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Steel Base Plates
Steel Base Plates — Made to Order
Steel base plates cut to your exact size and drilled to your bolt pattern — square, rectangular or round, in mild or stainless steel, as single plates or batches.
- ShapesSquare, rectangular, round or custom profile
- HolesPlasma cut, drilled, slotted, countersunk or tapped — to your pattern
- MaterialsMild steel or stainless steel (grade to your specification, confirmed at quotation)
- ThicknessTo your drawing — tell us the plate thickness and we'll confirm it at quotation
Made to order · Price on application · One-offs and batch quantities
REQUEST A QUOTEor call 0151 547 1221Base plates cut to your size and hole pattern
A base plate does one job: spreads the load from a post, column, frame or machine onto whatever it's fixed to, and gives you somewhere to put the bolts. The size, thickness and hole positions are what make it fit — which is why stock sizes so often end up being re-drilled on site.
We plasma cut base plates to the dimensions on your drawing, with the hole pattern positioned from the same program so every plate in a batch lines up with the last. Holes can be plasma cut, drilled to size, slotted for adjustment, or countersunk, depending on the bolts and the tolerance you need.
Mild steel, stainless and fabricated base plates
Mild steel is the usual choice for frames, posts and equipment that will be painted or galvanised afterwards. Stainless steel suits wet, washdown and outdoor locations where you don't want to rely on a coating. We can also weld a stub of box section, tube or angle to the plate, or add gussets, so it arrives ready to fix.
Typical requests include machinery and pump baseplates, base plates for square tube and SHS posts, mounting feet for frames and skids, and replacement plates for existing equipment.
Load-bearing and structural use
We manufacture to the drawing and specification you give us. Where a base plate forms part of a structure or carries a significant load, plate thickness, material grade, weld size and bolt sizing should come from your engineer. We don't currently supply CE/UKCA-marked structural steelwork.
Technical information
| Shapes | Square, rectangular, round or custom profile |
|---|---|
| Holes | Plasma cut, drilled, slotted, countersunk or tapped — to your pattern |
| Materials | Mild steel or stainless steel (grade to your specification, confirmed at quotation) |
| Thickness | To your drawing — tell us the plate thickness and we'll confirm it at quotation |
| Fabrication options | Welded post stubs, gussets, stiffeners |
| Finish | Supplied as cut and deburred; coating options discussed at quotation |
| Cut tolerance | Typically within ±0.5 mm, depending on thickness |
Materials
- Mild steel
- Stainless steel
Processes
- CNC plasma cutting
- Drilling
- Slotting
- MIG/TIG welding
Customisation
- Overall size and corner radius
- Number, size and position of holes
- Slotted holes for adjustment
- Welded stub, tube or gussets
- Batch quantities
Applications
- Machinery, pump and motor bases
- Frames and equipment skids
- Posts and box-section uprights
- Replacement plates for existing equipment
How to order
Send your drawing (DXF, DWG or PDF) or a dimensioned sketch with the material, thickness and quantity. We'll check it, ask about anything unclear, and reply with a price and lead time. Once approved, parts are made in our Knowsley workshop for collection or UK delivery.
Questions we're often asked
Can you match an existing base plate?
Yes — send a dimensioned sketch or photo with measurements of the hole centres and we can draw and cut a matching plate.
Do you weld posts or tubes to base plates?
Yes. We can MIG or TIG weld box section, tube or angle to the plate and add gussets. See our post base plates page for that type of assembly.
Can you supply galvanised base plates?
Plates are supplied as cut. If you need galvanising or another finish, mention it with your enquiry and we'll confirm what we can arrange.
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Need steel base plates?
Send your drawing or sketch and we'll come back with a price and lead time.