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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Tip Type Tip Type |
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Material Material |
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Threading Threading |
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Flat Head Profile Flat Head Profile |
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Minimum Thread Length Minimum Thread Length |
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Tapping Method Tapping Method |
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Hardwood Drill Bit Size Hardwood Drill Bit Size |
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Softwood Drill Bit Size Softwood Drill Bit Size |
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Finish Finish |
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Softwood Drill Bit Size Decimal Equivalent Softwood Drill Bit SizeDecimal Equivalent |
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Hardwood Drill Bit Size Decimal Equivalent Hardwood Drill Bit SizeDecimal Equivalent |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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. 4 | |||||||||||
| 3/8" | 0.195" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 00000 |
| 1/2" | 0.195" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.195" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.195" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.195" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 0000 |
| 1 1/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.83" | 100 | 000000000 | 0000 |
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. 4 | |||||||||||
| 3/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Fully Threaded | __ | 100 | 000000000 | 00000 |
| 1/2" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Fully Threaded | __ | 100 | 000000000 | 0000 |
| 5/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.448" | 100 | 000000000 | 0000 |
| 3/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 0000 |
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.
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. | |
316 Stainless Steel | |||||||||||
No. 4 | |||||||||||
| 3/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Fully Threaded | __ | 50 | 000000000 | 00000 |
| 1/2" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Fully Threaded | __ | 50 | 000000000 | 0000 |
| 5/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.448" | 50 | 000000000 | 0000 |
| 3/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
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. 4 | |||||||||||
| 1/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.167" | 100 | 000000000 | 00000 |
| 3/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 7/8" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.583" | 100 | 000000000 | 0000 |
| 1" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.833" | 100 | 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.
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. | |
Zinc-Plated Steel | |||||||||||
No. 4 | |||||||||||
| 1/2" | 0.225" | 0.067" | No. 0 | 3/64" | 1/16" | 22 | Partially Threaded | 0.33" | 100 | 000000000 | 00000 |
| 3/4" | 0.225" | 0.067" | No. 0 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.225" | 0.067" | No. 0 | 3/64" | 1/16" | 22 | Partially Threaded | 0.66" | 100 | 000000000 | 0000 |
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. 4 | ||||||||||
| 3/8" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.247" | 100 | 000000000 | 00000 |
| 1/2" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.33" | 100 | 000000000 | 0000 |
| 5/8" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.66" | 100 | 000000000 | 0000 |
| 1 1/4" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.833" | 100 | 000000000 | 0000 |
| 1 1/2" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
Brass Slotted 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. | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Brass | ||||||||||
No. 4 | ||||||||||
| 3/8" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 00000 |
| 1/2" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
Stainless Steel Slotted 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.
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 edge 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. 4 | ||||||||||
| 1/2" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 000000 |
| 5/8" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
Brass Slotted Oval Head Screws for Wood
Brass screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. 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. Length is measured from the edge of the head.
For technical drawings and 3-D models, click on a part number.
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. 4 | |||||||||||
| 3/8" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 00000 |
| 1/2" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 5/8" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
Steel Slotted Decorative Rounded Head Screws for Wood
These steel screws are zinc plated to resist corrosion in wet environments. A decorative rounded top provides a finished appearance. 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.
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. 4 | ||||||||||
| 3/8" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 00000 |
| 1/2" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 3/4" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
Brass Slotted Decorative Rounded Head Screws for Wood
Brass screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. A decorative rounded top provides a finished appearance. 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.
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. | |
Brass | ||||||||||
No. 4 | ||||||||||
| 3/8" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 00000 |
| 1/2" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
Stainless Steel Slotted Decorative Rounded 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. 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. | Dia. | Ht. | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
No. 4 | |||||||||
| 1/2" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Fully Threaded | 100 | 000000000 | 000000 |
Flat Head Screws for Particleboard and Fiberboard
Beveled under the head for use in countersunk holes. Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. Length is measured from the top of 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. | Dia. | Dia. Tolerance | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
No. 4 | ||||||||||
| 5/8" | 0.225" | -0.03" | 0.067" | No. 1 | 3/64" | 14 | Fully Threaded | 100 | 000000000 | 000000 |