Message: | Tapered drill button rock bit
Product Name: 38mm 8 button 7 degree
Product Material: Tungsten Carbide
The shape of a button: diamond
payment: T/T L/C
package: each bit is packed in one PE bag. 50 PE bag is packed in one PE box.
certification: ISO 9001
Tapered drill rods are mainly used in the drilling blasting hole, guardrail hole, mountain reinforcement, anchoring and other engineering holes in mines, quarries, high ways, railways and so on. It has a long service life and they’re also subjected to high bending stress, transferring the percussion energy from rock drill to drilling bit and then into the rock. url:http://www.speedmadedrill.com |