[Jul. 11, 2009 8:00:03]

SHANDONG ROCK DRILLING TOOLS Co., Ltd is the professional manufacturer and exporter of....

[Jul. 11, 2009 7:58:56]

Button bits Description:
Button Bits 1. Tapered Button bits( 7, 11Â £ Â ¬ 12Degree) , Diameters....

[Jun. 30, 2009 19:27:56]

SHANDONG ROCK DRILLING TOOLS Co., Ltd is the professional manufacturer and exporter of....

[Jun. 30, 2009 19:24:41]

Thread Button Bit
( 1) Threaded connection: R22-R38, T38-T51
( 2) Diameter: D35-127mm.
( 3....

[Jun. 1, 2009 18:29:56]

Thread Button Bit
( 1) Threaded connection: R22-R38, T38-T51
( 2) Diameter: D35-127mm.
( 3....

[May. 31, 2009 1:56:39]

Bit diameter Carbide size taper Water hole Part No
mm in Width ¡ à � height
30 1 3/ 16Â ¡ Ã ¥ 8Â ....