We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 distinct branches. For much more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Bench Drilling L3660mm Spherical T38 MF Pace Extension Drill Rods

Extension Rod
Create Hexagonal and round cross sections, Hexagon rods are much more rigid, heavier and transfer strength a lot more efficiently, although growing flushing. Round rods are generally lighter than hexagonal rods and are generally employed in extension drilling programs. With the more time steel tending to be larger in diameter, typical extension metal is characterised by a replicate thread on each and every stop of the steel.,

Male/Female (M/F) rod, velocity rod
M/F drill steel is an option to couplings sleeves to consist of the woman part of the threaded link as an integral element of the drill steel. M/F drill steel provides much more rigid connections and is less complicated to uncouple and handle. The service life also tends to be better than with individual couplings. The advantages of drilling with M/F metal incorporate: Easy dealing with, more quickly uncoupling, tighter connections, the potential to drill straighter holes, and more time service existence.
For Extension Rod and M/F steel process, the beneath two distinct varieties of warmth treatment method are used to bolster substantial pace and strong percussive drill string elements to increase their performance and dependability. More time metal larger in diameter, standard extension metal, Hexagonal and spherical cross sections are offered.
– Carburization is a approach utilised to harden the complete rod floor each internally and externally to strengthen and lengthen the life of the rod.
– High Frequency Induction is a process where only the thread finishes of the rod are hardened to lengthen thread daily life.

Extension rod dimensions
R32-Round32-R32 duration 3 4 6 8 ten 12 ft
T38 (R38) Round39-T38 (38), length 4′ 6′ 10′ 12’ft
T45 -Round46-T45, duration 10′ 12′ 14′ 20′ ft
T51 -Round52-T51, duration 12′ 14′ 20′ ft

MF rod /velocity rod measurement
MF-rod R32-Round32-R32, size 3 4 5 6 ten 12 fourteen ft
MF Rod T38-Round39-T38, size 4 5 6 ten 12 14 ft
MF Rod T45-Round46-T45, size 5 6 ten twelve fourteen 20 ft
MF Rod T51-Round52-T51, length 6 twelve fourteen twenty ft
MF Rod ST58-Round60-ST58, size twelve 14 20 ft

(1)Metal quality: 20CrNi3Mo equal to SANDBAR 64
Measurement: Hex. 22mm. Hex. 25mm, hex. 28mm. Hex. 32mm hex. 35mm
Dia. 32mm. Dia. 38mm, dia. 45mm dia. 51 mm
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60
(3)Size: .4m-10m

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 diverse branches. For a lot more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of authentic tools manufacturer’s (OEM) element figures or logos , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our company and the listed substitution elements contained herein are not sponsored, accredited, or created by the OEM.