Threaded Rock Drilling Tools for Drilling ,extension rod speed rod
Detailed Photos Extension rod, other names are
Extension drill steel, Extension drill rod, and Extension steel,
M/F rod ( Speed rod ) , Produce Hexagonal and round cross sections,
Hexagon rods are more rigid, heavier and transfer energy more
efficiently, while increasing flushing. Round rods are generally
lighter than hexagonal rods and are normally used in extension
drilling applications. With the longer steel tending to be larger
in diameter, conventional extension steel is characterized by a
duplicate thread on each end of the steel. Male/Male
rod,Male/Female(M/F)Rod-Speed rod M/F drill steel is an
alternative to couplings sleeves to include the female part of the
threaded connection as an integral part of the drill steel.
M/Fdrillsteelprovidesmorerigidconnectionsandiseasiertouncouple and
handle. The service life also tends to be better than with separate
couplings. For Extension Rod and M/F steel process, the below
two different types of heat treatment are used to strengthen high
speed and powerful percussive drill string components to maximize
their performance and reliability.-Cannibalization is a process
used to harden the entire rod surface both internally and
externally to strengthen and extend the life of the
rod. - High Frequency Induction is a process where only the
thread ends of the rod are hardened to lengthen thread
life. Drifter rod, another names are tunneling steels,
tunneling rod, drifting drill rod, has Round and hexagon rod
available, most of drifting drill steel with drill Steel Hexagon is
for tunneling and drifting drilling application. Hexagon rods are
more rigid, heavier and transfer energy more efficiently,while
increasing flushing. It is common practice to bump up the
drive end of drifting steel for added strength at the rock drill
end to accommodate larger diameter and shank adapters. Drill steel
is available in many standard lengths to match the drill feeds on a
multitude of available drifting jumbos.Two different types of heat
treatment are used to strengthen our percussive drill string
components to maximize their performance and reliability.
Cannibalization and middle frequency induction surface quenching as
two process for strength the total quality and performance and
life. Product Name:Extension rod / Drift
rodDescription:Extension rodThread drill rod Made with best quality
carbon steel bar,through heat treatment like famous
brandsMaterial:carbon steel barMOQ:5pcsBody TypeRound shape
and hexagonal typeThread
typeR25,R28,R32,R38,T38,T45,T51DiameterHex25,Hex28,Rd32,Rd38,Rd45,Rd51TypeThread
Extension Rod and MF rodLength600mm-6400mm Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits Big hole
high air pressure DTH hammer using in water well, oil, gas and
construction drilling Eccentric overburden drilling
Equipment Hole opener bit Rock thread bit (R22,
R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60) Extension Rod,
M/F Rod, M/m Rod, Drift Rod, Shank adapter, coupling sleeves and
all kinds of adapters Advantages: Compared with the oversea
brands, our advantages are bellowing: a. Our products can match
over 95% against the original products b. Price are competitive
against the famous brands and best quality against the small
factory About Us: 1. Our factory has been
specialized in manufacturing drilling tools and spare parts for
over 10 years. 2. We have advanced technology and
equipment. 3. Our technician has more than 13
year's professional working experience. 4. Rock
drilling tools are exported throughout the world. Main market:
Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran,
Philippines, Thailand, India, etc. /* March 10, 2023 17:59:20
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