


SIEGMUND SYSTEM 28 - VARIO PRISM Ø 50 90° / 120° WITH SCREWED-IN COLLAR
Siegmund's Prisms and Supports are compatible with all 28mm fixture tables. Manufactured in Germany, Siegmund's Prisms are made with the highest quality standards on the market. That way, you can take on any job with confidence using Siegmund tooling.
Siegmund's System 28 Prisms are designed for pipes of significant diameter. Throughout the design process, Siegmund ensures that the final product creates the perfect support surface for large, round piping. A screw-in collar is able to be fastened in the boreholes of any 28mm fixture table, and assuredly secured with ease. The collar can also be unscrewed from the prism, allowing operators to position the prism independently from the table's borehole grid. Additionally, Prism Extensions can be used to change the working height for any task and Prisms are available in Polyamide to eliminate marking and scratching on softer materials.
Technical Data:
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Item No.: 280645.1 Vario Prism Ø 50 90° / 120° with screwed-in collar ‐ burnished
Product description
Item No.: 280645.1.A Vario Prism Ø 50 90° / 120° with screwed-in collar ‐ Aluminum
Product description |
Item No.: 280645.1.PA Vario Prism Ø 50 90° / 120° with screwed-in collar ‐ Polyamide
Product description |
Works with this product
Compatibility
- Siegmund System 28: fits every System 28 Siegmund table, including the Professional Extreme 8.7 and 8.8 PLUS tables listed on bthsales.ca; Siegmund's page cross-references 009410, 280649; on a System 16 table it needs Siegmund's Reduction Bushing 28->16 (000546, suits boreholes and elongated holes) with System 16 bolts, or the Combination Fast Clamping Bolt 28->16 (000520); neither is listed on bthsales.ca.
Related: System 28 Countersunk Bolt M16 · System 28 Prism Extension 25-150 · All Siegmund System 28 prisms and supports · Siegmund System 28 welding tables
Frequently Asked Questions
What pipe sizes does the S28 Vario Prism Ø50 take?
Siegmund says it suits both round and 45° twisted square pipes with a diameter of up to 50 mm.
How is it fixed in the bore?
The screwed-in collar fastens it in the boreholes, and Siegmund says it is securely fixed with the M16 countersunk screw 009410. Unscrew the collar to position the prism off the hole grid.
Which material should I choose?
This page offers burnished (280645.1), aluminum (280645.1.A) and polyamide (280645.1.PA). Siegmund uses polyamide prisms for scratch-prone surfaces.

