Shop All Savings
Appliances
Bath & Faucets
Blinds & Window Treatment
Building Materials
Lumber & Composites
Cleaning
Decor & Furniture
Lighting & Ceiling Fans
Doors & Windows
Electrical
Flooring & Area Rugs
Hardware
Heating & Cooling
Kitchen & Kitchenware
Lawn & Garden
Outdoor Living & Patio
Paint
Plumbing
Seasonal Decor
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Gift Cards
Credit Cards
View All Home Services
Tool Rental
Benefits & Services For the Pro
Project Calculators
View All DIY Projects
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Log In
Cart
Home
/
Hardware
/
Fasteners
/
Screws
Flat Head Carbon Steel Screws
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Filters
Filters
Clear All
Package Quantity: 30
Package Quantity: 185
Fastener Material: Carbon Steel
Head Style: Flat Head
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
Show Out of Stock
Department
Hardware
Fasteners
Screws
Cement Board Screws
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Backer-On
Rock-On
Head Style
Hex Head
Flat Head
Washer Head
Fastener Material
Stainless Steel
Carbon Steel
Thread Style
Hi-Lo Thread
Serrated Thread
Package Quantity
1
2
3
4
5
6
8
10
12
14
15
16
18
20
25
40
50
52
56
57
59
60
70
73
75
80
83
87
91
94
100
105
110
124
125
126
130
133
137
138
140
147
149
150
153
154
157
160
175
177
178
180
185
186
197
200
203
207
210
213
227
230
231
237
240
242
250
260
280
282
295
309
310
350
365
370
417
435
470
500
501
575
730
735
750
870
1000
1150
1200
1215
1388
1500
1543
1668
1750
1823
2000
2500
3096
5000
View Results
All Filters
Category
Head Style
Fastener Material
Thread Style
Availability
Package Quantity: 30
Package Quantity: 185
Fastener Material: Carbon Steel
Head Style: Flat Head
Clear All
3 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
More Options Available
$
11
.
98
(237)
Model# 23500
Backer-On
#9 x 1-1/4 in. Star Drive Serrated Head Cement Board Screws (185-Pack)
Add to Cart
More Options Available
$
11
.
98
(787)
Model# 23301
Rock-On
#9 x 1-1/4 in. Serrated Flat Head Star Drive Cement Board Screws (185-Pack)
Add to Cart
Top Rated
More Options Available
$
11
.
98
(1000)
Model# 23401
Backer-On
#9 x 1-1/4 in. Serrated Flat Head Star Drive Cement Board Screws (185-Pack)
Add to Cart