YG4C

15.10

1800

90.0

It is mainly used as an impact drill for cutting soft, medium and hard materials

YG6

14.95

1900

90.5

Used as electronic coal bit, coal pick, petroleum cone bit and scraper ball tooth bit.

YG8

14.80

2200

89.5

Used as core drill, electric coal bit, coal pick, petroleum cone bit and scraper ball tooth bit.

YG8C

14.80

2400

88.5

It is mainly used as the ball tooth of small and medium-sized impact bit and as the bearing bush of rotary exploration drill.

YG11C

14.40

2700

86.5

Most of them are used in impact bits and ball teeth used to cut high hardness materials in cone bits.

YG13C

14.2

2850

86.5

It is mainly used for cutting ball teeth of medium and high hardness materials in rotary impact drill.

YG15C

14.0

3000

85.5

It is a cutting tool for oil cone drill and medium soft and medium hard rock drilling.