PDC Bits for Roof Bolting Drilling

Detailed Product Description

ThisPDC Bits for Roof Bolting Drilling.have good diamond pieces drilling fast and long life used.

Must use in the coal mine anchor cable supports and protections sneaking in the hard rock layer.suitable for soft medium or medium hard stratumf＜12

specifications:25mm 27mm 28mm,30mm,32mm,36mm,42mm,

thread size:M14X1.5 M14X2 M16X2 M1/2X12

Place of Origin:	Zhejiang in China
Model No:	zx004
Brand Name:	PDC Bits for Roof Bolting Drilling
FOB Price:	15-35 USD SHANHAI
Payment Terms:	T/T(Bank Transfer),
Minimum Order:	Piece/Pieces 1000
Supply Ability:	Piece/Pieces\|100000\|Month
Package:	carton with foam also according to your other requested
Delivery Time:	25Days