Backer-On® Rock-On® screws are the premier fastening solutions for installing cement boards. The patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile installation. The star drive recess combined with a Stikfit™ bit supports easy one-handed installations and eliminates cam-outs. The premium corrosion resistant finish prevents rust from bleeding into grout, making Backer-On® Rock-On® screws the perfect choice for use in high moisture areas such as bathrooms and kitchens.
Backer-On® cement board screws are designed for attaching fiber cement board such as HardieBacker®* to wood or light gauge steel framing.
Rock-On® cement board screws are designed for attaching fiberglass reinforced cement board such as Durock®* and WonderBoard®* to wood or light gauge steel framing.
Backer-On® Rock-On® Stikfit™ Bits unique design eliminates wobble and offers one-handed installation when combined with Backer-On® and Rock-On® Cement Board Screws.
The ITW Construction Full Line Catalog provides a complete listing of all product types and sizes.
*HardieBacker - Registered trademark owned by James Hardie, not affiliated with ITW
*Durock - Registered trademark owned by USG, not affiliated with ITW
*WonderBoard – Registered trademark owned by Custom Building Products, not affiliated with ITW