wood drill bit

Tricone bits from 6 to 17 1/2 inch, both steel milled tooth and Tungsten Carbide Insert Bit with metal seal.

API TCI bit, higher ROP, longer use life.
high reliability and quality

material:abs/iron

1.Seal type:Metal/Rubber
2.Material:alloy/carbide
3.competition price

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.

1.high quality and best service
2.pdc bit for water well drilling
3.superior in quality;reasonable price

1.high quality and best service
2.pdc bit for water well drilling
3.superior in quality;reasonable price

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

HSS Step Drill Bit
For drilling holes in metal material, wood and hard plastic.

 
Polycrystalline Diamond Drilling Tools PCD ( TSP ) Core Bits For Granite</stron

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

 
ST58 Tungsten Carbide Hardened Steel Drill Bits Dia 89mm - 115mm
 
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We supply many kinds of Rock Bits,PDC bit, tricone bit etc. with high quality and low price. rockbit#vip.163.com Skype: jane52992#hotmail.com

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:rolling bearing journal
5.delivery on tim

110pcs Hss Combination Drill Bit Sets with blow mold Ca

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

1.Reamer bits for soft,hard rock
2.Size:up to 1700mm
3.Certified by ISO,API
4.High quality best price
5.Timely deliver

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

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:sealed non-sealed
5.delivery on time

1.matrix body
2.five blades
3.Customizable services can be provided.

90pcs Hss Combination Drill Bit Sets with blow mold Cas

TSP series Thermally Stable Polycrystalline (TSP) diamond can be manufactured into a variety of sizes and shapes.

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

Specifications
1. Rich experience in this line, over 30 years.
2. Exquisite technology.
3. Good quality.
4. The best prices....

1) ISO9001&API
2)Covers all IADC codes
3)Size:3 1/2"~26"
4)Used for oil well and water well

Cutting Tools

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades
5.delivery on time

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc