System of Measurement System of Measurement |
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Screw Size Screw Size | Show |
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Screw Size Screw Size | Hide |
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For Use In For Use In |
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Drive Style Drive Style |
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| Phillips | Square |
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| External Hex | Slotted |
Material Material |
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Tip Type Tip Type |
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Threading Threading |
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 | Partially Threaded |
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Minimum Thread Length Minimum Thread Length |
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Tapping Method Tapping Method |
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| Thread Forming | Thread Cutting |
Flat Head Profile Flat Head Profile |
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Drive Size Drive Size |
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Softwood Drill Bit Size Softwood Drill Bit Size |
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Hardwood Drill Bit Size Decimal Equivalent Hardwood Drill Bit SizeDecimal Equivalent |
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Hardwood Drill Bit Size Hardwood Drill Bit Size |
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Softwood Drill Bit Size Decimal Equivalent Softwood Drill Bit SizeDecimal Equivalent |
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Tapping Screw Type Tapping Screw Type |
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About Tapping Screws
More
Steel Phillips Flat Head Screws for Wood
These steel screws are zinc plated to resist corrosion in wet environments. All are beveled under the head for use in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||
No. 14 | |||||||||||
| 1" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.875" | 100 | 000000000 | 00000 |
| 1 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.875" | 100 | 000000000 | 00000 |
| 2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.25" | 100 | 000000000 | 00000 |
| 2 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.75" | 100 | 000000000 | 00000 |
| 3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 100 | 000000000 | 00000 |
| 3 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.333" | 25 | 000000000 | 00000 |
| 4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 25 | 000000000 | 00000 |
18-8 Stainless Steel Phillips Flat Head Screws for Wood
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. All are beveled under the head for use in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||||
No. 14 | |||||||||||
| 1" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Fully Threaded | __ | 25 | 000000000 | 000000 |
| 1 1/4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.968" | 25 | 000000000 | 00000 |
| 1 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 10 | 000000000 | 0000 |
| 1 3/4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.166" | 10 | 000000000 | 0000 |
| 2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 10 | 000000000 | 0000 |
| 2 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.667" | 10 | 000000000 | 0000 |
| 3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 10 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel Phillips Flat 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. All are beveled under the head for use in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Brass Phillips Flat Head Screws for Wood
Brass screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. All are beveled under the head for use in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Brass | |||||||||||
No. 14 | |||||||||||
| 1 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 10 | 000000000 | 00000 |
| 2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 10 | 000000000 | 0000 |
| 2 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.667" | 10 | 000000000 | 0000 |
| 3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 10 | 000000000 | 00000 |
| 4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 10 | 000000000 | 00000 |
Steel Square-Drive Flat Head Screws for Wood
Beveled under the head for use in countersunk holes, these steel screws 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 the top of the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||||
No. 14 | |||||||||||
| 2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 5 | 000000000 | 00000 |
| 3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 5 | 000000000 | 00000 |
| 4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 1 | 000000000 | 0000 |
Zinc-Plated Steel | |||||||||||
No. 14 | |||||||||||
| 1 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
| 2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 50 | 000000000 | 00000 |
| 2 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.667" | 25 | 000000000 | 00000 |
| 3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 10 | 000000000 | 0000 |
| 4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 10 | 000000000 | 00000 |
Steel Slotted Flat Head Screws for Wood
