We are a professional manufacturer of rock drilling tools in China. Our main products include rock drill, TBM cutter, roller cutter bits, DTH hammer, DTH bit, button bit, retract button bit, cross bit, chisel bit, drill rod, drill tube, shank adaptor, coupling sleeve, pilot adaptor, overburden drilling equipment, cutting tools which are used for mining, quarrying, tunneling, water well drilling, mineral exploration, geological prospecting, civil engineering and construction. Etc.

blast furnace tapping hole drilling tools.

1) Drill rod together with the whole steel drill bit by welding connecting

This tools are simple produced and have within our product range the most

competitive price.It can be used for drilling of short and not difficult to drill

tapping holes with soft tap hole clay and no inclusion of slag or iron.

2) Threaded Drill rods with threaded the whole steel drill bits

The drill bit makes a clean hole with a constant diameter from beginning to end.

The bit is made from wear resistant cast steel and interchangeable with different

drill rods.

we can offer H25, R28.5,R32,B32,T38 Thread tap drill bits from 32mm-

152mm,coupling,adaptor and Rod etc.

H25 thread :Cross bits and X typebits:diameter:32mm-152mm:

H25-R32 Tap hole rod.Lenth:2000mm-5000mm

R32 Cross bits 45mm-152mm,

R32-R32 drill rod:length 3000mm-6000mm

T38 thread, Cross bits 64mm-165mm ,

T38-T38 DRILL ROD 2000mm-6000mm

3) Drill rods with thread copper welded Tunsgten Carbide bits

For very difficult tap holes with hard clays and some inclusions of slag and

iron.It is made of a high alloy steel with cooper welded tungsten carbide point tips

4)package:in carton

5)supply ability:10000pcs/month

6)delivery time:30days

7)payment terms:T/T or L/C