Name: T38 extension rod for underground mining drilling tools
Brand: beentools

Description

T38 Extension Rod Series Overview

This series of extension rods is round with T38 thread specifications and is available in three different types: T38 male thread to T38 male thread extension rod, T38 female thread to T38 male thread extension rod, and T38 threaded guide tube.

T38 Extension Rod Specifications

Male thread (external thread) T38 round 39 to male thread (external thread) T38.
Female thread (internal thread) T38 round 39 to male thread (external thread) T38.
Guide tube: female thread (internal thread) T38 round 56 to male thread (external thread) T38.

Technical Information

Length: Available in 1220 mm, 1525 mm, and 1830 mm.
Weight: Ranges from 10.0 kg to 17.4 kg; detailed information is provided in the table.
Material: High-strength alloy structural steel, 23CrNi3Mo.
Manufacturing process: Forging process, full carburizing process, high-frequency treatment, and phosphating process.

Technical Parameters

T38 extension rod for underground mining drilling tools
Extension rod	L (mm)	L (foot)	D (mm)	D (inch)	Thread	Order number	Weight (kg)
T38-Round39-T38	1220	4	39	1 1/2	T38	280-3912-7676	10.0
	1525	5	39	1 1/2	T38	280-3915-7676	12.4
	1830	6	39	1 1/2	T38	280-3918-7676	14.9
T38-Round39-T38 MF rod	915	3	39	1 1/2	T38	290-3909-7676	8.3
	1220	4	39	1 1/2	T38	290-3912-7676	10.9
	1525	5	39	1 1/2	T38	290-3915-7676	13.3
	1830	6	39	1 1/2	T38	290-3918-7676	15.8
T38-Round56-T38 Guide tube	1220	4	56	2 1/8	T38	200-5612-7676	12.6
	1525	5	56	2 1/8	T38	200-5615-7676	14.0
	1830	6	56	2 1/8	T38	200-5618-7676	17.4

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T38 extension rod for underground mining drilling tools