Material Material |
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Finish Finish | Show |
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Finish Finish | Hide |
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Drive Style Drive Style |
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| External Hex | Phillips |
For Use In For Use In |
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Threading Threading |
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 | Fully Threaded |
 | Partially Threaded |
Screw Features Screw Features |
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| Flanged | With Washer |
Head Height Head Height |
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Thread Direction Thread Direction |
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 | Right Hand |
Tapping Method Tapping Method |
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 | Thread Forming |
Shank Cross Section Shank Cross Section |
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Hex Head Profile Hex Head Profile |
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About Tapping Screws
More
Steel Hex Head Drilling Screws for Metal
These steel screws have corrosion-resistant finishes. A hex head provides a secure grip with a wrench and a flange reduces the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. Length is measured from under the flange. Head height includes the flange.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | Threading | For Use In | Pkg. Qty. | Pkg. | |
External Hex—Black Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 10 | ||||||||||||
| 1/2" | No. 2 | 13/64" | 0.110" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 3/4" | No. 3 | 1/4" | 0.175" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1" | No. 3 | 1/4" | 0.175" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 1/4" | 0.175" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 1/4" | 0.175" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 12 | ||||||||||||
| 5/8" | No. 3 | 9/32" | 0.210" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 3/4" | No. 3 | 9/32" | 0.210" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1" | No. 3 | 9/32" | 0.210" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 9/32" | 0.210" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
1/4" | ||||||||||||
| 3/4" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 3/4" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 2" | No. 3 | 5/16" | 0.220" | 0.375" | 0.24" | 0.520" | 14 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
5/16" | ||||||||||||
| 3/4" | No. 3 | 25/64" | 0.220" | 0.5" | 0.29" | 0.676" | 12 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1" | No. 3 | 25/64" | 0.220" | 0.5" | 0.29" | 0.676" | 12 | Fully Threaded | Steel, Sheet Metal | 5 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 25/64" | 0.220" | 0.5" | 0.29" | 0.676" | 12 | Fully Threaded | Steel, Sheet Metal | 5 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 25/64" | 0.220" | 0.5" | 0.29" | 0.676" | 12 | Fully Threaded | Steel, Sheet Metal | 5 | 000000000 | 0000 |
Drilling Screws for Joining Fabric to Metal
These screws have a free-rotating, permanently attached washer that remains stationary while tightening to prevent bunching while attaching tarps and other fabric to metal. They save you time and effort by drilling their own holes and fastening in a single operation. Made from steel, they're zinc-plated to resist corrosion in wet environments. Length is measured from the edge of the head.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Dia. | Ht. | Washer OD | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
Black Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 3/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 00000 |
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.
Zinc-plated steel screws resist corrosion in wet environments.
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 Zinc-Plated Steel | |||||||||
1/4" | |||||||||
| 1" | 0.438" | 0.172" | 10 | Partially Threaded | 0.667" | ASME B18.2.1 | 100 | 000000000 | 000000 |
| 1 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 1" | ASME B18.2.1 | 50 | 000000000 | 0000 |
| 2" | 0.438" | 0.172" | 10 | Partially Threaded | 1.333" | ASME B18.2.1 | 50 | 000000000 | 0000 |
| 2 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 1.667" | ASME B18.2.1 | 50 | 000000000 | 00000 |
| 3" | 0.438" | 0.172" | 10 | Partially Threaded | 2" | ASME B18.2.1 | 50 | 000000000 | 00000 |
5/16" | |||||||||
| 1 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 1" | ASME B18.2.1 | 50 | 000000000 | 00000 |
| 2" | 0.5" | 0.219" | 9 | Partially Threaded | 1.333" | ASME B18.2.1 | 50 | 000000000 | 00000 |
| 2 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 1.667" | ASME B18.2.1 | 50 | 000000000 | 00000 |
| 3" | 0.5" | 0.219" | 9 | Partially Threaded | 2" | ASME B18.2.1 | 25 | 000000000 | 0000 |
3/8" | |||||||||
| 1 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 1" | ASME B18.2.1 | 25 | 000000000 | 0000 |
| 2" | 0.563" | 0.25" | 7 | Partially Threaded | 1.333" | ASME B18.2.1 | 25 | 000000000 | 0000 |
| 2 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 1.667" | ASME B18.2.1 | 10 | 000000000 | 0000 |
| 3" | 0.563" | 0.25" | 7 | Partially Threaded | 2" | ASME B18.2.1 | 25 | 000000000 | 00000 |
| 4" | 0.563" | 0.25" | 7 | Partially Threaded | 2.667" | ASME B18.2.1 | 10 | 000000000 | 0000 |
Steel Rounded Head Thread-Forming
Screws for Brittle Plastic
These steel screws have alternating high and low threads to minimize cracking and splitting in brittle material such as phenolic and glass-filled plastic. Length is measured from under the head.
