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 /each
Loading Options
store icon Loading Buying Options...
package icon Loading Buying Options...
Sorry, but we ran into issues loading these options. Please try refreshing.

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

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Price
$24.38 /each
$26.28 /each
$26.44 /each
$29.97 /each
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) #6 1-1/4 in. Phillips Bugle-Head Drywall Screws (5 lb.-Pack)
Brand Rock-On Backer-On Backer-On Grip-Rite
Ratings (26) (57) (42) (1)
Size #9 #9 #9 #6
Screw Length 1-5/8 in 1-1/4 in 1-5/8 in 1-1/4 in
View Product 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
A full sheet of 3' x 5' Hardie Backer requires 60 screws. A box of 750 screws should cover 12.5 sheets.
Answered by: Jimmy
Date published: 2018-04-12
  • y_2018, m_11, d_11, h_15CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_4
  • loc_, sid_300661899, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 59ms
  • QUESTIONS, PRODUCT

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 57.
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
Rated 5 out of 5 by from easy to work with... easy to work with
Date published: 2018-10-30
Rated 3 out of 5 by from These are a must for installing the Hardi backer the... These are a must for installing the Hardi backer the only problem was the number of sheets you’re supposed to be able to get out of the container is was off. We only got thru half of the estimated sheets and had to purchase another container.
Date published: 2018-10-25
Rated 4 out of 5 by from The bit included was a nice plus. ... The bit included was a nice plus.
Date published: 2018-10-23
Rated 5 out of 5 by from It comes one drive bit. The bit and screws work very well on the cement board. Really grips and... It comes one drive bit. The bit and screws work very well on the cement board. Really grips and holds. It is not a dual purpose screw; it does not work on drywall. It will tear-up the paper on drywall.
Date published: 2018-10-18
Rated 5 out of 5 by from Worked perfectly.... Worked perfectly.
Date published: 2018-10-16
Rated 5 out of 5 by from Far better than other backer board screws I have used.... Far better than other backer board screws I have used. The head does not strip, allowing screws to power into the cement board down to flush with the surface.
Date published: 2018-10-09
Rated 5 out of 5 by from Excellent quality, good value ... Excellent quality, good value
Date published: 2018-10-09
  • y_2018, m_11, d_11, h_15
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_57
  • loc_, sid_300661899, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 60ms
  • REVIEWS, PRODUCT