The Mounting Square works as a stop or angle element and for attaching more squares. Siegmund says it can also connect welding tables with support and foundation rails, using countersunk bolts 280528 or fast clamping bolts 280511. BTH Sales is the exclusive Canadian importer of Siegmund.
Specifications
| Item no. | 280107.N (siegmund.com) |
|---|---|
| Siegmund name | Mounting Square nitrided |
| System | Siegmund System 28 (Ø28 mm bores, 100 mm grid) |
| Length | 75 mm (2.95 in) |
| Width | 150 mm (5.91 in) |
| Height | 75 mm (2.95 in) |
| Material thickness | 25 mm (0.98 in) |
| Weight | 2.9 kg (6.39 lb) |
Works with this product
Compatibility
- Fits: Siegmund System 28 welding tables and tooling with Ø28 mm bores.
- Not compatible: System 16 (Ø16 mm) tables; Siegmund builds each system around one bore size.
- Related products: 280528 Siegmund S28 Flush Mount Bolt, 280511 Siegmund S28 Fast Clamping Bolt without Slot.
- Care & grounding: anti-spatter spray, CleanBasic cleaner, Ground Connection Comfort (S16/S28).
What's included
- 1 x Siegmund Mounting Square nitrided (280107.N)
Typical uses
- Using as a stop or angle element
- Attaching additional squares
- Connecting tables to support and foundation rails
Engineering support & demos
Engineering support comes with your purchase: fixture design, layout drawings, CAD and 3D models, site visits and cobot cell planning, handled by Travis Hardcastle at BTH Sales or by Siegmund directly. Live demos at our St. Marys showroom are by appointment (book a demo), and we offer video demos if you are outside Ontario. BTH Sales is family-owned, founded in 2001, and has been the exclusive Canadian importer of Siegmund since 2018.
Industries served: Siegmund's published practical examples show its welding tables and tooling in these sectors: Agriculture; Interior; Lighting and electrical engineering; Machine tools and plant construction; Measurement and testing technology; Motorcycle engineering; Revolving door systems; Robotic technology; Stage technology; Stainless steel processing; Steel, sheet metal and metal construction; Textile production; Train Construction; Vehicle construction; Welding technology; Woodworking.
Ships across Canada by freight from 5 Industrial Rd, St. Marys, ON N4X 1G2, or pick up from our warehouse. Email sales@bthsales.ca or call +1-519-461-1381 for a freight quote and delivery estimate.
Frequently Asked Questions
Which bolts should I use with the Mounting Square?
For connecting welding tables with support and foundation rails, Siegmund recommends countersunk bolts 280528 or fast clamping bolts 280511.
Does it have an elongated hole?
No. Siegmund lists the Mounting Square 280107.N with boreholes and no elongated hole. It measures 75 x 150 x 75 mm, 25 mm thick, and weighs 2.9 kg.