All of these screws are zinc plated to protect the steel from corroding in wet environments. Black zinc-plated screws blend in with dark surfaces and reduce glare.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Tapping Screw Type | Pkg. Qty. | Pkg. | |
Black Zinc-Plated Steel | |||||||||
No. 4 | |||||||||
| 1/4" | 0.193" | 0.071" | No. 1 | No. 44 | 24 | DST | 25 | 000000000 | 00000 |
| 5/16" | 0.193" | 0.071" | No. 1 | No. 44 | 24 | DST | 25 | 000000000 | 0000 |
| 3/8" | 0.193" | 0.071" | No. 1 | No. 44 | 24 | DST | 25 | 000000000 | 0000 |
| 1/2" | 0.193" | 0.071" | No. 1 | No. 44 | 24 | DST | 25 | 000000000 | 0000 |
| 5/8" | 0.193" | 0.071" | No. 1 | No. 44 | 24 | DST | 25 | 000000000 | 0000 |
No. 6 | |||||||||
| 3/8" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 25 | 000000000 | 0000 |
| 1/2" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 25 | 000000000 | 0000 |
| 5/8" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 25 | 000000000 | 0000 |
| 3/4" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 10 | 000000000 | 0000 |
| 1" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 10 | 000000000 | 0000 |
| 1 1/4" | 0.254" | 0.097" | No. 2 | No. 35 | 19 | DST | 10 | 000000000 | 0000 |
No. 8 | |||||||||
| 3/8" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 25 | 000000000 | 0000 |
| 1/2" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 25 | 000000000 | 0000 |
| 5/8" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 25 | 000000000 | 0000 |
| 3/4" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 10 | 000000000 | 0000 |
| 1" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 10 | 000000000 | 0000 |
| 1 1/2" | 0.27" | 0.097" | No. 2 | No. 30 | 18 | DST | 10 | 000000000 | 0000 |
No. 10 | |||||||||
| 3/8" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 1/2" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 5/8" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 3/4" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 1" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 1 1/4" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
| 1 1/2" | 0.322" | 0.115" | No. 2 | No. 27 | 16 | DST | 10 | 000000000 | 0000 |
No. 12 | |||||||||
| 1/2" | 0.373" | 0.133" | No. 2 | No. 19 | 16 | DST | 10 | 000000000 | 0000 |
| 3/4" | 0.373" | 0.133" | No. 2 | No. 19 | 16 | DST | 10 | 000000000 | 0000 |
| 1 1/4" | 0.373" | 0.133" | No. 2 | No. 19 | 16 | DST | 5 | 000000000 | 0000 |
No. 14 | |||||||||
| 1/2" | 0.492" | 0.175" | No. 3 | No. 7 | 15 | DST | 10 | 000000000 | 0000 |
| 1" | 0.492" | 0.175" | No. 3 | No. 7 | 15 | DST | 5 | 000000000 | 0000 |
Ball Socket End Fittings with Safety Clip for Gas Springs
Thread these ball socket end fittings onto gas springs. They rotate in any direction on a ball stud to compensate for misalignment. Ball socket end fittings require a ball stud or ball stud mounting bracket (sold separately) to mount gas springs; they have a safety clip for secure attachment.
Select end fittings with a thread size that matches the rod and end thread sizes of your gas spring. The fittings will increase your gas spring's extended and compressed lengths, so add the Length 1 value for each fitting you attach.
For technical drawings and 3-D models, click on a part number.
Fittings | Replacement Safety Clips | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | ID, mm | For Ball Dia., mm | Lg. 1 | Lg. 2 | Wd. | Gender | Each | Pkg. Qty. | Pkg. | ||
Black Zinc-Plated Steel | ||||||||||||
| M6 | 1 | 10 | 10 | 0.71" | 0.31" | 0.62" | Female | 00000000 | 00000 | 10 | 0000000 | 00000 |
| M8 | 1.25 | 13 | 13 | 0.83" | 0.37" | 0.78" | Female | 00000000 | 0000 | 10 | 0000000 | 0000 |
| M8 | 1.25 | 13 | 13 | 0.98" | 0.37" | 0.78" | Female | 00000000 | 0000 | 10 | 0000000 | 0000 |