step drill bit

Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on bit is balanced that resulting better stablity of Bit

1) ISO9001&API
2)Covers all IADC codes
3)Size:12 1/4"
4)Used for oil well and water well

R28 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
3.Strict test

1.Excellent reaming ability,hole size uniformity
2.Safety,durability and high cost performance
3.High cost-performance

1.Excellent reaming ability,hole size uniformity
2.Safety,durability and high cost performance
3.High cost-performance

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-25inchs
5.delivery on time

1.size:10-1/2 inch(266.7mm)
2.Thread sizes:6-5/8inch(168.3mm)
3.Formation:Hard with high abrasiveness,such as hard limestone,dolomite

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

Made with high quality of raw material through special heat treatment, especially, tungsten carbide of tapered button bits are from Boart long year

PDC bits for oil driller1.specialized in pdc bit
1.cover all IADC codes of pdc bit
2.all pdc bit size available
3.moq:1piece

Our API Certification PDC Drill Bit for Petroleum Exploration is good in quality and competitive in price.

12-1/4"IADC517 TCI tricone bits
1.High-precision metal seal
2.Higher stability
3.Reasonable price and long uselife

We can supply kinds of tricone drill bits.

Our products successively has obtained ISO9001:2000 international quality system certificate and API certificate.

Our products successively has obtained ISO9001:2000 international quality system certificate and API certificate.

Variety sizes rock cone PDC drill bit
1.Cover all IADC codes
2.Large inventory on hand
3.Good quality, low price

1.8 1/2 matrix body IADC code PDC drill bits
2.Cover almost all IADC code
3.Good quality and after-sale service

Kingdream HA517 tricone bit for oilfield
1.Fast drilling rate
2.Strong cutting structure durability
3.Diffrernt size available
4.Low cost

Self drilling rock bolts with sizes R25, R28, R32N, R32S, R38, R51N, R51L, T76N, T76S

Impregnated diamond core bit, surface set diamond core bit, tungsten carbide core bit

1.high quality taper button bits
2.Taper button bits
3.34mm taper button bits

Single Cone Bit Tricone Drill Bit,Roller Cone Drill Bit

Single Cone Bit Tricone Drill Bit,Roller Cone Drill Bit

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