Mf / mm Thread Extension Rock Drill Rods / Speed Rods St58

• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• MOQ：10 PCS
• Length：1220-6095mm
• Package：Plywood Box

=== Base Info ===

• Processing：Forging
• Color：Customized
• Loading Port：Qingdao, China
• Transport Package：Plywood Box
• Specification：Round 32, Hex 32
• Origin：China
• Production Capacity：5000 Pieces , Month

=== Description ===

Basic Info.

Processing Forging Color Customized Loading Port Qingdao, China Transport Package Plywood Box Specification Round 32, Hex 32 Origin China Production Capacity 5000 Pieces / Month

Product Description

Factory low price R32 T38 T45 T51 T60 ST58 ST68Bench Drilling Extension rods

For extension rod and M/F steel process, the below two different types of heat treatment are used to strengthen high speed and powerful percussive drill string components to maximize their performance and reliability. Longer steel larger in diameter, conventional extension steel, Hexagonal and round cross sections are available.

Drilling tools: Shank adapters + Extension rods + Guide tube + drilling button bits

T51 Bench drilling Extension rod


T60 Bench drilling Extension rod



T58 Bench drilling Extension rod



T68 Bench drilling Extension rod




Our factory pic


Package pics for reference

Factory :1. We have 10-year engineering experience on drilling
We can provide detailed solution for you by email,phone and even video if you have any problems while drilling
2. Professional quality control system
 Advanced equipment , International quality certification and ecperienced worker
3. In-time delivery
 3 days if in stock; 15-20 days for production
4. Good after-service
   1) Full compensation if it occurs that buttons are out ,broken and the body broken while button is worn less than 1/3 
    2) 24-hour online service
5. Strong production capacity
   10000 pcs per month