rock bit,tricone bit,diamond bit certified by ISO,API. cover wide size and range high quality best price delivery on time
1.Size rang from 3 7/8 to 26 2.Certified by ISO9001&API 3.Used for waterwell and oil field 4.Rubber seal and metal seal
Masonry Drill Bit made of hign carbon steel with ind grade cabide tip for long life for use with percussion drills
1.Material:Diamond 2.Manufacturer 26 years experience 3.Sharp, durable, high efficiency 4.ISO9001:2000 5.Competitive price
1.PCB drill bit: 0.25mm~6.5mm 2.Low price HSS drill: USD 2.23 3.High quality drill 4.Quick service 5.Accept non-standard
Sinodrills Cross Bit
Taper(Knock off) Cross Bit
Tapered cross bit diameter: 30mm, 32mm, 35mm, 38mm, 41mm, etc.
Tapered cross bit degree: 4 degree 46 point, 7 degree, 11 degree, 12 degree, etc;
Sinodrills Button Bit
Taper(Knock off) Button Bit:
Tapered button bit diameter: 28mm, 30mm, 32mm, 34mm, 36mm, 40mm, etc.
Tapered bit degree: 4 degree 46 point, 7 degree, 11 degree, 12 degree, etc;