Ofishin Jakadancin 40 50 60 saukar da ramin dutsen rawar soja bit farashin

A cikin hawan DTH, dutsen hawan dutse shine ci gaba na shank, wanda piston drill piston ya buga kai tsaye.Tun da piston yana cikin hulɗa kai tsaye tare da bit ɗin rawar soja, ƙaramin kuzari ya ɓace.Wannan yana ba wa DTH hakowa kusan adadin shiga tsaka-tsaki ko da kuwa tsawon rami.
Launi: Green, Blue ko Bisa ga bukatun Abokin ciniki
An haɗa raƙuman DTH tare da guduma masu dacewa (ta hanyar hako diamita da ƙayyadaddun spline).Abokan ciniki za su iya keɓance ragowar DTH ɗin su ta hanyoyi daban-daban, kamar canza bayanan saka bayanan tungsten carbide (mai siffar fuska, ballistic, da sauransu), bayanin martabar fuska (fuskar lebur, concave, convex, da dai sauransu), da ramukan ruwa.