Material:
Usage:
Feature:
ISO9001
High-Quality Hot-Pressed Coring Diamond Bits. for Hard Rock91#95#113# Hy1
Yantai Changyou Glass Co., Ltd.High Quality PDC Diamond Hole Reamer Centralizer Protection Hole Diameter
Yantai Changyou Glass Co., Ltd.Nmlc/Hmlc Impregnated Natural Diamond Core Drill Bit with High-Efficiency Drilling
Yantai Changyou Glass Co., Ltd.Double Tube Series T2-101 T6-76 Impregnated Diamond Crown Drilling Bits
Yantai Changyou Glass Co., Ltd.4 Inches Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Soil Bits, PDC Bits, Oil Bits, Angled Bits
Yantai Changyou Glass Co., Ltd.