أداة أخرى لحفر الثقوب Factory Direct，Customized for Piling Rig, Compatible with Kelly

1. About SW Kelly Bar

SW Kelly Bar is China’s largest professional manufacturing base for Kelly bars. With over 20 years of in-depth technical expertise, we focus on high-performance drilling solutions for deep-hole and hard-rock operations. As a leading OEM supplier for mainstream drilling rig brands, our full range of products is fully compatible with all well-known global rig models. We also provide a complete portfolio of Kelly bars, used drilling rigs, used Kelly bars and integrated drilling tools to meet diverse project demands.

Our Advantages
20+ years of professional expertise in Kelly bar manufacturing
1000+ sets of Kelly bars produced annually
10000+ sets of Kelly bars in service worldwide
60000+ ㎡ dedicated Kelly bar production facility
Abundant stock & fast delivery
Full range of Kelly bars compatible with all major drilling rig models
Authorized OEM supplier for leading Chinese drilling rig manufacturers
Learn more: إظهار قائمة الأسماء

2. Core Barrel Key Parameters

Diameter Range: 600mm – 2500mm
Shell Height: 800mm / 1300mm (customizable)
Shell Thickness: Upper 20-25mm, Bottom 40mm
Cutting Teeth: 9 – 44 pcs (matched to diameter)
Weight Range: 530kg – 2400kg
Kelly Box Options: 150×150, 200×200, 250×250 (customizable for any kelly bar)

3. Product Features
Rock bits on cutting ring release rock internal stress for efficient drilling
Stage-breaking design for hard rock formation
Small barrel for coring, large barrel for staged crushing
Suitable for backfill, medium weathered rock, bedrock

4. Customization Notes
Custom cutting diameter available on request
Adjustable shell height to improve single-drilling efficiency
Kelly box size customizable for all kelly bar models