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Cement Board Screws Rock-On No. 9 X 1-5/8" L Star Flat Head Zinc-Plated

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Backer-On 23510 Cement Board Screws Rock-On No. 9 X 1-5/8" L Star Flat Head Zinc-Plated

Item #: 23510 by ITW BRANDS

UPC #: 092097235106

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$14.93

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Features

Product Type

Cement Board Screws

Velocity

N

Sub Brand

Rock-On

Self Tapping

Yes

Returnable

Yes

Hazardous Material

No

Each Weight

1.100 LB

Driver Bit Included

Yes

Defective Code

A

Callout Size

No. 9

Indoor or Outdoor

Indoor

Packaging Type

Clamshell

Self Drilling

Yes

Number in Package

140 pk

Drive Style

Star

Drive Size

T25

Color

Green

Head Type

Flat Head

Length

1-5/8"

Application

Multi-Purpose

Material

Steel

Thread Type

Serrated

Finish

Zinc-Plated

Product Overview
Backer-On Rock-On 1-5/8 in. cement board screws are designed for attaching Hardie Backer or equivalent fiber cement backer board to wood or light gauge steel studs. Backer-On Rock-On's patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile. The Star drive recess with T-25 bit provides Stikfit for 1-handed installation. Backer-On Rock-On screws feature a Climacoat corrosion-resistant finish that prevents rust from bleeding into the grout and are perfect for use in high-moisture areas such as baths, showers, countertops, and floors. Conforms to ANSI A108.11 for cement board attachment. Backer-On Rock-On screws can be installed with a standard impact or drill/driver.