The single slash on screws longer than 25mm minimizes torque and prevents timber from splitting, even when installed close to the edge — an essential benefit for professional-grade results. 𝗦𝗧𝗥𝗢𝗡𝗚 𝗔𝗡𝗗 𝗥𝗘𝗟𝗜𝗔𝗕𝗟𝗘 𝗙𝗜𝗫𝗜𝗡𝗚: Timco 6.0 x 40 Rainwater Screws are engineered for installing PVCu gutters, brackets, and downpipes.
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