For fiberglass, wood or sheet-metal. Course thread, 18-8 Stainless Steel - Excellent corrosion resistance in chemical, marine, and other corrosive areas. Can be mildly magnetic. Great for trim tabs if you have a fiberglass hull with a wood strengthened transom.
Specs: See picture two for drawing. 9.5mm Long from under the screw head to tip. 2.9mm Thread diameter 5.6mm Screw head diameter 1 screw per bag.
