System of Measurement System of Measurement |
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Head Type Head Type |
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 | Hex |
Length Length | Show |
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Length Length | Hide |
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Material Material |
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For Use In For Use In |
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Tip Type Tip Type |
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 | Pointed |
Threading Threading |
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 | Partially Threaded |
 | Threaded on Both Ends |
Drive Style Drive Style |
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 | External Hex |
Screw Features Screw Features |
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 | Flanged |
Tapping Method Tapping Method |
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 | Thread Forming |
Finish Finish |
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Flange Diameter Flange Diameter |
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Thread Size Thread Size |
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Thread Type Thread Type |
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Hardness Hardness |
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About Tapping Screws
More
About Threaded Studs and Rods
More
Steel Hex Head Screws for Wood
These steel screws have corrosion-resistant finishes. Also known as lag bolts, they have a hex head for a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. Length is measured from under the head.
Black-oxide steel screws have a coating that protects the steel from rusting in dry environments and blends in with dark surfaces.
Hot-dipped galvanized steel screws have a thick coating for better corrosion resistance than zinc-plated steel screws. They're a good choice for ACQ-treated (arsenic-free) lumber.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Approximate Threads per Inch | Threading | Minimum Thread Lg. | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||
1/2" | |||||||||
| 10" | 0.75" | 0.344" | 6 | Partially Threaded | 5" | ASME B18.2.1 | 1 | 000000000 | 000000 |
5/8" | |||||||||
| 10" | 0.938" | 0.422" | 5 | Partially Threaded | 5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
3/4" | |||||||||
| 10" | 1.125" | 0.5" | 4.5 | Partially Threaded | 5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
Hot-Dipped Galvanized Steel | |||||||||
3/8" | |||||||||
| 10" | 0.563" | 0.25" | 7 | Partially Threaded | 4" | ASME B18.2.1, ASTM A307, SAE J429 | 5 | 000000000 | 0000 |
1/2" | |||||||||
| 10" | 0.75" | 0.344" | 6 | Partially Threaded | 4" | ASME B18.2.1, ASTM A307, SAE J429 | 1 | 000000000 | 0000 |
5/8" | |||||||||
| 10" | 0.938" | 0.422" | 5 | Partially Threaded | 6.667" | ASME B18.2.1, ASTM A307, SAE J429 | 1 | 000000000 | 0000 |
3/4" | |||||||||
| 10" | 1.125" | 0.5" | 4.5 | Partially Threaded | 4" | ASME B18.2.1, ASTM A307, SAE J429 | 1 | 000000000 | 0000 |
18-8 Stainless Steel Hex Head Screws for Wood
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. Also known as lag bolts, they have a hex head for a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. They may be mildly magnetic. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Approximate Threads per Inch | Threading | Minimum Thread Lg. | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
3/8" | |||||||||
| 10" | 0.563" | 0.25" | 7 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
1/2" | |||||||||
| 10" | 0.75" | 0.344" | 6 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5/8" | |||||||||
| 10" | 0.938" | 0.422" | 5 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
3/4" | |||||||||
| 10" | 1.125" | 0.5" | 4.5 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless
Steel Hex Head Screws for Wood
More corrosion resistant than 18-8 stainless steel screws, these have excellent resistance to chemicals and salt water and are a good choice for ACQ-treated (arsenic-free) lumber. Also known as lag bolts, they have a hex head for a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. They may be mildly magnetic. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Approximate Threads per Inch | Threading | Minimum Thread Lg. | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||||||
3/8" | |||||||||
| 10" | 0.563" | 0.25" | 7 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 000000 |
1/2" | |||||||||
| 10" | 0.75" | 0.344" | 6 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
5/8" | |||||||||
| 10" | 0.938" | 0.422" | 5 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
3/4" | |||||||||
| 10" | 1.125" | 0.5" | 4.5 | Partially Threaded | 4" | ASME B18.2.1 | 1 | 000000000 | 00000 |
Stainless Steel Flanged Hex Head Screws for Wood
These 316 stainless steel screws have excellent resistance to chemicals and salt water and are a good choice for ACQ-treated (arsenic-free) lumber. The flange reduces the risk of crushing material and the hex head provides a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. Screws may be mildly magnetic. Head height includes the flange. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | Threading | Minimum Thread Lg. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||||||
1/4" | |||||||||
| 10" | 0.5" | 0.275" | 0.66" | 10 | Partially Threaded | 2.375" | 1 | 000000000 | 00000 |
Steel Wood Screw Threaded Studs
These studs are also known as hanger bolts—use them to hang, mount, and fasten parts to wood structures. Install with a stud driver or create wrench flats by threading two nuts onto the stud and jamming them together.
Black-oxide steel studs are mildly corrosion resistant in dry environments.
Zinc-plated steel studs resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.