Carbon steel, coarse single thread. Non-threaded shank allows 2 materials to be pulled tightly together. Double-Countersunk Head with Underhead Ribs Deep High / Low Thread for High Pull-Out Resistance & Waste Extraction Silver Organic Coating Carbon Steel...

Serrations on lower thread for quick and safe fastening. Non-threaded shank allows 2 materials to be pulled tightly together. Upper thread locks the deckboard securely. Cylindrical head for fixing into the groove of the deckboard. Supplied in a handy...

Timbadeck Carbon steel Decking screw (Dia)4.5mm (L)65mm Pack of 1300.This pack of Pozidriv drive recess double countersunk head decking screws are constructed from durable carbon steel they are 65mm in length and come partially threaded. They have 40°...