Tungsten Carbide Thread Shank End Rod for Small Hole

• Length: 0.25m-3.05m
• Usage: Stone Quarry
• Material: Tungsten Carbide
• Shank Size: 22*108mm
• Shank Type: Thread
• Body Length: 250-3050mm
• Model NO.: 22*108mm
• Carbide: Steel
• Process: Gorging
• Use: Stone Quarrying
• Model: R25, R28, R32
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001
• Trademark: Prodrill
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000PCS/Months

Product Description

Shank Rod

Shank size is 22 x 108mm, and shank end drill rod end connect bit with thread way.Normally R22,R25,R32 for small hole. We manufacture shank end rods in the following threads:R22, R23, R25, R28, R32 mainly focus the stone quarrying such as granite, marble, limestone, sand stone quarries drilling , diameter of hole range from 38mm-50mm at most, Prodrill use the following special heat treament techology to process

- Carburization 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.
 

Shank size	Length in mm	Thread type	Part number
22X108	250	R25	0250-R25
22X108	400	R25	0400-R25
22X108	1830	R25	1830-R25
22X108	2440	R25	2440-R25
22X108	3050	R25	3050-R25
22X108	250	R28	0250-R28
22X108	400	R28	0400-R28
22X108	1830	R28	1830-R28
22X108	2440	R28	2440-R28
22X108	3050	R28	3050-R28
22X108	250	R32	0250-R32
22X108	400	R32	0400-R32
22X108	1830	R32	1830-R32
22X108	2440	R32	2440-R32
22X108	3050	R32	3050-R32
25X108	SAME L.	R25-R32	XXXX-RXX