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One-stop-shop – a total solution we offer a complete range of dth drilling tools including hammers, bits, pipes, adapters, reverse circulation products, breakout benches and grinding machines with consumables. innovation and commitment over the decades the history of the down-the-hole hammer manufacturing goes back more than four decades.

Bd dth hammers are available in holes sizes from 3.5 inches to 24 inches in diameter and up to 32 inches in diameter with the bd drill drill bits. 6 inch hammer is the most used type hammer for all kinds of projects, in order to meet different customer' s request, we produce wide range of bit shank dth hammer for all your needs, below our main type 6 inch dth hammers specifications …

73mm, 89mm, 91mm, 114.3mm, 139.7mm nw hw casing pipe. description: 1. our nw hw pw casing tubes are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy. 2. they are manufactured from seamless steel tube by cold drawn.the material is xjy850/30crmnsia which meets the global standard. 3.

The optimum range of hole size for dth drilling is 90 mm (3.5”) to 254 mm (10”). smaller holes are generally drilled using tophammer drill rigs, and larger holes generally use rotary drill rigs. 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”).

We're suppliers of all kind of mission 60 Down the hole bit producer moved in market for great sales, we've mission 60 Down the hole bit producer sort and specification's that will suit our customer's satisfaction. We have also attached mission 60 Down the hole bit producer samples along with other of our needs with the above attached catalog sample.


We are suppliers of all kind of mission 60 Down the hole bit producer moved in marketplace for wonderful sales, we've got mission 60 Down the hole bit producer type and specification's that will suit our customer's satisfaction. We have also attached mission 60 Down the hole bit producer samples and also other of our requires with the above attached catalog sample.

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