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Coal Drill Tips
Coal Drill Tips

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Coal drill tips:
Grade: YC6 YC8 YC8C etc
Complete specifications
Stable quality
Short delivery, Sample available

Grade, properties and application of mining tool parts:

Grade

Equivalent

To ISO

Density

(g/cm3)

HRA

T.R.S

(Mpa)

Application

YC4C

 

14.8

≥89.0

≥1800

Mainly used as small buttons for percutions bits to cut soft 

and medium hard formations.

 

YC6

 

K15-K20

 

14.8

 

≥90.0

 

≥2150

For coring crowns, electronic coal drill bits, coal cutting picks, 

oil cone bits and scraping knife bits, 

applied in geological prospecting, coal mining and oil well boring.

 

YC8

 

K30

 

14.8

 

≥89.5

 

≥2320

For coring crowns, electric coal drill bits, coal cutting picks, cone drill 

bits and scraping knife bits, used in geological prospecting, coal 

mining and oil well boring.

YK05

 

14.8

≥90.5

≥2500

Mostly used as the buttons of small and medium sized bits to drill soft 

and medium hard formations.

YC8C

 

14.7

≥88.5

≥2400

 

YK15

 

 

14.6

 

≥87.6

 

≥2450

Suitable for buttons and inserts of rotary percussion bits to cut medium-hard and soft formations.

 

YK20

 

 

14.4

 

≥86.8

 

≥2500

Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.

 

YK25

 

 

14.4

 

≥87.2

 

≥2550

Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations.

 

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