step drill bit

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

Mining core drill bit
1.Good quality and after-sale service
2.Reasonable price
3.Can be customized
4.suitable for medium soft formations

New arrival steel tooth roller bit for drilling water well
Model
TCI BIT, STEEL TOOTH BIT PDCoil drill bit roller bit
IADC CODE
116 117 126 127

Used for the urban orientation penetrate project to lay the pipe for gas or water.It meets the all direction drill controled by the sound house.

Certified by ISO9001&API
Covers all IADC codes
Size:4 3/5" (116.8mm)~17 1/2" (444.5mm)

Metal drill bits ground from solid extremely heat resistant Tin-alloyed high speed steel produced according to DIN338. Polished Finish.

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

1.button tooth or steel tooth
2.wide size code
3.soft,medium soft,hard,medium hard

1. In-house heat treatment ensures optimum surface hardness and case depth
2. R780 Steel -high standard
3. 6 months warranty

1. Enlarger pilot hole.
2. Diameter can be customized.
3. With or without pilot bits.
4. Drilling soft to hard formation.

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

Features:
1) Size:
5, 6, 8 12x 160mm
2) Material: 40Gr, YG8C
Inner packing: ...

1.The bit bearing is ball which can be applied to high totary speed drilling
2.New type of grease that can sustain high temperature up to 250℃

1.Homework diameter size:9-1/2inch
2.Number of blade:5 blade
3.Connection thread size:6-5/8 inch
4.Cutting teeth specifications:1613

Used for the urban orientation penetrate project to lay the pipe for gas or water.It meets the all direction drill controled by the sound house.

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

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

1)Size from 95mm to 450mm
2)Super quality and competitive price
3)Meet the needs of the new and old customers

Metal drill bits ground from solid extremely heat resistant Tin-alloyed high speed steel produced according to DIN338. Polished Finish.

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

PDC bits
1. High wear resistance cutters.
2.Oppose-circumnutation design.
3.suitable for medium to hard formation.

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

1.used for oil filed, waterwell
2.Meet API& ISO
3.TCI tricone bits certified by ISO

1.Homework diameter size:9-1/2inch
2.Number of blade:5 blade
3.Connection thread size:6-5/8 inch
4.Cutting teeth specifications:1613

TCI tricone bits/ three cone bits
1.Certified by ISO9001&API
2.Used for water well, oil field
3.IADC:114-117,127,437,517,617,637
4.type:3-26in

Used for the urban orientation penetrate project to lay the pipe for gas or water.It meets the all direction drill controled by the sound house.

PDC diamond drill bit
1 27 28 30 32 36 40 42mm
2 for Coal mine, water canservancy & hydropower
3 ISO9001
4 famous brand

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

1.high toughness
2.high durability
3.API ISO certification
4.OEM is ok

Drill Bit for Wood
Carbon Steel
Variety type can be choice