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Description
This four way cross joins slim 25mm square box section where a rail crosses an upright, for neat frames, racks and screens with no welding. The 25 x 25mm rail runs through the length of the block and the 25 x 25mm upright passes through its middle, so both members carry on unbroken. Three grub screws lock everything in place. It is galvanised for use indoors or out. The small square section gives a light, modern look for display frames, shelving, trellis and furniture. The price shown is for one fitting, with a minimum order of 10.
Why use a square four way cross
Both members run through. Neither the rail nor the upright is cut at the joint, so shelves and rails stay straight and uprights stay one piece.
Light and neat. At about 0.3 kg, the 25mm cross suits frames that are seen up close, like shop displays and furniture, where heavy scaffold fittings would look clumsy.
No tools beyond a hex key. Cut the box section, slide it through, tighten three screws. No welding, no drilling.
Adjustable. Move a shelf rail up or down the uprights by loosening the screws.
Where it is used
Shop display frames and shelving, garment rails, trellis and plant frames, light screens and partitions, workbench frames and small racks built from 25 x 25mm box.
Specifications
| What you get | One four way cross with three grub screws fitted, minimum order 10 |
|---|---|
| Fitting type | Four way cross, 90°, both members pass through |
| Suits | 25 x 25mm square box section, rail and upright |
| A: end of block to centre | 44mm (about 88mm long overall) |
| B: height | 36mm |
| C: published underside dimension | 62mm |
| Material | Malleable iron (as listed by the maker for this size) |
| Finish | Galvanised |
| Grub screws | Three, hex socket (size not published for this line) |
| Weight | About 0.3 kg |
Which 25mm square fitting goes where
| Joint | Fitting |
|---|---|
| Rail through an intermediate upright | This four way cross |
| Rail on top of an intermediate upright | 25mm square short tee |
| Rail end at an end upright | 25mm square 90° elbow |
| Joining two rail lengths over an upright | 25mm square long tee |
| Top rails at a corner | 25mm square three way corner |
| Lower rails at a corner | 25mm square three way mid corner |
| Upright to the floor | 25mm square footplate base |
How many do you need?
One for each place a rail crosses an upright and both carry on. A shelving bay with four uprights and two intermediate shelf rails front and back needs four; count each crossing on your sketch.
| Build | Four way crosses |
|---|---|
| 3-bay display frame, one mid rail | 2 |
| Trellis, 4 uprights x 3 rails, ends with tees | 6 |
| 2-bay shelving, 2 shelf levels, front and back | 4 |
Choosing the right size
Square key clamps are sized by the outside of the box section. This one suits 25 x 25mm box; measure across the flats before ordering. For heavier railings and fences in 40 x 40mm box, use the 40mm square four way cross.
Fitting and care
Cut box ends square and deburr them. Slide the cross onto the upright, pass the rail through, set the height, square everything up and tighten all three grub screws firmly with a hex key. Check them after the first week on anything that carries weight. Touch up scratched galvanising with zinc-rich paint.
Frequently asked questions
Is the price for one fitting?
Yes. The price is for one four way cross with all three grub screws fitted. The minimum order is 10, as most frames use several.
Will it fit round tube?
No. It is made for 25 x 25mm square box section only.
Is 25mm box strong enough for a guard rail?
No. 25mm square is for frames, displays and light rails. For guard rails, use 40mm square or round 42.4mm or 48.3mm tube.
Can the members cross at another angle?
No. They cross at 90°.
Ordering and delivery
Order 10 or more online, with Express UK Delivery and same-day dispatch on orders before 2pm, Monday to Friday. For a full parts list, call 01744 520 110 or email sales@industrialsuppliesco.co.uk and we will confirm availability and delivery before you order.
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Minimum order 10 pcs