Star Drive Serrated Head Cement Board Screws, #9 x 1-1/4 in., 185-Pack
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PRODUCT DESCRIPTION
Backer-On Rock-On 1-1/4 in. cement board screws (185 pack) are the top choice for securing cement boards. The unique serrated head countersinks to sit flush at any angle, ensuring a smooth surface for tiling. The star drive recess allows for easy one-handed installation and prevents cam outs. The high-quality corrosion-resistant finish stops rust from seeping into grout, making these screws ideal for damp areas like bathrooms and kitchens.
• Serrated head for flush seating at any angle
• Star drive with T-25 bit for simple one-handed use and no cam-outs
• Serrated threads need less torque for quicker installation
• Sharp point design for immediate pick-up, no pre-drilling needed
• Patented design enables attachment close to edges on cement boards, minimizing fractures or blowouts
• High-quality corrosion-resistant finish
• Suitable for attaching cement board to wood or light gauge steel studs
• Meets ANSI A108.11 standards for cement board attachment
PRODUCT SPECIFICATIONS
Screw Length: 1-1/4 in
Fastener Type: Cement Board Screws
Package Quantity: 185
Fastener Material: Carbon Steel
Drive Style: Torx
Fastener Color: Green
Fastener Material: Carbon Steel
Fastener Type: Cement Board Screws
Features: Self Tapping
Head Style: Flat Head
Included: Driver Bit
Interior/Exterior: Interior
Measurement System: Inches
Package Quantity: 185
Product Weight (lb.): 1.16 lb
Returnable: 90-Day
Thread Style: Hi-Lo Thread
Manufacturer Warranty: Backer-On® Rock-On®Limited Warranty - ITW Brands warrants that this product is free from defects in material and workmanship. ITW Brands’ sole liability for any breach of this warranty shall be to replace this product or refund the purchase price.
Screw Length: 1-1/4 in
Size: #9
Thread Pitch (mm): 2.6 mm
Threads Per Inch (TPI): 9.8