diamond drill bit

8 Inch Step Drag Bit for Clay Layer

Bit Type
220.7" GS1604Q
IADC Code
S223
Blade...

1.Stocks adequate, time delivery
2.Cutter's quality performance is good.
3.Rich experience in drill bit.

this powerdriver drill set is a must have for you.Everything you need for your project in one case.

1.High Abrasion tungsten carbide material
2.High performance PDC-Cutters
3.Carbide and Diamond gauge protection
4.Carbide/Diamond Shock Studs

TCI drill bit
1.best quality and best price
2. fast delivery time
3.certification:API&ISO
4.best after-sale service...

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

Multi-purpose drill bit 5pcs/set
Sizes: 4mm,5mm,6mm,8mm,10mm
Universal drill to drill holes on hardened steel, ceramic tile, concrete, laminates

Usage & Application:
1)For oil drilling
2)For gas drilling
3)For mining bits
4)For coal drilling...

301 PCS Drill Bit Set

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

NON SPARKING NON MAGNETIC BERYLLIUM COPPER TWIST DRILL BIT
They are mainly used in hazardous environment where flammable

This TCI tricone bit used for water well drilling. For soft to medium hard rocks.Application: soft shale, medium soft limestone, medium soft sandston

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

1.High Abrasion tungsten carbide material
2.High performance PDC-Cutters
3.Threaded or Plain Carbide Nozzles for Flushing

Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological exploration borehole, gas drainage hole

Three Blades PDC Drill Bit

Thread tungsten carbide drill button bit
1.Thread of drill button bit:R22,R25,R28,R32,R38
2.Face of drill button bit:Flat, drop center

Yichuan rock bit sealed bearing tricone bit water rock drill bit

1) material: AISI4145H steel and heat treated
2) The bit size: 12 1/4''
3) connection: 6 5/8'' API Reg
4) blade type: 4 blades
5) cutter size:16mm

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

 
Overburden Drill Bit overburden drilling system 70mm - 400mm OD
 
Details Des

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

High temperature heat treatment forged alloy steel. Carbide teeth with high strength and toughness work more efficiently

1. Seven Blades and Capacious Flume
2. High wear resistance cutters.
3. Oppose-circumnutation design.
4. suitable for medium to hard formation.

A complete line from 3 7/8'' (98mm)~26''(660mm);
IADC code in all sizes and in stocks;
Used for oil/water well,mining,etc;

 
4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
 
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 Retractable Drill Bit Tungsten Carbide And High Strength Alloy Steel R38
 

Size:17 1/2'' (444.5mm)
IADC:HA537
Sealed Type:rubber sealed journal bearing
Thread Connection:7 5/8" reg pin
Weight(kgs/pc):255.0kg

Specifications 1.best quality for 6"~17 1/2"
2.high quality,best price
4.number of blade :4,5,6,7,8,9,...