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253 products found for
hollow bolt grouting
SINOROCK SGS standard construction micropiles hot dip galvanized hollow threaded rod for drilling and grouting
US $1.9-26 / Meter
1 Meter (Min. Order)
Luoyang Sinorock Engineering Materials Co., Ltd.
Anchor button bits for full threaded steel self drilling rock bolt / hollow anchor bar / anchor rods
US $2.3-2.3 / Piece
1 Piece (Min. Order)
Zhong Yun Intelligent Machinery (Yantai) Corp., Ltd.