90pc Assorted Box of Bonded Seal Washers - 90 bonded seal washers in BSP sizes from 1/8" up to 1", the type often called a Dowty washer.
A bonded seal is a metal washer with a rubber ring bonded into its inner face. As the fitting is tightened the rubber is squeezed against the seat and does the sealing, while the metal body carries the load and stops the seal being crushed out of shape. That combination holds pressures a plain fibre or copper washer would not, and the washer self centres on the thread as it goes on.
Sizes included BSP sizes from 1/8" up to 1"
Type Bonded seal washer (Dowty type), sized to BSP thread
Suitable for Hydraulic and pneumatic fittings, adaptors, plugs and banjo bolts, pumps, rams and valve blocks, plant and agricultural machinery, compressors and air lines, general fluid power
Also known as bonded seals, Dowty washers, sealing washers, self centring seals, or a bonded seal assortment box.
