r25螺纹钻头头部 -www.尊龙凯时888

直径

diameter

合金数量、直径

no x buttons diameter mm

角度

button

angle°

水孔

flushing holes

重量

weight

(kg)

编号

part no

mm

inch

边齿

gauge

中齿

front

side

front

r25（1’’）button bit-（spherical  buttons& ballistic  buttons）

33

15∕16

5×7

2×7

35°

1

1

0.4

gd33-r25pff5n

35

13∕8

5×9

2×7

30°

1

1

0.5

gd35-r25pff5n

38

11∕2

5×9

2×7

30°

1

1

0.6

gd38-r25pff5n

38

11∕2

4×9

2×8

30°

2

1

0.5

gd33-r25pff4n

41

15∕8

5×9

2×8

35°

1

1

0.6

gd41-r25pff5n

41

15∕8

4×9

2×9

35°

2

1

0.6

gd41-r25pff4n

45

13∕4

5×11

2×8

30°

2

1

0.7

gd45-r25pff5n

45

13∕4

4×11

2×9

35°

2

1

0.6

gd45-r25pff4n

48

17∕8

5×11

2×9

35°

2

1

1.0

gd48-r25pff5n