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Collar screw M8 for brackets

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Zinc-plated steel collar screw M8x20 for fixing brackets in slot C10: multi-function head for 13 mm spanner or Torx T40, wide flange and Polyfleck on the thread for secure engagement with the T-nut.

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Code: 3842541246
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  • Brand
  • Slot mm
  • ESD
  • Thread
  • Tightening torque Nm
  • Diameter mm
  • Technical notes
  • Material
  • Length mm

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Bosch 5SP
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Specifications

Brand Bosch Rexroth
ESD yes
Diameter mm 21
Thread M8
Tightening torque Nm 25
Technical notes Head SW13 / Torx T40; for angles 40/40 and 60/60
Slot mm 10
Material Zinc-plated steel
Length mm 18 mm
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Bosch 5SP

It is a coating on the thread that increases friction with the T-nut: the nut grips securely while you tighten the screw.

For brackets with slot C10, except 40x40 and 60x60, for which there is the M8x18 version. If you use brackets in sets, the screws are already included.

It is the width of the profile slot and determines which accessories you use. Slot C6 (6 mm) is for 20 series profiles, C8 (8 mm) for the 30 series, C10 (10 mm) for profiles from the 40 series upwards. Nuts, screws, brackets and cover caps are chosen by slot: each accessory's product page shows the right one.

Yes. You can order the full bar or the piece cut to the length you need: we do the cutting ourselves, in our workshop. Each profile's product page shows the maximum bar length and the minimum cut length.

Look at the moments of inertia Ix and Iy: the higher they are, the less the profile deflects under load. For the same section, “L” profiles are lightened and deflect a little more. For long spans or high loads move to a larger section or a tall profile (e.g. 45x90 instead of 45x45). If you send us drawing and loads, we will check the choice.

The T-nut is inserted from the front into the slot, even in an assembled structure, and positions itself when you tighten the screw: it is the standard choice for fixing accessories. The sliding block withstands higher forces, but normally has to be inserted from the profile end before closing the frame; spring versions stay where you put them.

The simplest way is the bracket, which joins two profiles at 90° with screws and nuts in the slot, without machining. For end, T, 45° or three-way connections there are dedicated connectors, some of which require profile machining as stated on their product page.

Yes, for several accessories (for example cover caps, hinges and nuts) there are conductive ESD versions, indicated in the name or variant. Tell us which EPA area you work in and we will confirm the components to use.

On each product page you will find the MGE catalogue pages to download as PDF, with dimensioned drawings and technical data; the Specifications tab shows the data for the variant you have chosen.

Yes. Send us the parts list or a sketch with dimensions: we give you codes, quantities and cut lengths and prepare the kit with profiles already cut and the accessories.