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Brand | Grip-Rite | Rock-On | Backer-On | Backer-On |
Name | #6 x 1-1/4 in. Philips Bugle-Head Coarse Thread Sharp Point Drywall Screws (1 lb./Pack) | #9 x 1-5/8 in. Serrated Flat Head Star Drive Cement Board Screws (140-Pack) | #9 x 2-1/4 in. Serrated Flat Head Star Drive Cement Board Screws (100-Pack) | #9 x 1-5/8 in. Serrated Flat Head Star Drive Cement Board Screws (140-Pack) |
Price | $597 | $873 | $894 | $938 |
Ratings | (616) | (181) | (77) | (236) |
Screw Length | 1-1/4 in | 1-5/8 in | 2-1/4 in | 1-5/8 in |
Size | #6 | #9 | #9 | #9 |
Drive Style | Phillips | Star | Star | Star |
Head Style | Bugle Head | Flat Head | Flat Head | Flat Head |
Fastener/Connector Material | Steel | Steel | Steel | Steel |
Features | Coated | Coated,Self Drilling,Self Tapping | Coated,Self Drilling,Self Tapping | Coated,Self Drilling,Self Tapping |
View Product | View Product | View Product | View Product |
![]() | ![]() | ![]() | ![]() | |
Brand | Grip-Rite | Rock-On | Backer-On | Backer-On |
Name | #6 x 1-1/4 in. Philips Bugle-Head Coarse Thread Sharp Point Drywall Screws (1 lb./Pack) | #9 x 1-5/8 in. Serrated Flat Head Star Drive Cement Board Screws (140-Pack) | #9 x 2-1/4 in. Serrated Flat Head Star Drive Cement Board Screws (100-Pack) | #9 x 1-5/8 in. Serrated Flat Head Star Drive Cement Board Screws (140-Pack) |
Price | $597 | $873 | $894 | $938 |
Ratings | (616) | (181) | (77) | (236) |
Screw Length | ||||
Size | ||||
Drive Style | ||||
Head Style | ||||
Fastener/Connector Material | ||||
Features | ||||
View Product | View Product | View Product | View Product |
These are made for Hardy plank like on your gargae but they also make one for hardy planking like in a shower and they are great screws
No, the chemical in treated lumber is extremely corrosive and take special screws
You should be fine. They are a ceramic coated screw.
Yes, Backer-On screws are able to self-drill into steel studs from 26-20 Gauge thick.
Yes, Backer-On screws are suitable for attaching drywall.
At 950 square feet you will need roughly 64 sheets at 15 sq. ft. each; each sheet requires roughly 50 screws per sheet which is w total of 3,200 screws. At roughly 575 per package you will need 6 packages to install your hardback properly.