These steel screws are zinc plated to resist corrosion in wet environments. All are beveled under the head for use in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
No. 14 | ||||||||||
| 3/4" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 0.5" | 100 | 000000000 | 000000 |
| 1" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 0.66" | 100 | 000000000 | 0000 |
| 1 1/4" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 0.832" | 100 | 000000000 | 0000 |
| 1 1/2" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
| 1 3/4" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 1.166" | 100 | 000000000 | 00000 |
| 2" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 1.33" | 100 | 000000000 | 00000 |
| 2 1/2" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 1.66" | 50 | 000000000 | 00000 |
| 3" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 50 | 000000000 | 00000 |
| 4" | 0.507" | 0.153" | 7/64" | 9/64" | 10 | Partially Threaded | 2.66" | 50 | 000000000 | 00000 |
Stainless Steel Slotted Oval Head Screws for Wood
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. A decorative rounded top provides a finished appearance. Screws are beveled under the head for use in countersunk holes. 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. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
No. 14 | ||||||||||
| 1" | 0.507" | 0.232" | 7/64" | 9/64" | 10 | Fully Threaded | __ | 10 | 000000000 | 00000 |
| 1 1/4" | 0.507" | 0.232" | 7/64" | 9/64" | 10 | Partially Threaded | 0.833" | 10 | 000000000 | 0000 |
| 1 1/2" | 0.507" | 0.232" | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 10 | 000000000 | 00000 |
| 2" | 0.507" | 0.232" | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 10 | 000000000 | 00000 |
Phillips Decorative Rounded Head Screws for Wood
A decorative rounded top provides a finished appearance. These screws press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. Made from brass, they are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Brass | |||||||||||
No. 14 | |||||||||||
| 3/4" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.5" | 10 | 000000000 | 00000 |
| 1" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.667" | 10 | 000000000 | 0000 |
| 1 1/4" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.833" | 10 | 000000000 | 0000 |
| 1 1/2" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 10 | 000000000 | 0000 |
| 2" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 10 | 000000000 | 00000 |
18-8 Stainless Steel Square-Drive Screws for Softwood and Plastic-Wood Composites
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. They have a curved neck that sinks into material, so they sit flush with the surface. Also known as deck screws, they have a Type 17 auger point that penetrates softwood and plastic-wood composite decking material. They may be mildly magnetic. Length is measured from the top of the head.
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 | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
No. 14 | ||||||||||
| 2" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 1 1/4" | 25 | 000000000 | 00000 |
| 2 1/2" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 1 3/4" | 10 | 000000000 | 0000 |
| 3" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 2" | 10 | 000000000 | 0000 |
| 3 1/2" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 2.31" | 10 | 000000000 | 0000 |
| 4" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 2.64" | 10 | 000000000 | 00000 |
| 4 1/2" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 2 11/16" | 10 | 000000000 | 0000 |
| 5" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 3.3" | 10 | 000000000 | 00000 |
| 6" | 0.43" | 0.25" | No. 3 | 7/64" | 7 | Partially Threaded | 4" | 5 | 000000000 | 0000 |
Super-Corrosion-Resistant 316 Stainless Steel Square-Drive
Screws for Softwood and Plastic-Wood Composites
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. They have a curved neck that sinks into material, so they sit flush with the surface. Also known as deck screws, they have a Type 17 auger point that penetrates softwood and plastic-wood composite decking material. They may be mildly magnetic. Length is measured from the top of the head.
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 | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||||
No. 14 | ||||||||||
| 3" | 0.43" | 1/4" | No. 3 | 7/64" | 10 | Partially Threaded | 2" | 10 | 000000000 | 00000 |
| 3 1/2" | 0.43" | 1/4" | No. 3 | 7/64" | 10 | Partially Threaded | 2 1/4" | 5 | 000000000 | 0000 |
| 4" | 0.43" | 1/4" | No. 3 | 7/64" | 10 | Partially Threaded | 2 3/4" | 5 | 000000000 | 0000 |
| 5" | 0.43" | 1/4" | No. 3 | 7/64" | 10 | Partially Threaded | 3 1/4" | 5 | 000000000 | 0000 |
| 6" | 0.43" | 1/4" | No. 3 | 7/64" | 10 | Partially Threaded | 4" | 5 | 000000000 | 0000 |
Screws for Joining Sheet Metal to Wood
Able to penetrate overlapping sheets, these screws have a secure hold in wood. The hex head allows for a firm grip with a wrench, while a rubber washer provides a watertight seal. They're ultra-corrosion-resistant coated steel to resist corrosion in wet environments and minimize reactions between dissimilar metals. Length is measured from under the washer.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Washer OD | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
Ultra-Corrosion-Resistant Coated Steel | |||||||
No. 14 | |||||||
| 1 1/2" | 0.313" | 0.15" | 0.593" | 10 | 25 | 000000000 | 00000 |