Integral Drill Steel Without Tips Hollow Hexagonal Drill Steel Rod Prodrill
Product features:
It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling
bore hole diameter from 30mm to 41mm usually. Each rods use premium quality alloy steel and excellent quality tungsten
carbide to assure high drilling performance.
Integral drill steel without tips
This drill steel is widely used in stone quarrying and very popular in India.Its common length as 800mm,1600mm,2400mm
and 3200mm.
The chemical composition of the integral drill steel without tips is as below:C:0.9%--1.0%, SI:0.15%--0.4%, MN:0.15%-0.4%,
CR:0.8%-1.2%, MO;0.15%--0.3%,HRC38.5
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