Carbide Gripper insert for chuck jaws

Grades

Density
(g/cm3)

Hardness
(HRA)

T.R.S
(N/mm2)

Application

YG4C

15

89.5

1800

Mainly used as small buttons for percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.

YG6

14.8

89.5

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

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.

YG8C

14.7

88

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

14.5

87

2400

Mainly used as the inserts and buttons for rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.

YG11C

14.4

86.5

2450

Chiefly for the inserts and buttons of heavy rock drill bits and rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.

YG13C

14.3

86

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

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.