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: 300 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden case or cartons 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
About product
1) High-precision metal seal,
2) Placed in the cylindrical roller rolling groove of the body, increasing the size of the journal and rolling element
3 )Limit the use of pressure and prevent fluid into the lubrication system of the whole rubber reservoir bag for bearing lubrication system provides a good guarantee
4) The use of 250 degree heat resistant, anti-wear grease new
5) Palm and the dorsal tip deposited weld diameter hard materials to strengthen the security drill, drill bit with a large central water hole
TCL BITS SIZE | API threaded connection | 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 |
Model No.: W131
Features: 1.Specification:24'' 609.6mm
2.IADC:131
3.material:high manganese steel
4.WOB:0.20~0.70 KN/mm
5.sealing:metal or rubber
Model No.:
Features: We can make drilled bit by forging and complete machining.
Model No.: MD-4561
Features: use:rock,wall,brick,concrete etc stiletto
1) Masonry drill
2) masonry drill bit
3) masonry drill sets
Model No.: MC-LD
Features: 1. For centering with high positioning accuracy
2. strong formed chisel expands the life
3. Starting drill, leading drill
Model No.: HC-Mi9
Features: Diamond Core Drill Bit for cured concrete
1.Super fast,efficient drilling
2.Long life economy puspose
3.drills with roof segt
Model No.:
Features: Diamond Core Drill Bits For Concrete
core drill bits for cured concrete, reinforce concrete, asphalt.
Model No.: DNHC
Features: 1.super tough high speed steel
2. M2, M2AL, M35, M42, ASP2030 etc
3.multi-cut geometry for ply-cutting and lower friction
Model No.: 65L.75L.95L.
Features: Glass diamond drill bits
1.Quality assurance
2.material:electroplating
3.fast speed and good use
Model No.: XD
Features: Diamond hole saws
1Sharp, more wearable, long life, no fragile
2can adjust the grit according to customers' request
Model No.:
Features: 1.high toughness
2.high durability
3.covers almost all IADC code
Model No.: 6"---26"
Features: 1. our goods have well quality high wear resistance and high impact resistance
2. we can offer you enough
Model No.: Many
Features: 1.tapered rock drilling tool
2.many type and ore mining
3.export many countries
4.high quality and good price
5.own factory