Designed to meet the latest developments in MDF board. Tri-Lock threadform and shank incorporates the benefits of a single coarse thread with a twin thread start on the same screw. Spiral point breaks through the hard, dense surface, allowing the twin thread to engage. The twin thread is reduced to a single coarse thread, enabling high pull-out retention. Underhead ribs for self-countersinking. Zinc and yellow-passivated.

Brand Name	MDF-Tite
Colour	None
Material	Carbon Steel
Manufacturer Model No	70134
Wear Type	None
Type	MDF Screws
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Head Type	Double Self-Countersunk with Underhead Ribs
Thread System	TS Thread System Offers a Single & Twin Thread in One, Gripping Fast with a Firm Fix
Screw Finish	Net-Coat Yellow-Plated
Screw Diameter	3.9mm
Screw Length	45mm
Screwdriver Type	PZ
Thread Length	Partially Threaded