Item 160563: Siegmund Connecting Bolt XL for System 16, double burnished. Siegmund lists it for connecting 2 components, specifically tables and U-squares, as a fixed long-term connection, and names it for joining System 16 clamping blocks. It is hardened and has both a hexagon socket and an external hexagon. BTH Sales is the exclusive Canadian importer of Siegmund.
Important: Siegmund says the Fast Clamping Bolt 160511 must not be used for connecting tables and U-shaped squares. Use a connecting bolt such as this one to fasten a Square U-Shape to the table.
Specifications
| Siegmund article | 160563 (siegmund.com) |
|---|---|
| Description | Connecting Bolt XL double burnished |
| System | Siegmund System 16 (Ø16 mm bores, 50 mm grid) |
| Length | 38 mm (1.50 in) |
| Weight | 0.06 kg (0.13 lb) |
| Components connected | 2 |
| Hex socket | size 6 |
| External hexagon | size 17 |
| Shearing force, rated per bolt | 50 kN |
| Tensile force, steel, rated per bolt | 10 kN |
| Tightening torque, steel | 86 Nm |
| Finish | Burnished, hardened |
| Elongated holes | Not suitable (Siegmund) |
| Aluminum profiles | Not suitable (Siegmund) |
| Pack quantity | Sold individually |
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Compatibility
- Fits: Siegmund System 16 welding tables and System 16 Square U-Shapes with Ø16 mm bores on a 50 mm grid.
- Square U-Shapes: Siegmund's System 16 U-square pages say the square is firmly bolted to the table with Connecting Bolts (Item No. 160563).
- Clamping blocks: Siegmund says individual table sizes can be achieved by connecting several System 16 clamping blocks (160272.P 400x200x200, 160280.P 300x300x100, 160290.P 500x500x100) using Connecting Bolts (Item No. 160563).
- Siegmund Workbench: Siegmund says the Workbench is compatible with all System 16 accessories. It comes with a steel plate or with aluminum table profiles; this bolt is not suitable for aluminum profiles (Siegmund).
- Do not substitute: the Fast Clamping Bolt 160511. Siegmund says it must not be used for connecting tables and U-shaped squares.
- Not compatible: System 28 (Ø28 mm) tables; Siegmund builds each system around one bore size.
- Care & grounding: anti-spatter spray, CleanBasic cleaner, Ground Connection Comfort (S16/S28).
What's included
Sold individually: each unit is one Siegmund Connecting Bolt XL double burnished (160563).
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
- Fastening System 16 Square U-Shapes to the welding table (Siegmund).
- Joining System 16 clamping blocks to build individual table sizes (Siegmund).
- Siegmund recommends System 16 for light to medium-duty work and precision fixtures; its close 50 mm grid lets small components be fixed with high precision.
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
Can I use a fast clamping bolt to connect U-squares?
No. Siegmund says the Fast Clamping Bolt 160511 must not be used for connecting tables and U-shaped squares. Use a connecting bolt such as this Connecting Bolt XL, which Siegmund lists for a fixed long-term connection of tables and U-squares.
Can it join System 16 clamping blocks?
Yes. Siegmund says individual table sizes can be achieved by connecting several clamping blocks using Connecting Bolts (Item No. 160563). This applies to the clamping blocks 160272.P, 160280.P and 160290.P.
Can I use it in an elongated hole or an aluminum profile?
No. Siegmund says the Connecting Bolt XL is not suitable for elongated holes and not suitable for aluminum profiles. The Connecting Bolt with Collar (160583 to 160585) is suitable for elongated holes.
Does it fit the Siegmund Workbench?
On the steel-plate Workbench, yes: Siegmund says its Workbench is compatible with all System 16 accessories and has Ø16 mm boreholes on a 50x50 mm grid. On the aluminum-profile version, no: Siegmund says the Connecting Bolt XL is not suitable for aluminum profiles.
Related parts
- Siegmund System 16 Square U-Shapes
- Siegmund System 16 Clamping Blocks
- System 16 Connecting Bolt
- System 16 Connecting Bolt with Collar
- All Siegmund System 16 bolts
Ships across Canada from 5 Industrial Rd, St. Marys, ON N4X 1G2, or pick up from our warehouse. Most orders ship within 1–2 business days. For an accurate shipping timeline, contact us and we'll give you a delivery estimate. Email sales@bthsales.ca or call 519-461-1381 with questions or for a freight quote.
