Best current price£11.56from The Range
Shopping.co.uk recommended and popular offers
The Range£11.56Visit shop Unifix Square Pressed Nuts Din 562 Bzp - M6 X 1.00 - Nspmrz06 000 - Grey
Visit shop8 offers from £11.56 - £19.00
View price history by clicking the chart icon.
The Unifix Square Pressed Nuts DIN 562 M3 are essential fasteners for professional engineers and DIY enthusiasts looking for reliable, space-saving mounting solutions. Designed specifically for M3 x 0.50 thread sizes, these nuts offer robust clamping strength and a durable bright zinc-plated finish that resists common corrosion, though users should ensure they are not used in highly acidic or marine environments where stainless steel would be more appropriate.
| Colour | Grey |
|---|---|
| Model Part Number | Nspmrz03 000 |
| Brand | Unifix |
Yes, they are compatible, but be mindful of galvanic corrosion if used in wet or outdoor environments when mixing different metals.
No, these are DIN 562 nuts intended for general mechanical and light structural use; they are not rated for critical load-bearing structural steel applications.
These nuts have a standard M3 x 0.50 thread pitch.
Yes, they can be reused as long as the threads are not stripped and the zinc coating remains intact.
The square shape prevents the nut from rotating within a square slot or hole, making it easier to tighten bolts without needing a spanner on the nut side.
Bright Zinc Plating offers limited protection; it is best for dry indoor environments and is not recommended for constant outdoor exposure.
Check the thread pitch of the bolt to ensure it is M3 x 0.50; verify that there is no paint or debris clogging the nut threads.
Ensure the slot or hole is perfectly sized for a square nut; if the opening is too large, the nut will not be able to lock against the walls.
For optimal performance, ensure that the bolts being used are also M3 x 0.50. When installing into channels or slots, confirm that the cutout size accommodates the square dimensions of the nut to prevent it from spinning during the tightening process. While the bright zinc plating is durable, these fasteners should be kept in a dry environment. If you are working in a humid climate, avoid exposing the box to moisture to prevent "white rust" (zinc oxidation) from forming on the nuts before they are even used. Periodically check fasteners in vibration-heavy applications, as standard nuts may require a thread-locking compound to prevent loosening over time.
