step drill bit

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

PDC anchor drill bit diamond drill bit
Double row cutters design extends the bit life especially when drilled in abrasive the resist impact capabilty

1) ISO9001&API
2)Covers all IADC codes
3)Size:6 1/2"
4)Used for oil well and water well

1.button tooth or steel tooth
2.carton, wooden box,steel box or as your requirements
3.soft,medium soft,hard,medium hard

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

reamer bit,hole dilating drill
1.Tungstan carbide
2.high quality
3.660MM
4.for large size well drilling

Made by high strength steel, on which rubbed by tungsten carbide teeth.Good wear-resisting and taking shape well while drilling.

kingdream TCI tricone rock bits API:
1)certified by ISO9001&API
2))min order;one pcs rock bits
3)IADC:114-117,127,437,517,

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

tricone mill tooth bit drill bit
1.Size rang from 3 7/8~26
2.Large inventory on hand
3.Good quality and after-sale service
4.Low price

1) ISO9001&API
2)Covers all IADC codes
3)Size:4 1/8"
4)Used for oil well and water well

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

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

1.API all size, all IADC all chinese brand
2.Large quatity in stock
3.abundant experience to export

Made by high strength steel, on which rubbed by tungsten carbide teeth.Good wear-resisting and taking shape well while drilling.

6" TH1365 / M333 PDC Drill Bit
1. Used in Oil Well and Gas Well
2. High speed
3. Medium Soft To Medium Hard.

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

Steel body PDC petroleum drill bit
1.Bit API&ISO 9001
2.Bit steel body PDC bit
3.Bit high speed
4.Bit high quality with good price

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

1.Center Drill Bit
2.drill bit for water well
3.all IADC code

Made by high strength steel, on which rubbed by tungsten carbide teeth.Good wear-resisting and taking shape well while drilling.

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

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.Size from 3 7/8" to 26"
2Covers almost all IADC code.
3Stocks adequate&timely delivery
4Good quality and after-sale service

1)Hard auger bit
2)pin shank size:6 5/8''
3)procaessing:forging
4)sealing:metallic seal

1. IADC code suitable for different formations.
2. Good quality, reasonable price.
3. ISO9001:2008, API certified.
4. Timely delivery.

1.Homework diameter size:12-1/4inch
2.Number of blade:5 blade
3.Connection thread size:6-5/8 inch
4.Cutting teeth specifications:1613

TYPE: G13 (IADC----131)
HARDNESS OF ROCK: f<2
WEIGHT RECOMMEND: 20-35kg/mm (Dia Bit) (1100-2000 lb/in)
ROTARY SPEED: 80-150rpm.

Made by high strength steel, on which rubbed by tungsten carbide teeth.Good wear-resisting and taking shape well while drilling.

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