Rock Drill Rod
Rock Drill Rod
Rock Drill Rod

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Rock Drill Rod

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Model No. : H22,H25
Brand Name : Jingyanggang

Product description

Specifications 1.Tapered Drill Rod Manufacturer & Supplier

2.ISO9001-2000 quality

3.10 years supply rock drill tool

4.High quality;low price

Taper Drill Rod: Features: 1) Different sizes available 2) Tapered drill rods: a) Raw materials: 55 SiMnMo, 95 CrMo b) Shank size: H22 x 108mm (7/8 x 4 1/4 ) c) Taper: 6, 7, 11, 12 degree etc. d) Length under collar (mm): 610, 1220, 1830, 2000, 2435, 2740, 3050, 3660  
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