Step Type Drag Bits Wholesale - Chinaprice: contact company for price
such as sand, clay, or some soft rock. However, they will not work well
in coarse gravel or hard rock formations. Uses include drilling water
wells, mining, geothermal, environmental and exploration drilling.
Whenever possible, they should be used to drill pilot holes because they
produce cuttings that are easiest to log.
Select tungsten carbide inserts 3/16' thick are standard
Carbide inserts are individually hand soldered using nickel silver rod
Bits fabricated are welded with high tensile strength 7018 rod
Drag bits are welded solid at the nose for durability
Blades originate from 4140 heat-treated tool steel forgings
Forgings are milled to better seat the carbide inserts
Relief is hand ground behind carbide inserts for maximum performance
Bits can be built to the gauge tolerances required
Step drag bit: three wings step drag bit, four wings step drag bits;
Drag bits diameter:76mm to 445mm;
Drag bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, etc;
- Posted By: Qideli Rock Drill Tools Co., Ltd
- Phone: 8659187513252
- Address: 7F, China Foreign Trade Center Building, No.75, Wu, fuzhou, China
- Website: http://www.rockdrillingbits.com/
Published date: October 10, 2013 -
- Business Description: involved in international trade import export of goods, products, and services
Reaming Bits WholesaleEquipment - Drill Bits - Qideli Rock Drill Tools Co., Ltd - China - October 10, 2013 - contact company for price
A reaming bit functions to enlarge a borehole and it is designed with a drill portion and a reamer portion. The drill portion is formed by cutting edges at the end of a plurality of flutes, and the reamer portion includes a first relief formed on eac...
Tapered Button Bits WholesaleEquipment - Drill Bits - Qideli Rock Drill Tools Co., Ltd - China - October 10, 2013 - contact company for price
(1) Type: button bits (2) Size: 19mm, 22mm, 25mm (3) Diameter: 30mm-42mm. (4) Taper degree: 4°46′, 6°, 7°, 11°, 12°. (5) Buttons 4, 5, 6, 7, 8 (6) Flushing Hole 1, 2 (7) Skirt Normal, Length (8) Package: in wooden case or in carton. (9) Product...
Tapered Chisel Bits WholesaleEquipment - Drill Bits - Qideli Rock Drill Tools Co., Ltd - China - October 10, 2013 - contact company for price
(1) Type: chisel bits (2) Size: 19mm, 22mm, 25mm (3) Diameter: 26-100mm. (4) Taper degree: 4°46′, 6°, 7°, 11°, 12° (5) Dimension of Tungsten Carbide 15*10mm（Normal），18*10（Strengthen） (6) Skirt Normal，Le...
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