low price high quality tapered steel hex25*159mm 7 degree taper rod for tunneling

Application

Tapered drill rod,another name called taper rod, tapered drill steels, This provides 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. Tapered steel lengths— available from 0.6m to 3.6 m in length—are measured from the collar to the bit end.

Characteristics

Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.

For drilling medium-hard to hard and abrasive rock formations,Taper angles of 11 and 12-degrees are
normally used on modern drill rigs, like YT28B, YT29A, Y24, YT24, Mobile rock drill pneumatic and hydraulic.

For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as
Indian, Saudi's granite and marble quarry.

A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degreetaper.

Specification

Packing&Delivery

Service

In our after sales service system, We establish outstanding control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.

We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.

About Us

JCDRILL provide users high quality Mining & Drilling solutions,we always focus on the strategic conception of "Survival by quality, Development by credit''.

We have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig,Mud pump and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and outstanding service network, which establish our brand "JINCHENG" a good image of market, now,we products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.

With excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also.

Certification

FAQ

Contact Information

Hello!   Sean Zhao Sales Manager Mob/Whatsapp:+8617813226231     Beijing Jincheng Mining Technology Co.,Ltd. Tel:+86 10 84673566 Fax: 0086 10 51617069 Email:drillingrigs (at) Web:

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