taper drill bits

Mating drill bit of angle iron manual drill

1.9only set of gear cone welding
2, Suitable for building Bridges, bridge pier drilling
3, Soft to hard formation can be used
4. best price

High Quality 8-3/4" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

1.With thread tip
2.SDS plus shank: prevents spinning in drill chuck
3.Single-twist type with single cutter and side lip.

API 5 7/8" TCI tricone bit
1.Inserted teeth bit
2.Medium formation use
3.Metal sealed journal bearing
4.Gauge protection

API diamond matrix pdc drill bits for well drilling
1.Tungsten carbide hardfacing on tooth surface
2.higher stability
3.Reasonable price

din338 hss twist drill bits

1.Roller bearing tricone insert tooth drill bit
2.Cover almost all IADC code
3.Meet with API Spec7-1 ISO 9001:2008

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

Matrix body 6 blade pdc drill bits oil drilling tools
1.Meet with API Spec7-1 &ISO 9001:2008
2.Good quality and after-sale service
3.High quality

1) ISO9001&API
2)Covers all IADC codes
3)Size:14 1/2"
4)Used for oil well and water well

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

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

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

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

1.Homnework diameter size:7-5/8 inch.
2.connection thread size:6-5/8 inch
3.Cutting teeth specifications:Milled tooth
4.IADC code:223

High Rotary Speed Tricone Drill Bit:
1.Company History: 30 years
2.Long Working Life: 70 Hours

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

high compressive strength and strong abrasion resistance, which can drill more reasonably and effectively, and can be used for drilling under various

API IADC 216 drill bits steel tooth for explore gas
1.High flexibility and high strength
2.Reasonable price and long uselife
3.Higher stability

high air pressure DTH drill bits
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO cer

thread drill bits of button bits
1.Button Type :R32
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO900

pdc drill bit use high-quality steel to make the base material of PDC bit, the surface of the blade weld high-performance wear-resistant materials.

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

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

25pcs HSS Twist Drill bit Sets
Rolled,Polished,Fully Ground
Bright,Black,TIN
SIZES:(1-13)X0.5MM
Long life, fast drill speed

ISO9001:2000 certificated
Efficient assembly, high abrasion resistance,impact resistance

Diamond core Drill Bit
1.combined,diamond tool
2.punching functual well
3.perfect package
4.reasonable price

DIN338 HSS drill and Masonry drill and wood brad dill bit set

Specifications
Specifications
1.ISO 9001:2008 & API spec7-1
2.Covers almost all IADC code.
3.Stocks adequate&timely delivery