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Tungsten Carbide Cross Drilling Bit

Brand: Jinzhao
Grade: YG8, YG11C, YG15C
Material: Tungsten carbide
Certification: ISO 9001
Place of Origin: Hebei China
Payment Terms: T/T, West union
Supply capacity: 999999pieces/month
Delivery Time: 15-20 days
Packaging: carton box 375*220*150mm

Description

The cross bit is a mine bit. It has strong resistance to radial abrasion, is insensitive to cracks and homogeneity of rock, and all kinds of rock drills can try this kind of bit with corresponding diameters. Using high-quality cemented carbide and steel, in extremely hard, hard and fractured, crack-developed rocks, with various types of rock drills.

Grade Equal to ISO Category Number Density (G/cm3) Hardness (HRA) Bend Strength (TRS/N/mm2) Application
YG4C K10
K20
K30
K40
15.00 89.5 1800 Maily used as small buttons for percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.
YG6 15.00 90 1700 Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.
YG8 14.7 88.5 2200 Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.
YG8C 14.7 88.0 2300 Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.
YG9C 14.50 87.0 2400 Maily used as the inserts and buttons for rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.
YG11C 14.40 86.5 2450 Chiefly for the inserts and burtons of heavy rock drill bits and rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.
YG13C 14.30 86.0 2500 Mainly used as the inserts and buttons of tricone bits rotary-percussive bits and heavy rock drill bits to cut medium-hard and hard formations.
YG15 14.00 86.5 2500 It is stronger and is mainly used as the inserts and buttons of rotary-percussive bits, heavy rock drill bits to cut hard and very hard formations.
YG16 14.10- 14.30 87.5 2400 It is mainly used for making cemented carbide substrate Tips to be used in PDC cutters for excavating coal and oil field PDC bits.


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