Product Description
Metric A2 stainless steel locking half thin nuts to DIN 439 for locking and space-saving fastening applications. These thin pattern lock nuts are suitable for engineering, maintenance, fabrication, restoration and general workshop use where a low-profile nut is required.
Manufactured from A2 stainless steel with metric thread, these half nuts are ideal for locking against a standard nut or for use where limited thread height is available. Suitable for use with bolts, set screws, studs and threaded bar in corrosion resistant applications. Available in sizes from M2 to M20.
Please select the required metric thread size and pack quantity from the dropdown options. Specifications are intended as a guide only, so if dimensions are critical it is best to check before ordering.
Thread Type: Metric
Standard: DIN 439
Material: A2 Stainless Steel
Nut Type: Locking Half / Thin Nut
Size Range: M2 to M20
| A | B | C | D |
| 2mm | 4mm | 1.2mm | 0.4 |
| 3mm | 5.5mm | 1.8mm | 0.5 |
| 4mm | 7mm | 2.2mm | 0.7 |
| 5mm | 8mm | 2.7mm | 0.8 |
| 6mm | 10mm | 3.2mm | 1 |
| 8mm | 13mm | 4mm | 1.25 |
| 10mm | 17mm | 5mm | 1.5 |
| 12mm | 19mm | 6mm | 1.75 |
| 14mm | 22mm | 7mm | 2 |
| 16mm | 24mm | 8mm | 2 |
| 18mm | 27mm | 9mm | 2.5 |
| 20mm | 30mm | 10mm | 2.5 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.