custom drill bit set in Mexico

Oil & gas drilling. since day one, center rock has served the oil and gas industry with quality down-the-hole hammers and bits ranging from 3.5″ – 48″ (89mm – 1219mm) and specifically designed to meet the rugged demands of deep hole drilling. with available on-site support, a consultative approach and 24/7 customer support, center rock is the oil and gas supplier of …

As a rule of thumb, the smallest hole diameter a dth hammer can drill is its nominal size. i.e. standard 102 mm (4”) hammer will drill a hole down to a minimum diameter of 102 mm (4”). the limiting factor is the outside diameter of the hammer, because as the hole diameter reduces due to diameter wear of the bit, airflow is restricted.

4 3/4" digger dth hammer is used for 4 3/4" to 6" direct drilling and 6.5"7" over burden drilling. with the years of experience, we are providing 4 3/4" digger dth hammers to our esteemed clients. these hammers are used in bench drilling, underground production drilling, exploration and foundation drilling.

Supanchor r32 anchor bar coupling for rock anchoring. features . supanchor® self drilling anchor system is a bolting solution for difficult ground and rock conditions. the system enables drilling and grouting in one operation, making much saving in jobsite and project time. applications . tunnelling ground engineering. 1.

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