Toughcore Diesel Drilling Rig Extension Rod - Various Sizes

• Customization: Available
• Length: According to The Customer Request
• Usage: Coal, Ore, Drilling
• Model NO.: R32/R38/T38
• Power Type: Diesel
• Type: Core Drilling Rig
• Condition: New
• Size: Many
• Transport Package: Hob
• Specification: SGS, ISO9001, GE
• Trademark: KATO
• Origin: China
• HS Code: 84018487
• Production Capacity: 20000PCS/Pre Month

Product Description

Extension rods are made by hollow drill steels; There are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. And the threads can be used for connecting couplings, shanks, couplings or bits.
Usually for extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.
(1)Steel grade: Male-Male Rod, MF Rod
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51,
(3) Rod size: Hex. 22mm, hex. 25mm, hex. 28mm, hex. 32mm, hex. 35mm, dia. 39mm, dia. 46mm. Dia. 52mm
(3)Length: 0.4m-6m
(4)Package: In wooden case or in bundles.
(5)Productivity: 20000MT / month

Product Name:	rock drilling rod
Description:	rock drilling rod Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type.
Material:	Alloy steel bar
MOQ:	No MOQ required for testing and trial order
Steel grade	Male-Male Rod, MF Rod
Thread type	R22,R25,R28,R32,R38,T38,T45,T51
Diameter	25mm-76mm
Length	400mm-6000mm