Telescopic Kelly Bar
AssemblyNested telescopic bar of 3-5 sections that transmits torque and crowd to the tool and reaches drilling depths of 30-90 m. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Telescopic Kelly Bar parts and their functions
5 top-level parts · 22 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Kelly Bar Section | 4× | Telescoping kelly sections |
| 2 | Kelly Guide Bushing | 8× | Guide and drive bushings |
| 3 | Kelly Interlock Stop | 4× | Interlock stop blocks |
| 4 | Tool Coupling | 1× | Bayonet tool coupling |
| 5 | Kelly Swivel 3 parts | 1× | Kelly head swivel |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Telescopic Kelly Bar
5 top-level lines · 8 rows shown · 22 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Kelly Bar Section | rotary-bored-piling-rig-kelly-section | 4× | 4 | · | part |
| 2 | Kelly Guide Bushing | rotary-bored-piling-rig-kelly-bar-bushing | 8× | 8 | · | part |
| 3 | Kelly Interlock Stop | rotary-bored-piling-rig-kelly-stop | 4× | 4 | · | part |
| 4 | Tool Coupling | rotary-bored-piling-rig-tool-coupling | 1× | 1 | · | part |
| 5 | Kelly Swivel 3 parts | rotary-bored-piling-rig-swivel | 1× | 1 | 5 | assembly |
| 5.1 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 5.2 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 5.3 | Swivel Body | rotary-bored-piling-rig-swivel-body | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the telescopic kelly bar is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
|
🇨🇳PCBWay
pcbway.com ↗
|
Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |