auger drill bits

1.Vacuum Brazed diamond drill bits
2. Longer life for drilling granite

Description
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Description
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Material: 4241, 4341, 6542,9341
Split Point Angle: 118 or 135
Surface treatment: Ti-coated
Flute Type: Type N
Standard: DIN 338

1. size: 8 1/2''
2. type: Gm1616T
3. blade quantity: 6
4. cutter size: 16mm
5. gauge length: 66mm...

1. size: 12 1/4''
2. type: GM1607TQ
3. blade quantity: 7
4. cutter size: 16mm
5. gauge length: 80mm...

 
 Fast Grind  Drill Bit

Taper cross bit and thread cross bit for mining, quarrying, tunneling and water well drilling.

Taper button bit and thread button bit for mining, quarrying, tunneling and water well drilling.

Soft and Medium Hard Formation
Deep blade and long parabolic configuration ,ensure optimal bottom hole flow pattern and anti-balling .
Anti whirl

CNC Casting Directional Drill Bits / HDD Drill Bits Heads For Rock
 
 
Description:</s

Diamond Core Drill Segment-Shank Drill Bits-Diamond Drilling Bits,Drill Bits

A full range of PDC cutters design for oil/gas drilling amd mining bits ,are manufactured under state-of-the-art sintering processes.

PDC drill bit manufactured by Zhengzhou LD Diamond Products CO.,Ltd. Widely used for geothermal drilling, water well drilling, geological exploration,

Household DIY Tools 25Pcs Screwdriver Bit Socket Set / Screwdriving Bit Sets
 
Description:</strong

diamond blade, circular saw blade, diamond tools, cup grinding wheel, diamond drill bits, steel cutting disc, diamond polishing pad, drill bits, chise

Supreme drill bits are made of PDC by good welding technology, which have good wear resistance

Carbide Tipped Core Drill Bits are professionally drilling holes in wood board, concrete wall, ceramics, porcelain, wood, plain, laminated and...

a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the smal

Hunan Renowned Trademark: Tongyi brand
ISO 9001:2008 certificate

Rock Roller Bit Shirttail Protection carbide inserts along leading edge of shirttail as well as tungsten carbide hard facing

 
We have a group of professional talent team,adhering to the operating princ

1.drilling tool
2.long work life
3.good after-sales service
4.Strong resistance to abrasion and impact resistance.

1. Face stabilization
2. Radial systematic anchoring
3. Foundation for avalanche protect
4. Stabilization of tunnel portals
5. Root piling

Carbon Steel Tct Drill&nbs

size from 28mm to 42mm
can be customized
can be used in the mining, water well drilling, coal drilling industry
best price and qualiy

Down-The-Hole Bits B20 Core Drill Bits
 
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Down-The-Hole Bits B19 Core Drill Bits
 
Down-The-Hole Bits B19</s

Ring Bits Thread Core Drill Bits
Ring Bits Thread
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Down-The-Hole Bits B21 Core Drill Bits
 
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