R25 Thread Shank End Rod with R25 Button Bits and Coupling Sleeve

• Standard: ISO9001
• Length: 0.4-4.8m
• Usage: Coal Mining, Ore Mining, Rock Drilling
• Material: High Manganese Steel
• Color: Black
• MOQ: 10 PCS Each Size
• Model NO.: R25 shank end rod
• Steel Grade: G3
• Steel Material: 55simnmo or 95crmo Steel
• Delivery: Within 25days
• Condition: 100% New
• Processing: Forging
• After Sale Service: Yes
• OEM/ODM: Yes
• Transport Package: Plywood
• Specification: Hex22/Hex25/Hex28
• Trademark: Sansung
• Origin: China
• HS Code: 72288000
• Production Capacity: 10000m/Month

Product Description

HEX shank size is 22x108MM, 25x108MM, 25x159MM, 28x159MM, and drill rod end connect bit with thread R22,R25,R32 for small hole drilling.
We manufacture shank end rods in the following threads: R22, R23, R25, R28, R32, mainly focus on the stone quarrying such as granite, marble, limestone, sand stone quarries drilling , diameter of hole range from 38mm-50mm at most.

- 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.