Tapered drill rods
Negotiable
Min.Order:1
Shandong Yanggu Rock Drilling Tools Factory
tapered drill rods:
1):Raw materials: 50SiMnMo, 95CrMo
2):shank size: H22Χ108mm (7/8"Χ4¼"). H25Χ108mm(1''Χ4¼").
3):Length under collar:600mm,800mm,1200mm,1800mm,2400mm,2800mm,3600mm.