7 11 12 Taper Rock Drill Stem
Brand Name:SANSUNG
Certification:ISO SGS
Model Number:Taper Drill Rod
Minimum Order Quantity:100 pcs
Delivery Time:20-30 days
Payment Terms:T/T
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Location:
Xiamen Fujian China
Address:
No.13, Jinzhong Rd, Huli District, Xiamen, China
Supplier`s last login times:
within 28 hours
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Product Details
Taper drill rod, another name called taper rod, taper drill steel. It has a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end.
The length of the taper drill rod is available from 0.6 m to 5.6 m, measured from the collar to the bit end.
Technique Specifications:
- Steel grade: 95CrMo Equivalent to SANDBAR 20 or C253, 55SiMnMo
- Shank size: Hex19*108, Hex22*108, Hex25*108, Hex25*159
- Length: 0.4m to 5.6m
- Taper degree: 6°, 7°, 11° and 12°
- Package: in wooden case or bundles
7 11 12 Taper Rock Drill Stem
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