

Items 280706 and 280707: Siegmund Quick-Change Clamp 100 and 160 for System 28 welding tables with Ø28 mm bores. They mount in the system bores, with a 100 mm or 160 mm clamping arm and a clamping range of 0–100 mm or 0–140 mm that you set with the adjusting screw. BTH Sales is the exclusive Canadian importer of Siegmund.
Specifications
| Siegmund article | 280706 (siegmund.com) | 280707 (siegmund.com) |
|---|---|---|
| Description | Quick-Change Clamp 100 | Quick-Change Clamp 160 |
| System | Siegmund System 28 (Ø28 mm bores, 100 mm grid) | |
| Length | 340 mm (13.39 in) | 360 mm (14.17 in) |
| Width | 30 mm (1.18 in) | |
| Height | 150 mm (5.91 in) | |
| Weight | 1 kg (2.20 lb) | 1.1 kg (2.43 lb) |
| Clamping arm | 100 mm (280706) / 160 mm (280707) | |
| Clamping range | 0–100 mm (280706) / 0–140 mm (280707), set with adjusting screw | |
| Mounting | System bores | |
| GTIN | 4251805920642 | 4251805920659 |
Compatibility
- Fits: Siegmund System 28 welding tables and tooling with Ø28 mm bores on a 100 mm grid. Siegmund System 28 accessories also fit other 28 mm system welding tables with Ø28 mm bores on a 100 mm grid. Compatible tables from other manufacturers are often made from different materials and to different standards, so quality varies by manufacturer, compared with Siegmund's X8.7 tool steel.
- Not compatible: System 16 (Ø16 mm) tables; Siegmund builds each system around one bore size.
- Works with: other Siegmund System 28 clamps, bolts, stops, squares and U-squares on the same table.
- Care & grounding: anti-spatter spray, CleanBasic cleaner, Ground Connection Comfort (S16/S28).
What's included
Choose one option; each option is one piece:
- 1 x Siegmund Quick-Change Clamp 100 (280706)
- 1 x Siegmund Quick-Change Clamp 160 (280707)
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. BTH Sales does not sell cobots; for cobot cells we help with table integration and fixturing (see cobot welding with Siegmund tables). 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.
Typical uses
- Fast clamping straight from the system bores (Siegmund).
- Low parts: Siegmund suggests mounting quick-change clamps on the Combi Adapter 280730.N.
- Siegmund describes System 28 as ideal for light to heavy components and designed for maximum clamping forces, multi-ton structures and high distortion forces.

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.
Frequently Asked Questions
Should I choose the 100 or the 160 quick-change clamp?
Pick by reach. Siegmund lists the 280706 with a 100 mm clamping arm and a 0–100 mm clamping range, and the 280707 with a 160 mm arm and a 0–140 mm range. Both are 150 mm high and set with an adjusting screw.
How do I mount it for low parts?
The clamp mounts directly in the system bores. For low welding components, Siegmund suggests mounting quick-change clamps on the Combi Adapter 225 (280730.N).
Will it fit other 28 mm welding tables?
Yes, if the table has Ø28 mm bores on a 100 mm grid. Check the bore diameter and grid before ordering. Compatible tables from other manufacturers are often made from different materials and to different standards, so quality varies by manufacturer, compared with Siegmund's X8.7 tool steel.
Related parts
- System 28 Combi Adapter 225 (280730.N)
- System 28 fast clamping equipment
- System 28 vertical toggle clamp
- All Siegmund System 28 welding table clamps
Ships across Canada from 5 Industrial Rd, St. Marys, ON N4X 1G2, or pick up from our warehouse. Most orders ship within 48 hours. Email sales@bthsales.ca or call +1-519-461-1381 with questions or for a freight quote.