A. Bottini Square Drive Backer Board Screws – 1-1/4 in., 200 per Jar
A. Bottini Square Drive Backer Board Screws – 1-1/4 in., 200 per Jar
A. Bottini Square Drive Backer Board Screws are 1-1/4 in. square drive screws used to fix cement backer board to a floor or wall substrate, supplied 200 per jar with a driver bit included. BOE specifies a rust-proof finish and states that they are building code approved.
These are backer board screws for cement board substrate — not a general wood or drywall screw and not a fastener for structural framing. The square drive is what stops the bit camming out through a board face.
Key Features
- 1-1/4 in.
- 200 per jar
- Square drive head
- Driver bit included
- BOE: rust-proof finish
- BOE: building code approved
Who Is This For?
Tile setters fixing cement backer board to a floor or wall substrate before setting tile or stone.
Frequently Asked Questions
What length are the screws?
The backer board screws are 1-1/4 in. long.
How many are in a jar?
Each jar holds 200 screws, with a driver bit included.
Why square drive?
A square drive resists cam-out, which matters when you are driving hundreds of screws flush into a board face without over-driving through it.
Are they corrosion resistant?
BOE publishes a rust-proof finish and states that the screws are building code approved.