down the hole bits

Wood working brad point drill, spade drill, auger bits, forstner bit, hole saw

Porcelain and Marble Drill Bits
made be special carbide and welding technique
Application: for hard ceramic, porcelain, marble, hard tile

Lock Installation Kit
2-1/8(54mm) Hole Saw for large lockset hole
7/8(22mm) auger bit for latch hole

1) supply new and junk drill bits,pdc bits,tci bits,tricone bits,rock bits.
2)steel tooth bits,drill pipe,scrap drill bits

DTH Bits
For DTH Bits, Various low pressure and high pressure DTH bits are available.

Down the hole bits
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill diameter range : 65mm ~253mm
4.IS

rock drilling for open cast mines and quarrying field

Down the hole rock drill bits
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill diameter range : 65mm ~253mm
4.5 fa

DTH hammers and bits from 1" to 24"

Bits-Down-Hole Impacter

1.Diameter:85mm-555mm
2.DTH Hammer: 3"-12"
3.Splines:4-10
4.Package :in carton
5.Supply ability:2000pcs/month....

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

1.PDC BIT certificate with API and ISO.
2.We can manufacture matrix body pdc bits and steel body pdc.
3.pdc bit from 2-7/8" to 17"

1.Lower oil, air consumption
2.Medium and high air pressure DTH hammer bits
3.Air Holes:2,3,4
4.Diameter:254,305,311,318,330
5.Deep hole drilling

The PDC drill bits we offered are used to penetrate the degassing hole, drain hole, and grouting hole of coal mine, water canservancy, water well

1.Competitive Price(larger order, lower price)
2.Perfect Quality Control System
3.Excellent Sevice
4.Large Business scale

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

Down the hole hammer bits
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO cer

Processing type: forging
Material: YK05 + alloy steel
Bit face shape: flat stanard, dome standard, flat retrac, dropcenter retrac

API New TCI Cones/Tricone Cutter/Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

down the hole bits for drilling rig
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m

Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control System

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

QianWang Down The Hole button bits
1.Diameter:68~250mm
2.Used in DTH Drilling rig
3.Material:Alloy,metal
4.10 years DTH bit supplier

hole openers hole opener bits
1.best quality &best price
2.fast delivery time
3.best after-sale service
4.certification:API&ISO...

Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control System

1.Competitive Price(larger order, lower price)
2.Perfect Quality Control System
3.Excellent products and Sevice(3"~26")
4.Large Business scale

Formations: Medium hard to hard formations with high compressive strength and abrasive, such as mudstone, limestone, anhydrite, sandstone and so on.

hole opener drill bit
1)Certified by ISO9001&API
2)Covers all IADC codes
3)Size:3 3/4"~26"
4)MOQ:1pcs rock bit