Features: Open End Forstner Bit
Good for drilling on wood materials with smooth drilling, easy metal filings exit.
Model No.: 8015
Features: Core Box Bit
Material: carbide tipped
For wood cutting
Model No.: Brazed Finger Bit PLFE011008
Features: Diamond Brazed Finger Bits
High Quality Brazed Finger Bit for cutting all kinds of stone.
Special for Granite and Marble.
Model No.: VB-DW002
Features: diamond tools
with special technology of diamond brazing, diamond hand profiling wheel has higher efficiency
Model No.: VB-DK004
Features: diamond tools
1. high efficiency
2. long working life
3. fast drilling speed
Model No.: VB-DW004
Features: diamond tools
with special technology of diamond brazing, diamond hand profiling wheel has higher efficiency
Model No.: VB-DT002
Features: 1. unitary saw blade, blade not easy to be spitted
2. cutting sharp
2. long service life
3. small gap and less scraps
Model No.: all types
Features: diamond reaming shell bit
1.AQ,BQ,NQ,HQ diamond reaming shell bit
2.reaming shell bit high efficiency,ISO9001
3.good feedback
Model No.: DIN354
Features: hss morse taper shank drill bits,
general purpose, regular shank
* 118 degree point angle.
* black oxide finish.
Model No.: all types
Features: 1.BQ,NQ,HQ reaming shell ZM brand
2.reaming shell high efficiency,ISO9001
3.material:natural or synthetic diamond
4.low price