Бурение на открытых выработках и промышленное бурение

Weight
38C60DR - 2.20 kg

Model information
A, AR : HARD ROCK MODEL
B, BR : HARD + ABRASIVE ROCK
D, DR : DROP CENTER HARD ROCK
DS, DSR : DROP CENTER SOFT ROCK

Weight
38C64A - 1.70 kg
38C64B - 1.70 kg
38C64DS - 1.60 kg
38C64D - 1.60 kg
38C64AR - 2.30 kg
38C64BR - 1.90 kg
38C64DSR - 2.30 kg
38C64DR - 2.30 kg

Model information
A, AR : HARD ROCK MODEL
B, BR : HARD + ABRASIVE ROCK
D, DR : DROP CENTER HARD ROCK
DS, DSR : DROP CENTER SOFT ROCK

Weight
38C70A - 2.10 kg
38C70B - 2.10 kg
38C70D - 2.10 kg
38C70DR - 2.80 kg

Model information
A, AR : HARD ROCK MODEL
B, BR : HARD + ABRASIVE ROCK
D, DR : DROP CENTER HARD ROCK
DS, DSR : DROP CENTER SOFT ROCK