The Howmet Fastening Systems product range offers the greatest breadth and depth of fastening solutions available including: self-locking nuts, quick-release fasteners, draw latches, threaded inserts, lock-bolts & structural blind fasteners.The Howmet Fastening Systems product range offers the greatest breadth and depth of fastening solutions available including: self-locking nuts, quick-release fasteners, draw latches, threaded inserts, lock-bolts & structural blind fasteners.