Double countersunk head. Single thread, corrosion-resistant stainless steel decking screws. Ribbed Under Head to Assist Self-Countersinking Stainless Steel Construction Deep Coarse Thread for Secure Fixing & High Pull-Out Resistance Sharp Point & Thread...

PZ. Single thread, carbon steel decking screws. Organic coating. Partially threaded. Double-Countersunk Head with Underhead Ribs 40° Thread for Secure Fixing & High Pull-Out Resistance Brown Organic Coating Carbon Steel Construction Wax-Coated Partially...

Single thread, tri-lock, corrosion-resistant stainless steel deck, outdoor and marine screw for all pressure-treated timber and hardwoods. Spiral point penetrates timber surface, part thread prevents 'jacking-up' and no cam-out with square recess. Net-Coat...

Single coarse thread wafer head timber screws. Suitable for fencing, roofing, decking and landscaping. High corrosion resistance ideal for external use. Type 17 slash-point for reduced timber splitting. Sharp point for easy penetration. Partial thread...

Corrosion-resistant coating for use in outdoor applications. Unique Tri-Lock thread form to allow flex. Case-hardened. Single thread for reduced wood split. Partial thread eliminates deck to joist parting during insertion. Double-Countersunk for a Smooth...

Single coarse thread hex head timber screws. Suitable for fencing, roofing, decking and landscaping. High corrosion resistance ideal for external use. Type 17 slash-point for reduced timber splitting. Sharp point for easy penetration. Partial thread increases...

Single coarse thread wafer head timber screws. Suitable for fencing, roofing, decking and landscaping. High corrosion resistance ideal for external use. Type 17 slash-point for reduced timber splitting. Sharp point for easy penetration. Partial thread...

Corrosion-resistant coating for use in outdoor applications. Unique Tri-Lock thread form to allow flex. Case-hardened. Single thread for reduced wood split. Partial thread eliminates deck to joist parting during insertion. Double-Countersunk for a Smooth...

Single coarse thread wafer head timber screws. Suitable for fencing, roofing, decking and landscaping. High corrosion resistance ideal for external use. Type 17 slash-point for reduced timber splitting. Sharp point for easy penetration. Partial thread...

Single coarse thread hex head timber screws. Suitable for fencing, roofing, decking and landscaping. High corrosion resistance ideal for external use. Type 17 slash-point for reduced timber splitting. Sharp point for easy penetration. Partial thread increases...