Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling
Suitable for drilling in strong/middle/weak weathered rock of foundation piles.
Models: B47K22H
Material: Tungsten carbide: YG11C + 35MnB.
Unit weight: 1.25kg
Suitable for drilling in strong/middle/weak weathered rock of foundation piles.
Models: B47K22H
Material: Tungsten carbide: YG11C + 35MnB.
Unit weight: 1.25kg