Bonded Seal Washers - 1" BSP Nitrile Sealing Washer. Self Centralising Dowty. 1" BSP self centralising bonded sealing washer. Bonded Seal Washers - 1/4" BSP Nitrile Sealing Washer. Bonded Seal Washers - 3/8" BSP Nitrile Sealing Washer.
eBay