Hole expander
A diamond friction tool that enlarges the hole wall
Category：
Keywords：
diamond bit
Series BQ NQ HQ PQ SQ
BTW NWT HTW
T2 T6 B M series
Size: 36mm-172mm
Material: polycrystalline, diamond, alloy
Shandong Aofeng Drilling Rigs Machine Equipment
Tel：+8615376211860
Email：flydragonsd@gmail.com
Address：N° 14, Wenhe 2nd Road, comté de Mengyin, ville de Linyi, province du Shandong, Chine
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Lingkong Technology
