Screw Jack Column
AssemblyIndividual vertical lifting column with ball-screw drive, supporting 20–50 tonnes per jack. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Screw Jack Column parts and their functions
7 top-level parts · 8 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Ball-Screw Drive | 1× | Heavy-duty ball-screw (10–16 mm pitch) |
| 2 | Ball-Screw Nut | 1× | Self-locking ball-screw nut |
| 3 | Drive Socket | 1× | Square socket engaging drive shaft |
| 4 | Lower Outer Column | 1× | Stationary outer column |
| 5 | Upper Piston Sleeve | 1× | Moving piston with load pad |
| 6 | Column Guidance Bearing | 2× | Guidance bearings (angular contact) |
| 7 | Load Pad | 1× | Hardened steel wear surface contacting frame |
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Bill of materials for Screw Jack Column
7 top-level lines · 7 rows shown · 8 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Ball-Screw Drive | railway-lifting-jacks-ball-screw | 1× | 1 | · | part |
| 2 | Ball-Screw Nut | railway-lifting-jacks-screw-nut | 1× | 1 | · | part |
| 3 | Drive Socket | railway-lifting-jacks-drive-socket | 1× | 1 | · | part |
| 4 | Lower Outer Column | railway-lifting-jacks-lower-sleeve | 1× | 1 | · | part |
| 5 | Upper Piston Sleeve | railway-lifting-jacks-upper-sleeve | 1× | 1 | · | part |
| 6 | Column Guidance Bearing | railway-lifting-jacks-column-bearing | 2× | 2 | · | part |
| 7 | Load Pad | railway-lifting-jacks-load-pad | 1× | 1 | · | part |
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Where the screw jack column 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 $0.01–$2. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| sundram.com ↗ | Chennai, IN | Fasteners | 10,000 pcs | 3–5 wks |
| lpsindia.com ↗ | Rohtak, IN | Fasteners | 10,000 pcs | 3–5 wks |
| escort-fastener.com ↗ | Suzhou, CN | Fasteners | 10,000 pcs | 3–5 wks |
| tbfastener.com ↗ | Shanghai, CN | Fasteners | 10,000 pcs | 3–5 wks |
| sterlingtools.in ↗ | Faridabad, IN | Fasteners | 10,000 pcs | 3–5 wks |