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
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