3M™ Dual Lock™ Reclosable Fastener SJ3463 is designed to deliver a durable, reclosable fastening solution, which can be opened and closed multiple times. This circular piece part fastener is most commonly attached by counter-sunk head screws or with rivets, facilitating a flush fit for your mating parts.
FEATURES:

• Black, interlocking mushroom-shaped heads (400 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
• Mates with Type 170 and Type 250 stem densities to provide different strength combinations
• Round 13/16 inch diameter piece part with a 0.16 inch counter sunk hole features a rigid polyolefin backing that allows for attachment with screws or rivets
• Strong fastener secures with an audible snap, verifying closure
• This hidden fastener provides a snug fit and smooth aesthetic appearance
• Features good temperature resistance of 220°F (104°C)