This 4.5 X 75mm variant in a bulk supply of 1,000 offers maximum length for extensive heavy-duty decking applications, thick hardwood boards, and large-scale multi-layer timber installations. The combination of 75mm length and generous quantity makes this the ultimate choice for professional contractors undertaking substantial projects requiring exceptional holding power. Featuring a pozidriv head with four additional contact points, this screw eliminates cam-out when used with correct tooling, allowing confident torque application in dense materials. The extended length combined with single-thread design ensures superior pull-out resistance in the most challenging applications. The 1,000 hour green treated finish offers excellent corrosion resistance to acq treated timber, delivering long-lasting performance in professional-grade decking and heavy-duty fencing installations. Features and benefits: 4.5 X 75mm size for heavy-duty and thick hardwood applications bulk pack of 1,000 for large-scale professional projects single-thread design for higher pull-out values and faster installation prevents board splitting whilst accommodating seasonal movement green anti-corrosion treatment resists harsh exterior conditions hardened construction for the most demanding installations specifications: size mm : 4.5 Length mm : 75 finish: green anti-corrosion pack qty.: 1000