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
5/16 in Hex Head Screws
Get It Fast
In Stock at Store Today
Same-Day Delivery
Filters
Filters
Clear All
Screw Length: 3-1/2 in
Screw Length: 4 in
Screw Length: 4-1/2 in
Screw Length: 1-3/4 in
Size: 5/16 in
Head Style: Hex Head
Get It Fast
In Stock at Store Today
Same-Day Delivery
Availability
Show Out of Stock
Department
Hardware
Fasteners
Screws
Lag Bolts
Structural Screws
Hex Head Cap Screws
Hanger Bolts
Wood Screws
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Everbilt
DECKMATE
Grip-Rite
SPAX
Acorn International
Prime-Line
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
Special Values
Screw Length
1/2 in
1 in
1-1/2 in
1-3/4 in
2 in
2-3/8 in
2-1/2 in
3/8 in
3/4 in
3 in
3-1/2 in
3-3/4 in
4 in
4-1/2 in
5/16 in
5/8 in
5 in
5-1/2 in
6 in
6-3/4 in
8 in
10 in
12 in
Head Style
Hex Head
Flat Head
Pan Head
Round Head
Low Profile Head
Socket Cap Head
Truss Head
Washer Head
Size
1/4 in
1/2 in
3/8 in
3/16 in
5/16 in
#0
#12
#14
#17
#8
5/8 in
7/16 in
M12
M8
Drive Style
Hex
Nail
Fastener Type
Lag Screws
Hex Head Cap Screws
Structural Screws
Hanger Bolts
Wood Screw
Fastener Material
Stainless Steel
Carbon Steel
Thread Style
Coarse Thread
Serrated Thread
Dual Thread
Fine Thread
Hi-Lo Thread
Measurement Standard
Inches
Interior/Exterior
Interior
Exterior
Fastener Plating
Ceramic
Product Weight (lb.)
Less Than 5
Package Quantity
1
5
10
15
20
25
50
View Results
All Filters
Category
Screw Length
Head Style
Size
Drive Style
Screw Length: 3-1/2 in
Screw Length: 4 in
Screw Length: 4-1/2 in
Screw Length: 1-3/4 in
Size: 5/16 in
Head Style: Hex Head
Clear All
18 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
More Options Available
$
40
.
84
/box
(
$1.63
/unit
)
Bulk Savings
See Details
(1185)
Model# 803840
Everbilt
5/16 in. x 4 in. Hex Galvanized Lag Screw (25-Pack)
Add to Cart
Compare
More Options Available
$
30
.
98
/box
(
62
¢
/unit
)
Bulk Savings
See Details
(439)
Model# 801470
Everbilt
5/16 in. x 3-1/2 in. Hex Zinc Plated Lag Screw (50-Pack)
Add to Cart
Compare
$
20
.
57
(12)
Model# GRSSHW516420
Grip-Rite
5/16 in. x 4 in. Dual Drive Washer Head Structural Screws 20 per Box
Add to Cart
Compare
More Options Available
$
19
.
55
/box
(
78
¢
/unit
)
Bulk Savings
See Details
(992)
Model# 801490
5/16 in. x 4-1/2 in. Hex Zinc Plated Lag Screw (25-Pack)
Add to Cart
Compare
More Options Available
$
40
.
37
(2)
Model# GRSSHW516450
Grip-Rite
5/16 in. x 4 in. Dual Drive Washer Head Structural Screws 50 per Box
Add to Cart
Compare
More Options Available
$
3
.
60
Bulk Savings
See Details
(238)
Model# 812726
Everbilt
5/16 in. x 4 in. Hex Head Hex Drive Stainless Steel Lag Screw
Add to Cart
Compare
More Options Available
$
15
.
30
/box
(
$3.06
/unit
)
Bulk Savings
See Details
(98)
Model# 812720
Everbilt
5/16 in. x 4 in. Stainless Steel Hex Lag Screw (5-Pack)
Add to Cart
Compare
More Options Available
$
43
.
97
(226)
Model# 4571820801005
SPAX
5/16 in. x 4 in. Exterior Hex Head Structural Wood Lag Screws Powerlags Hex (50 Each) Bit Included
Add to Cart
Compare
More Options Available
$
33
.
92
(226)
Model# 4571820800905
SPAX
5/16 in. x 3-1/2 in. Exterior Hex Head Structural Wood Lag Screws Powerlags Hex (50 Each) Bit Included
Add to Cart
Compare
More Options Available
$
1
.
53
Model# 815146
DECKMATE
5/16 in. x 4 in. Black Exterior Hex Head Lag Screw
Add to Cart
Compare
More Options Available
$
2
.
75
Bulk Savings
See Details
(3)
Model# 809948
5/16 in.-18 x 3-1/2 in. Zinc-Plated Grade 8 Cap Screw
Add to Cart
Compare
$
26
.
98
/package
(
$1.08
/unit
)
(3)
Model# 9055783
5/16 in. x 3-1/2 in. Grade 18-8 Stainless Steel Hex Lag Screws (25-Pack)
Add to Cart
Compare