Lag Screws
Lag screws are your go-to for pulling wood tight and keeping it there in structural repairs, decking and framing. Grab Power-Thread star drive when you want no pre-drill speed, flush or dome heads and underhead serrations to fight loosening. For standard installs, choose carbon steel, hot-dip galvanized for outdoor corrosion or 18-8 stainless in wet areas.
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Hex Head Lag Screws
Hex head lag screws made from carbon steel with zinc plating and sharp gimlet points. Coarse lag threads and hex heads provide secure, high‑pullout holding for wood and heavy timber, while zinc finish helps resist corrosion for general construction and structural fastening.
| Item # | Diameter | Length | Package Qty | |||
|---|---|---|---|---|---|---|
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436408
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1/4"
|
50
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436508
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5/16"
|
50
|
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|
|
436612
|
3/8"
|
50
|
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|
436812
|
1/2"
|
25
|
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Star Drive Power-Thread+ Universal Lag Screws
Star Drive Power-Thread+ lag screws made from case-hardened steel with corrosion-resistant finish, flat head and corkscrew tip. Serrated under-head and Power-Thread star recess provide secure, flush installs; ideal for structural and ACQ-treated wood. Note: Torx® is a Registered Trademark of Acument Intellectual Properties.
| Item # | Diameter | Length | Package Qty | |||
|---|---|---|---|---|---|---|
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438830
|
#6
|
1-1/2" |
100
|
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|
|
438831
|
#8
|
100
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|
|
438834
|
#9
|
100
|
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|
438840
|
#10
|
50
|
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|
|
438846
|
#12
|
25
|
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Star Drive Power-Thread High Performance Lag Screws
Power-Thread high-performance lag screws with star drive recesses made from case-hardened steel with corrosion-resistant coating. Dome head with serrated underhead and corkscrew tip provides countersink and no pre-drilling for faster installation.
| Item # | Diameter | Length | Package Qty | |||
|---|---|---|---|---|---|---|
|
|
437747
|
#10
|
50
|
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|
|
437751
|
5/16"
|
25
|
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|
|
437756
|
3/8"
|
25
|
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Galvanized Hex Head Lag Screws
Hex head lag screws made from carbon steel with hot-dip galvanized finish and sharp gimlet point. Hex head drive provides strong wrench engagement and coarse threads for wood and structural fastening. Corrosion-resistant coating helps extend service life.
| Item # | Diameter | Length | Package Qty | |||
|---|---|---|---|---|---|---|
|
|
4316408
|
1/4"
|
50
|
Log in to view price | ||
|
|
4316508
|
5/16"
|
50
|
Log in to view price | ||
|
|
4316612
|
3/8"
|
50
|
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|
|
4316816
|
1/2"
|
25
|
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18-8 Stainless Steel Hex Head Lag Screws
A selection of 18-8 stainless steel hex head lag screws with gimlet tips and fine SAE threads. Hex head design provides strong wrench engagement and the stainless construction resists corrosion for outdoor or structural fastening. Suitable for wood and heavy timber applications.
| Item # | Diameter | Length | Package Qty | |||
|---|---|---|---|---|---|---|
|
|
3310408
|
1/4"
|
25
|
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|
|
3310512
|
5/16"
|
25
|
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|
|
3310612
|
3/8"
|
10
|
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|
|
3310812
|
1/2"
|
10
|
Log in to view price |
37 options | Item #:
436408
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18 options | Item #:
438830
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15 options | Item #:
437747
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35 options | Item #:
4316408
Price
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34 options | Item #:
3310408
Price
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