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Drill rod MF T51-R52-T51

Code No.: MF-T51-R52-T51-L3660
Type: MFThread: T51-T51
Length: 1830mm, 3050mm, 3660 mm, 4270mm
Shape: Round

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It is common practice to bump up the drive end of drifting drill steel for added strength at the rock drill end to accommodate larger diameter and shank adapters. Drill steel of rock drilling tools is available in many standard lengths to match the drill feeds on a multitude of available drifting jumbos. A rock drill bit diameter closer to the steel diameter can be used since the coupling does not enter the hole, this enhances flushing and hole accuracy.

T51 MF ROD with length 700mm, 3050mm, 3660mm, 4270mm and other sizes available for customization.


Male/Female (M/F) Steel


Male/Female drill steel provides more rigid connections and is easier to uncouple and handle. The service life also tends to be better than with separate couplings. This is fortunate because the coupling end cannot be replaced.

MF-T51 Extension Drill RodMF-T51 Extension Drill Rod

The advantages of drilling with M/F extension drill steel include: easy handling, quicker uncoupling, tighter connections and the potential to drill straighter holes.


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Contact: Chris Li

Phone: 13867850196

E-mail: sales@bloommachinery.com

Whatsapp:+86 13867850196

Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province