Factory photograph of a2 a4 nuts. Finishes shown are examples — all fifteen catalogue finishes are available on this item.
A2 A4 Nuts
A2 and A4 stainless nuts in SUS302, 304, 305, 316, 410 and 430, in property classes A2-70, A2-80, A4-70 and A4-80 to match the bolt they are going on.
- M0.8 – M42
- 2mm – 3000mm
- A2-70, A2-80, A4-70, A4-80
- SUS302 / 304 / 305 / 316 / 410 / 430
- Quoted as a matched set with bolts and washers
Specification
- Item code
- BF-132
- Product group
- Nuts
Item code BF-132 follows our internal catalogue reference — quote it and we know exactly which line you mean. Figures shown are the specification range this item is made to, not a stock list.
Selection options
Every option below can be specified against this item. Head and drive are chosen independently of each other, and of the point and thread form.
| Head types | Options |
|---|---|
| Available | Flat · Pan · Hex washer head · Hex washer flange · Bugle · Wafer · Pan washer · Oval · Flower · Truss · Round |
| Drive types | Options |
|---|---|
| Available | Phillips · Square · Pozidriv · Square + Phillips · Torx · Slotted · Phillips + slotted |
| Point types | Options |
|---|---|
| Available | TEK#1 · TEK#2 · TEK#3 · TEK#4 · TEK#5 · Type 17 |
| Thread forms | Options |
|---|---|
| Available | Type-A · BSB · CSB · Hi-low · Machine · Double |
| Surface finishes | Options |
|---|---|
| Available | Plain · Zinc plated · Colour zinc · Blue zinc · White zinc · Black zinc · Black phosphate · Grey phosphate · Black oxide · Dacrotized · Ruspert · Xylan · Nickel · Bronze · Spray paint |
| Additional requests | Options |
|---|---|
| Available | Serration under head · Without washer · With bonded washer · With PVC washer · With steel + EPDM washer · With rubber washer · With head mark · With wing · Slotted + wing |
Questions we get asked about this item
Does the nut have to match the bolt grade?
It has to be at least as strong. A weaker nut strips before the bolt reaches its design load, and the connection never develops its drawn strength.
Do you make nyloc and flange nuts?
Tell us the type and size you need and we will confirm what we can quote.
Also in Nuts
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Longer Hex Washer Head Tek Screws
Long hex washer head self-drilling screws in yellow zinc, for fixings that have to reach through insulation or a build-up of layers
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Pan Framing Tek Screws
Pan framing self-drilling screws — the screw used for light gauge steel framing, where studs and tracks have to be joined quickly an
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Truss Tek Screws
Truss head self-drilling screws with a washer face, supplied zinc plated.
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Truss Tek Screws (BF-153)
Truss head self-drilling screws in a yellow zinc finish.
View specificationRelated reading: self drilling vs self tapping · finishes and salt spray · materials and property classes
Quote A2 A4 Nuts
Send diameter, length, head, drive, material, finish and quantity. If the combination you need is not on the standard matrix, send a drawing instead.