Ground Engineering Tool Hollow Steel Self Drilling Rock Bolts
Model: Self Drilling Rock Bolts
Type: T-Thread / R-Thread
Bolt,Coupler,Nut,Plate,bit
>> Application
Integral Drill Steels are a fixed length with a shank at one end and a bit at the other ,and are able to drill to a depth equivalent to their effective length.The bit may consist of single chisel-shaped tungsten carbide insert or three such inserts.To drill deep holes,the rods are designed to be used in a series where the length of any rod used in longer than the one used just before it.
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