mth hard rock drill bit online manufacture

HQ High quality Top sale diamond core drill bits for hard rock mining Core Drilling Tools Product information: The synthetic diamond poly crystalline is manufactured by sintering the fine grains of synthetic ... Read More

PQ impregnated diamond coring drill bit for hard rock Core Drilling Tools Product information:The synthetic diamond polycrystalline is manufactured by sintering the fine grains of synthetic monocrystals and at ... Read More

Semi Ballistic Hard Rock Drill Bit , 89mm T45 Button Bit Description Retrac button bits are made by high quality alloy steel bar and tungsten carbides. Under the process of heat treatment, Minetechs drilling ... Read More

Hard Rock 45mm R32 Drill Bit For Extension Drifter Rod Rock Drilling Bit Description Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment. ... Read More

Drill Bit R32 45mm 9 Buttons ISO9001 Hard Rock Mining Product information: Minetech manufactures rock drill bits. The R32 threaded button bit is the most important size for underground benches and long hole ... Read More

42mm Button Drill Bit For Mining Rock Drilling Bits Description: We manufactuer various tapered button bits in different degrees as below: Bit diameter: 32mm ~ 48mm; Tapered degree: 446', 7, 11, 12; Shank sizes... Read More

Button Bit 11 Degree Rock Drilling Tools 38mm Hard Rock Drilling Bits Features: 1.All button bits raw material produced. 2.Simple structure and not broken easily 3.Hole straightness, high speed and deep hole ... Read More

7/11/12 Degree hard stone drilling bits with tungsten carbide 36mm taper button bit Rock Drilling Tools Features: 1. Tapered button bits connect with tapered drill rod for drilling holes 2. Stale and mature ... Read More

Product Description: Rock Drilling Bits for rock drilling, a kind of top hammer , is mainly used with hydraulic drill rods (pneumatic drill rods) and hydraulic rock drills (or pneumatic rock drills) in top ... Read More

T45 89mm Retrac Rock Drilling Bit Drop Center Type Components Description Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can ... Read More