

Angle bushings that connect System 28 clamping pipes at 45° (280770) or 90° (280771). Siegmund says that with a threaded bushing 280618.N, the angle bushing can also be used with a threaded arbor. The axial distance to the arbor is 40 mm. BTH Sales is the exclusive Canadian importer of Siegmund.
Specifications
| Item no. | 280770 (siegmund.com) | 280771 (siegmund.com) |
|---|---|---|
| Siegmund name | Angle Bushing 45° for clamping pipe | Angle Bushing 90° for clamping pipe |
| System | Siegmund System 28 (Ø28 mm bores, 100 mm grid) | |
| Length | 80 mm (3.15 in) | |
| Width | 40 mm (1.57 in) | |
| Height | 40 mm (1.57 in) | |
| Weight | 0.31 kg (0.68 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: 280618.N Siegmund System 28 - Thread Bushing, 280772 Siegmund System 28 - Angle Socket.
- 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 Angle Bushing 45° for clamping pipe (280770)
- 1 x Siegmund Angle Bushing 90° for clamping pipe (280771)
Typical uses
- Building clamping pipe frames at 45° or 90°
- Adding a threaded arbor with the thread bushing
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
What do the angle bushings connect?
Siegmund says they are used with a clamping pipe (280750, 280642). 280770 sets 45° and 280771 sets 90°.
Can I use a threaded arbor with them?
Yes. Siegmund says that by using a threaded bushing 280618.N, the angle bushing can be used in combination with a threaded arbor. The axial distance to the arbor is 40 mm.




