T thread hollow anchor bar : R thread hollow anchor bar
Rock drilling tools : Drilling bits
Sinodrills t thread hollow anchor bar the self drilling anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is...
We are offering hollow chrome bar, hollow piston rod ( inside surface chromed) material�ck45, 4140, stainless steel 304316, etc. Outside dia�12mm-500mm technology�polished, chrome plated. Outside surface roughness: ra �0.2...