Message to Our Customers
Discontinued

Rock-On

Model # 23320

Internet # 100196699

Store SKU # 353046

#9 x 2-1/4 in. Phillips High Low Threaded Wafer-Head Cement Board Screws (100-Pack)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$8.33 / each

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PRODUCT OVERVIEW

Model # 23320

Internet # 100196699

Store SKU # 353046

Rock-On #9 x 2-1/4 in. High-Low Threaded Wafer-Head Phillips Cement Board Screws (100-Pack) are ideal for attaching cement board to wood and light-Gauge steel. Use Rock-On screws for a variety of projects including bathtubs, showers, countertops and flooring applications.

  • Ideal for attaching durock and wonderboard to wood and light gauge steel
  • Use on a variety of projects including work with bathtubs, showers, countertops and flooring applications
  • Climacoat coating provides a lifetime guarantee against rust and corrosion
  • Zinc-plated steel construction
  • Deep high low threads allow quick entry and provide maximum holding power
  • Easy to install with a #2 Phillips screw driver (not-included)
  • Special rib design under head countersinks for flush seating in most board
  • No pre-drilling necessary - S-Point pre-drills hole and reduces splitting
  • Deep #2 Philips drive provides good stick fit and reduces cam-out
  • Wide .400 diameter wafer head provides greater pull-over value
  • #9 diameter screw provides extra strength and reduces head snap
  • When installing HardiBacker board, use Backer-On screws
  • Building code approved: conforms to ANSI A108.11 for cement board attachment
  • Available in 1-1/4 in., 1-5/8 in., and 2-1/4 in. lengths

Info & Guides

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SPECIFICATIONS

Dimensions
Assembled Depth (in.) 
.177 in 
Assembled Height (in.) 
2.25 in 
Assembled Width (in.) 
.177 in 
Screw Length 
2-1/4 in 
Details
Coated 
Drive Style 
Phillips 
Driver bit included 
No 
Fastener Callout Size 
#9 x 2-1/4" 
Fastener Plating 
None 
Fastener Thread Type 
Hi-Lo 
Fastener Type 
Drywall Screw 
Fastener/Connector Material 
Steel 
Finish 
Climacoat 
Finish Family 
Gray 
Head Style 
Flat 
Indoor/Outdoor 
Indoor 
Measurement Standard 
SAE 
Package Quantity 
100 
Primary Use 
Attaching Durock, Wonderboard, and other glass-mesh cement board to wood or light gauge steel 
Product Weight (lb.) 
.011 lb 
Returnable 
90-Day 
Self drilling 
Yes 
Self tapping 
Yes 
Size 
#9 
Tamper Resistant 
No 
Warranty / Certifications
Manufacturer Warranty 
ITW Brands warrants that this product is free from defects in material and workmanship and that it will not rust or corrode. ITW Brands' sole liability for any breach of this warranty shall be to replace this product or refund the purchase price. 

CUSTOMER REVIEWS

Rated 3.5 out of 5 by 2 reviewers.
Rated 2.0 out of 5.0 by Room for improvement Could really benefit from a Torx drive head. Out of a small box one was a useless screw with no threads. I would only recommend it because I do not know of a different option. Driving these through Hardi trim then siding and finally into the framing wore out a few drive bits, phillips just isn't the best for torque. September 6, 2014
Rated 5.0 out of 5.0 by Good product pulls rock board into place nicely Good product for the money holds rock board nicely in place February 17, 2012
  • 2015-07-01T13:50:25.833-05:00
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