5/16 inch ID x 3/4 inch OD (fits/seals 5/16 inch size fastener) 20 Gauge Hot-Dip Galvanized Steel with Bonded EPDM Rubber Washer. 1000/Box. Price/Box.
- Shipping leadtime: 1-3 business days.
ASTM A-527 20 Gauge Hot Dip Galvanized Steel. Black EPDM Rubber, 70 durometer hardness per ASTM D2000. Overall thickness 0.130 inch before compression. Available compression about 0.030 inch. EPDM thickness about 0.065 inch.
Also available with backing materials of galvanized steel, high tensile aluminum, 304 stainless and 316 stainless steel, with facing (sealing) materials of neoprene or EPDM, and in boxes of 1000 - 2000. Please email for current pricing and available sizes.
similar product terms: seal washer, sealing washer, stainless steel sealing washer, flashing washer, anchor washer, bonded sealing washer, roofing washer
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