Step drills
1) Step angle: 90 degree
2) Point angle: 100 degree
3) pistol drill
4) TiALN and Tin coating are available
Port: Ningbo
Minimum Order Quantity: 50 Piece/Pieces 50pcs
Supply Ability: 1,000pcs/month
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: plastic box inside, carton outside
Delivery Detail: 30-90 days
Step drills
1) Step angle: 90o
2) Point angle: 100o
3) For use with steel and light metals
4) various sizes are available upon request
Model No.: 25mm-450mm
Features: 1.The dimaond rock bits has long service life;
2.High efficiency;
3.Over 25 years experiences;
4.Best price and high quality.
Model No.: 25mm-450mm
Features: 1.Diamond core drill bits has long service life;
2.High efficiency;
3.Over 25 years experiences
4.Best quality and good pri
Model No.: 25mm-450mm
Features: 1.PDC mining bit can drill fast;
2.Longer service life;
3.Over 25 years professional experiences;
4.Best price & quality.
Model No.: YA437
Features: 1.Bit size:3 3/4" 95.3MM
2.material:Tungsten Carbide
3.size range 95.3mm to 155.6mm
4.drilling formation:medium to hard
Model No.: PDC drill bit
Features: 1)Diamond cutter PDC oil drilling bit
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1piece
Model No.: SKG114
Features: tricone bit roller bit drill bit
1.Specification:16" 406.4mm
2.IADC:114
3.WOB:0.27~0.70 KN/mm
4.sealing: rubber rings
Model No.: TP-
Features: 1.)HSS brown and black twist drill bits
2.)fully ground, DIN338,
3.)Split point.
4.) M2, HSS9341, 4341
5.) ISO9001
Model No.:
Features: Auger Bits/Foundation Drilling Bits
top technicians,abundant production experience, superior equipment,advanced mamufacturing e
Model No.:
Features: We can supply different diameter of 3-wing drag bit, 4-wing drag bit,
Model No.:
Features: 1.HSS Twist Drill Bits
2.ISO2000 CERTIFICATED
3.Manufacturing:Fully Ground
4.Size:0.2mm-20mm; 1/64 to 1"; 1# to 90
Model No.: DSP4RF-153
Features: Over ten years manufacturing experience;
Excellent wear characteristic;
ISO9001:9002 certificated;
Super long useful life;
Model No.:
Features: tungsten carbide core drill
1)material:tungsten carbide
2)size :Dia .33mm,43mm,53mm,67mm,73mm,83mm.