McMaster 94708A517 Galvanized Steel and Neoprene Bonded Sealing Washer, Pack of 50, for 1/2" Screw Size, 0.532" ID, 1" OD, 0.086" to 0.116" Thick 23K285 Schedule 80 walls for good

Schedule 80 walls for good strength in medium-pressure applications

Each wrench has a straight head with standard measurements for SAE sizes 5/16 to 1 1/8"

5/64 in Titanium PILOT POINT(R)

Maximum Climbing Height (D)

green PVC jacket

McMaster 94708A517 Galvanized Steel and Neoprene Bonded Sealing Washer, Pack of 50, for 1/2" Screw Size, 0.532" ID, 1" OD, 0.086" to 0.116" Thick 23K285 Schedule 80 walls for goodThese washers create a stronger seal than metal or rubber alone to lock air and fluid in, while keeping dust and contaminants out. The flexible rubber layer compresses to fill gaps, while the metal backing stops the washer from squeezing through the hole. These washers are a great solution if you have a hole larger than your fastener that you need to seal. Reuse them a handful of times, as long as the material isn't damaged. Galvanized Steel and