







🛠️ Lock it down with confidence — the ultimate fastener upgrade!
This 340-piece Starlock Internal Tooth Locking Washer kit features premium 65 manganese steel washers with a black oxide finish for superior corrosion resistance and durability. Sized from M3 to M12, these washers provide reliable locking power by exerting spring force to prevent loosening in machinery, automotive, and industrial applications. Packaged in a compact, organized case, this assortment is designed for professionals and DIYers seeking quick, dependable fastening solutions.
| Manufacturer | AT |
| Part number | AT-044 |
| Item Weight | 220 g |
| Product Dimensions | 17 x 10 x 2.2 cm; 220 g |
| Manufacturer reference | AT-044 |
| Size | M3/M4/M5/M6/M8/M10/M12 |
| Colour | black |
| Finish | Black Oxide |
| Material | Manganese Steel |
| Shape | Star |
| Number of Pieces | 340 |
| Head Style | Star |
| Batteries Required? | No |
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