Model # 23406

Internet #300661899

Store SKU #1002419405

Backer-On #9 x 1-1/4 in. Serrated Head Star Drive Cement Board Screws (750-Pack)
0092097234062

Backer-On

#9 x 1-1/4 in. Serrated Head Star Drive Cement Board Screws (750-Pack)

  • Serrated head for flush seating
  • Star drive with T-25 bit for one-handed installation
  • Serrated single lead thread and sharp point for immediate pick up
$ 26 28
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Serrated head for flush seating
  • Star drive with T-25 bit for one-handed installation
  • Serrated single lead thread and sharp point for immediate pick up
The Backer-On 1-1/4 in. Cement Board Screws are designed for attaching HardieBacker or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-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 StikfitTM for one-handed installation. Backer-On screws feature a Climacoat corrosion resistant finish that prevents rust from bleeding into 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 screws can be installed with a standard impact or drill/driver and T-25 Star drive bit (included with product) for cement board fastening done right.
  • Serrated head design for flush seating even at an angle
  • Star drive with T-25 bit provides StikfitTM for easy one-handed installation and eliminates cam-outs
  • Patented sharp point offers immediate pick-up and eliminates the need to pre-drill
  • Serrated thread forms require less torque for faster installation
  • Patented design allows attaching close to edge on cement board, drastically reducing fractures or blow outs
  • Premium corrosion resistant finish
  • Use to attach cement board to wood or light gauge steel studs
  • Ideal for use in high moisture areas such as showers, backsplashes, countertops, and floors
  • Conforms to ANSI A108.11 standards for cement board attachment

Product Overview

  • Serrated head for flush seating
  • Star drive with T-25 bit for one-handed installation
  • Serrated single lead thread and sharp point for immediate pick up
Model #: 23406
Sku #: 1002419405
Internet #: 300661899

The Backer-On 1-1/4 in. Cement Board Screws are designed for attaching HardieBacker or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-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 StikfitTM for one-handed installation. Backer-On screws feature a Climacoat corrosion resistant finish that prevents rust from bleeding into 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 screws can be installed with a standard impact or drill/driver and T-25 Star drive bit (included with product) for cement board fastening done right.

  • Serrated head design for flush seating even at an angle
  • Star drive with T-25 bit provides StikfitTM for easy one-handed installation and eliminates cam-outs
  • Patented sharp point offers immediate pick-up and eliminates the need to pre-drill
  • Serrated thread forms require less torque for faster installation
  • Patented design allows attaching close to edge on cement board, drastically reducing fractures or blow outs
  • Premium corrosion resistant finish
  • Use to attach cement board to wood or light gauge steel studs
  • Ideal for use in high moisture areas such as showers, backsplashes, countertops, and floors
  • Conforms to ANSI A108.11 standards for cement board attachment

Info & Guides

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Price
$24.38
$26.28
$26.44
Name #9 x 1-1/4 in. Serrated Head Star Drive Cement Board Screws (750-Pack) #9 x 1-1/4 in. Serrated Head Star Drive Cement Board Screws (750-Pack) #9 x 1-5/8 in. Serrated Head Star Drive Cement Board Screws (575-Pack)
Brand Rock-On Backer-On Backer-On
Ratings (28) (64) (48)
Size #9 #9 #9
Screw Length 1-5/8 in 1-1/4 in 1-5/8 in
View Product View Product View Product

Specifications

Dimensions

Screw Length
1-1/4 in
Thread Pitch
0

Details

Color Family
Green
Drive Style
Star
Fastener Plating
Zinc
Fastener Type
Drywall Screw
Fastener/Connector Material
Steel
Features
Coated,Self Drilling,Self Tapping
Finish
Zinc-plated
Head Style
Flat Head
Included
Driver Bit
Interior/Exterior
Interior
Measurement Standard
SAE
Package Quantity
750
Product Weight (lb.)
4.66 lb
Returnable
90-Day
Size
#9

Warranty / Certifications

Manufacturer 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.

Specifications

Dimensions

Screw Length
1-1/4 in
Thread Pitch
0

Details

Color Family
Green
Drive Style
Star
Fastener Plating
Zinc
Fastener Type
Drywall Screw
Fastener/Connector Material
Steel
Features
Coated,Self Drilling,Self Tapping
Finish
Zinc-plated
Head Style
Flat Head
Included
Driver Bit
Interior/Exterior
Interior
Measurement Standard
SAE
Package Quantity
750
Product Weight (lb.)
4.66 lb
Returnable
90-Day
Size
#9

Warranty / Certifications

Manufacturer 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.

Questions & Answers

I cannot get the serrated head start drive cement screws into the backer board. I have even tried...

I cannot get the serrated head start drive cement screws into the backer board. I have even tried to put a nail in first.....and can't get the nail in either. Any ideas? Thanks! Lisa
Asked by: Iisahandy
it does take a little pressure to get them to start in hardie board, but stick with it. A good drill driver is necessary of course...
Answered by: Mark
Date published: 2018-09-11

How many square feet of 1/4" backboard would this box cover?

How many square feet of 1/4" backboard would this box cover?
Asked by: doorguy
Seems like it was from 60-75 screws per 3x5 board. So you might get 2 1/2 to 3 boards out of a box.
Answered by: VJ
Date published: 2018-09-06

Has anyone used these to fasten cbu to steel studs (20 gauge or thicker)? Did they self-tap as stated?

Asked by: CitizenSnips
No we used on wood
Answered by: Gitterdone2
Date published: 2018-05-12

Coverage..

How many sheets of hardi can be installed per box
Asked by: Ajsk
I installed 13 sheets and had some screws left over, maybe enough for another sheet.
Answered by: MG
Date published: 2018-12-05
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Customer Reviews

#9 x 1-1/4 in. Serrated Head Star Drive Cement Board Screws (750-Pack) is rated 4.6 out of 5 by 64.
Rated 5 out of 5 by from Great when used with Backer Board. ... Great when used with Backer Board.
Date published: 2018-12-26
Rated 5 out of 5 by from I like these screws because the bit doesn't slip much... I like these screws because the bit doesn't slip much which makes for much faster installation. Looked closely at these and the rock-on and couldn't find a difference besides the color.
Date published: 2018-12-18
Rated 5 out of 5 by from I am very happy wit the #9 Thanks have a... I am very happy wit the #9 Thanks have a happy holiday to all home depot workers
Date published: 2018-12-18
Rated 5 out of 5 by from These worked great!! I didn't use them on my... These worked great!! I didn't use them on my last project and I had to pre-drill the siding so the screw heads wouldn't stick out. With these, the heads pilot themselves and work great. I wish drywall and construction screws used these same star tipped heads.....they don't slip.A+ product
Date published: 2018-12-11
Rated 5 out of 5 by from Worked well... Worked well
Date published: 2018-12-11
Rated 5 out of 5 by from Easy starting screws, and heads buried flush easily. Easy starting screws, and heads buried flush easily.
Date published: 2018-12-05
Rated 5 out of 5 by from Great hold, easy to use ... Great hold, easy to use
Date published: 2018-12-04
Rated 4 out of 5 by from Like now that they self drill into the hardibacker... Like now that they self drill into the hardibacker
Date published: 2018-10-30
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