Hex. 22*108 mm Shank End Rod for Small-Hole Drilling

• Length: 250mm - 3550mm
• Usage: Natural Dimensional Stone Quarrying
• Material: Tungsten Carbide
• Hex: 22*108mm
• Threadt Type: R25 R28 R32
• Hole Size: Small Hole 40-50 mm
• Model NO.: R22 R25 R32
• Suitable Rig: Pneumatic Rock Drill
• Type: Drill Rods
• Use: Well Drilling
• Transport Package: Steel Wire
• Specification: SGS, CE, ISO9001
• Trademark: Prodrill
• Origin: China
• HS Code: 84671900
• Production Capacity: 5000 PCS / Month

Product Description

Hex. 22*108 mm Shank End Rod for Small-Hole Drilling


Product description :
shank size is 22 x 108mm, and 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.

And more, Pro-drill 's comprehensive range of bench and production rock drilling tools includes everything from 1''rope thread equipment all the way up to T60 thread equipment, Many customers say that the Pro-drill rods, tubes and button bits are the best on the market today. Let's just say they will improve productivity considerably.

Shank rods specification.
 

Shank size	Length in mm	Thread type
22X108	250	R25
22X108	400	R25
22X108	1830	R25
22X108	2440	R25
22X108	3050	R25
22X108	250	R28
22X108	400	R28
22X108	1830	R28
22X108	2440	R28
22X108	3050	R28
22X108	250	R32
22X108	400	R32
22X108	1830	R32
22X108	2440	R32
22X108	3050	R32
25X108	SAME L.	R25-R32