dth hammer and bits service

Jan 21, 2018 · the first steps to good performance and service life when drilling with dth equipment is to have a balanced system – air supply, hammer and bit; the picture below left one is bad balanced system which will lead to low penetration rate, and right one is good balanced system with perfect penetration rate . correct settings

R38 anchor bolt. t30 anchor bolt. hot-dip galvanizing anchor bolt ... a critical part of this infrastructure upgrade project was the construction of a 1,471 m long tunnel as part of the bypass of the town of omis, some 25 km south of split. ... necessary functional adjustments of the required anchor lengths can be carried out easily using the ...

Sinorock® divides our self drilling anchor system into r thread self drilling anchor bolt and t thread self drilling anchor bolt. the sizes of our self drilling anchor bolt include r25, r32, r38, r51, t30, t40, t52, t73, t76, t103, t111, t127, t130, t150 and t200.

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