Bullet Teeth B47K C31 Drilling Bits For Drill
Description
Application: Suitable for drilling in strong/middle/weak weathered rock of foundation piles. Material: Tungsten carbide: YG11C, HRC88-92 + 42CrMo. Models: C31HD, B47K19H, B47K22H. Parameters AdvantagesBullet Teeth B47K C31 Drilling Bits For Drill