1)5 1/8''Oil rig drill bit size of Steel Tooth Bits
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1p
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 500 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
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
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.:
Features: 8% cobalt-alloyed specially suitable for drilling stainless steel, resisting steel, spring steel.Size: 2mm - 13mm
Model No.:
Features: Spade bits are used for rough boring in wood.
Model No.:
Features: SDS Plus Hammer Drill Bits
High quality, size available from 5mm to 25mm
Model No.:
Features: 1) Designed for drilling wood, plastic & plasterboard.
2) Double side spurs provide less vibration & cleaner holes.
Model No.:
Features: clear box with stick ,10pcs in each box,
Model No.: HT-DZ710B
Features: 71CC Earth Drill
1. 1 Year Warranty.
2. CE Certification Approved.
3. High Quality With Reasonable Price.
Model No.: DIN
Features: 1) High carbon steel with carbide tipped cutting edge
2) Black groove and ground flute, edge polished
3) Straight shank
Model No.:
Features: 1.stone drill bit
2..FOR DRILLING all kinds stone:MASONRY,BRICKS,CONCRETE BLOCKS,REINFORCED CONCRETE ,...
Model No.: Twist drill bits
Features: Full ground,M2 material, DIN338 standard, 118 degree, twist drill bits.
Precision ground from solid
High grade
Avialble Size:
Model No.: SDS-Plus S4
Features: 1.shank:sds plus,sds max,hex,spline
2.flute:double,single
3.tip:flat,cross,W,three
4.package:PVC bag,plastic tube,hanger,etc
Model No.: 1534SU03-0200
Features: The wide range of application, can realize to steel, stainless steel, cast iron, heat resistant alloy
Model No.: HSS
Features: 1.Type:HSS,TCT,Bi-metal,wood,glass,marble,plane,grit,spherical
2.Suitable for:steel,wood,glass,marble,hollow
3.Pack:bulk,set