good quality tungsten carbide button drill bits

ISO Code

Grand

Physical and mechanical properties

Applications recommended

Density                 g/cm³

Hardness No Less Than         HRA(HV)

TRS   No Less Than     (Mpa)

K05

YG3

15

90.5

1300

Suitable for finishing of cast iron and   nonferrous metal.

K10

YG6X

14.8

91

1560

The finishing& semi-finishing of cast   iron and nonferrous metals and also for the machining of manganese stell and   hardening steel.

YG6A

14.7

91.5

1510

K15

YG6

14.9

89.5

1670

Suitable for the roughing of cast iron and   light alloys and also for the milling of cast iron and low-alloy steel.

K20

YG8

14.6

89

1840

Suitable for the roughing of cast iron and   light alloys and also for the milling of cast iron and low-alloy steel.

M10

YW1

13

91

1290

Suitable for finishing and semi-finishing   of stainless steel and conventional alloy steel

YW3

12.9

92

1390

YW4

12.3

92

1390

M20

YW2

12.9

90.5

1460

The grade can be used for the   semi-finishing of stainless steel and low-alloy steel and it is mainly used   for the maching of railway wheel hubs.

P10

YT05

12.6

92.5

1260

Suitable for the finihing and   semi-finishing if steel and cast steel with a moderate feed rate and a rather   high cutting speed.

YT15

11.3

91

1300

P20

YS14

11.4

91.5

1550

Suitable for the finishing and   semi-finishing of steel and cast steel. YS25 is specially used for the   milling of steel and cast steel.

YT14

11.4

90.5

1400

YS25

13

90.5

1780

P30

YT5

12.8

89.5

1560

Suitable for the heavy duty rough tuming of   steel and cast steel with a big feed rate at a medium and low speed under   unfavorable working conditions.

K05-K10/M20

YT26

14

92.5

1600

Suitable for fine and semi-finishing   machining of chilled cast iron and non ferrous metals with good performances   of the mosetting and wear resistance, also suitable for turning and milling   of manganese steel and hardened steel.

K20

YD201

14.9

91

1800

Suitable for semi-finishing and the   rouhhing of cast iron and light alloys ans also for the milling of cast iron   ans low alloy steel.

M05-M10

YS8

13.9

92.5

1720

It can be used for the finishing of iron   based ans nickel based high -temperature alloys and high -strength steel and   it can also be used for the finishing if chilledcast iron, heat resistant   stainless steel, high manganese steel resistant stainless steel, high   manganese steel and hardened steel.

M10

60

12.8

92.5

1500

Mainly used for threading of petroleum   pipe, also used for fine machining of hardened steel.

M20

YM20

13

91

1750

P30

YC30S

12.9

90

1600

Used for the milling of steel, cast steel   ans alloy steel.

P35-P40

YC40

12.9

91

2200

Suitable for the heavy duty turning of steel and cast steel with a big steel   rate under unfavorable working condifion.

P40

YM40

12.75

90

2100

Suitable for the heavy duty turning of   steel and cast steel with a big steel with a big steel rate and also for face   milling.

YC45

12.75

90

2300