Underground Mining H25 Hollow Drill Steel Industrial Water Well Drill Rods
Quantity Selection:
QUALITY | MATERIAL | WORKING SITUATION | |
NORMAL | Normal Rod + Normal Tungsten Carbide | Used on low power Rock Drll,in soft rock, mine. | |
TOP GI | 8Cr or 95CrMo Steel | Used on higher power Rock Drills ( Bigger than Y24), in middlle and hard rock. | |
TOP GII | 55SiMnMo Steel | Used on YT28 and YT29A, need big power. | |
TOP GIII | 55SiMnMo | Used on top hard rock. | |
BEST | 40SiMnCrNiMo | Better than GIII, length can reach 8m. |
Specification:
SHANK HEX(MM) | ROD HEX(MM) | SHANK LENGTH(MM) | EFFECTIVE LENGTH(MM) |
22 | 22 | 108 |
400-8000 |