Liaocheng Jinquan Construction Machinery Co.,Ltd - China manufacturer of rock drilling tools button bits top hammer rock tools DTH hammer button bits
                                                                                                           
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Since 1984
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Tapered Drill Rod

Price Negotiable
Price: $50
MOQ: 1 Piece
Delivery Time: Within 15 days upon receipt of your 30% deposit
Brand: Jinquan
Product Description
Tapered drill rod is connected with jack hammer rock drills via forged hex steel collar, and when connected with tungsten carbide drill bits/head, with the method of pyramidal/conical structure. The normal conical degree is 6, 7, 11, 12 etc.
 
This type of tapered rod is most widely used in various types of drill rods, owning the largest proportion in the drilling tools fields. The hollow small section of drill rod mainly include hexagonal 19mm, 22mm, 25mm, 28mm.
 
(1) Steel grade: 95CrMo equivalent to SANDBAR 61.
(2) Shank size: hex.22mm*108mm, hex.22mm*159mm.
hex.22mm*80mm, hex.25mm*108mm. hex.25mm*159mm.
(3) Taper: 6, 7, 11, 12 degree etc.
(4) Length: 0.4m-10m.
 
Always tapered drill rod are used for ore mining, tunnelling, railways, highways, water and electricity construction, foundation drilling works etc.
 
 
 

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Company Liaocheng Jinquan Construction Machinery Co.,Ltd - China manufacturer of rock drilling tools button bits top hammer rock tools DTH hammer button bits
Location No.16, Industrial Park, Xihu Town, Yanggu County, Liaocheng City, Shandong Province, China (252311)
Contact Person David Zhang

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