The T17 FASTLOK™ by Lakeside Construction Fasteners allows for metal panels to be stitched and secured in-place to prevent separation! With the deep major thread design the T17 FASTLOK™ will help bond metal panels together to resist panel separation when utilizing the T17 FASTLOK™ as a stitch fastener. T17 FASTLOK™ is a great affordable solution to help prevent panel overlapping gaps!