Rock-On #9 x 1-1/4 in. Phillips High Low Threaded Wafer-Head Cement Board Screws (800-Pack)-23305 at The Home Depot
Discontinued

Rock-On

Model # 23305

Internet # 202055940

Store SKU # 716597

#9 x 1-1/4 in. Phillips High Low Threaded Wafer-Head Cement Board Screws (800-Pack)


Rock-On #9 x 1-1/4 in. Phillips High Low Threaded Wafer-Head Cement Board Screws (800-Pack)
 

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

$22.86 / each
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PRODUCT OVERVIEW

Model # 23305

Internet # 202055940

Store SKU # 716597

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

  • Ideal for attaching durock and wonderboard to light gauge steel
  • Use these screws on a variety of projects including work with bathtubs, showers, countertops and flooring applications
  • Steel construction
  • Climacoat coating provides protection against rust and corrosion
  • 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-out 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

SPECIFICATIONS

Assembled Depth (in.)  .177 in  Assembled Height (in.)  1.25 in 
Assembled Width (in.)  .177 in  Drive Style  Phillips 
Driver bit included  Yes  Fastener Callout Size  #9 x 1-1/4 
Fastener Thread Type  Hi-Lo  Fastener Type  Specialty Fastener 
Finish  Climacoat  Finish Family  Gray 
Head Style  Flat  Indoor/Outdoor  Indoor 
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.  Measurement Standard  SAE 
Package Quantity  800  Primary Use  Attaching Durock, Wonderboard, and other glass-mesh cement board to wood or light gauge steel 
Product Weight (lb.)  .006 lb  Returnable  90-Day 
Screw Length  1-1/4 in  Self drilling  Yes 
Self tapping  Yes  Size  #9 
Tamper Resistant  No 

CUSTOMER REVIEWS

Rated 3 out of 5 by 6 reviewers.
Rated 5 out of 5 by Why is this so confusing? Why are people using ROCK-ON screws for Hardibacker? They should be using BACKER-ON screws. These particular screws are meant for Wonderboard. These people call themselves "Pros"?? Sounds like they need a bit of re-education. I've been using these screws for over 10 years with no problems. August 19, 2014
Rated 5 out of 5 by Previous reviews and this product. I've been using these screws on CEMENT BOARD and they work just great. Hardiebacker is a different type of material. You should use the product on the material it is designed for before you start saying its a back product. Seems like operator error led to your bad experiences. November 1, 2013
Rated 1 out of 5 by Steer clear of the phillips head version Stick to the square drive head version of these backer screws! You will waste a lot of the phillips head screws and they will not drive flush on Hardibacker 500. I would guess a fifth of the phillips box was at least torn up during installation. Whether they are deep enough (flush to surface) or totally stripped out was just a matter of luck. I went back to the square drive screws with the same great success I had in the past. Do NOT waste your time or money on the phillips head screws. September 13, 2013
Rated 1 out of 5 by Avoid PHILLPS head and use SQUARE head screws. Almost every other screw is slipping and wont go sub-surface which is a BIG problem for tile installation... Buy square head screws instead of Phillips and you will have one less problem to deal with. February 27, 2014
Rated 5 out of 5 by Get these! These are much better and easier to use than the name brand the goes with the sheet rock. August 13, 2013
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