
Spring Washers (Forbes "BBBB")
Split spring washers, including Forbes "BBBB".

Flat washers that spread load and protect the surface.
Plain washers spread the clamping load over a bigger area and protect painted or soft surfaces from the nut. Use hardened washers with 10.9 and 12.9 bolts.
Standard, large-OD (DIN 9021) and heavy structural washers in stock.
| Standards | DIN 125, ISO 7089, DIN 9021, IS 2016 |
|---|---|
| Sizes | M3 to M64 |
| Material | Mild steel, hardened steel, SS 304, SS 316 |
| Finish | Plain, zinc plated, hot-dip galvanised |

Split spring washers, including Forbes "BBBB".

Part-threaded bolts in grade 8.8, 10.9, 12.9 and stainless.

Fully threaded hex screws for tapped holes and clamping.

Grade 12.9 Allen cap screws from Unbrako and TVS.

90° flat-head socket screws that sit flush with the surface.

Low, rounded heads for a neat, safe finish.