Best Wood Lag Screws in 2026

Daisy
Last Updated: Feb 12, 2026

At a Glance: Our Top Picks for Wood Lag Screws

FastenMaster FMHLGM006-12 HeadLOK Heavy-Duty Flathead Fastener, 6 Inches, 12-Count,Black
#TOP1
Fastenmaster Fmhlgm006-12 Headlok Heavy-Duty Flathead Fastener, 6 Inches,
8.7
PM SCORE
FastenMaster FMHLGM006-250 HeadLOK Heavy-Duty Flathead Fastener, 6 Inches, 250-Count
#TOP2
Fastenmaster Fmhlgm006-250 Headlok Heavy-Duty Flathead Fastener, 6 Inches,
8.3
PM SCORE
FastenMaster FMHLGM008-250 HeadLOK Heavy-Duty Flathead Fastener, 8 Inches, 250-Count, Black
#TOP3
Fastenmaster Fmhlgm008-250 Headlok Heavy-Duty Flathead Fastener, 8 Inches,
6.5
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Wood Lag Screws of 2026

#TOP1

Fastenmaster Fmhlgm006-12 Headlok Heavy-Duty Flathead Fastener, 6 Inches, 12-Count,Black

FASTENMASTER
FMHLGM006-12
1.50 X 3.50 X 8.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Junipers' 9.87

Features

Manufactured in China

Easy to use

Highly durable

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Guaranteed corrosion resistance for the life of the project; ACQ approved

Free Spider Driver bit in every package

#TOP2

Fastenmaster Fmhlgm006-250 Headlok Heavy-Duty Flathead Fastener, 6 Inches, 250-Count

FASTENMASTER
FMHLGM006-250
10.00 X 8.00 X 9.00 Inches
13.34 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Life and Home 9.87

Features

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

#TOP3

Fastenmaster Fmhlgm008-250 Headlok Heavy-Duty Flathead Fastener, 8 Inches, 250-Count, Black

FASTENMASTER
FMHLGM008-250
7.75 X 9.75 X 9.75 Inches
18.65 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MaxWarehouse 9.82

Features

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

#TOP4

Fastenmaster Fmhlgm014-250 Headlok Heavy-Duty Flathead Fastener, 14 Inches, 250-Count,Black

FASTENMASTER
FMHLGM014-250
9.63 X 7.63 X 9.75 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Edmonton Fasteners & Tools 5.25

Features

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

#TOP5

Fastenmaster Fmhlgm009-250 Headlok Heavy-Duty Flathead Fastener, 9 Inches, 250-Count,Black

FASTENMASTER
FMHLGM009-250
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Edmonton Fasteners & Tools 5.25

Features

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

#TOP6

Fastenmaster Fmhlgm812-250 Headlok Heavy-Duty Flathead Fastener, 8-1/2 Inches, 250-Count, Black

FASTENMASTER
FMHLGM812-250
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Edmonton Fasteners & Tools 5.25

Features

Nationally code compliant stronger design shear values than 3/8 inch lag screws

No predrilling--zips right in

Patented Spider Drive virtually eliminates cam-out

Free Spider Driver bit in every package

Top 10 lag screws Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Fastenmaster 6

Top 10 lag screws Brands Pie Chart


We've carried out a comprehensive analysis of 203 reviews on lag screws, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select lag screws priced around $223.85, with top brands including prime-line, power pro, spax and the hillman group and vigrue

Our team of expert editors reviewed these high-quality items and handpicked the top 6 lag screws for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include amazon.com and spax u.s. and vigrue-king of screw .

We are dedicated to assisting our users in finding the right screws Products based on their needs, saving them considerable time when choosing which lag screws to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.