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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Threading Threading |
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![]() | Partially Threaded |
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Thread Forming | Thread Cutting |
Minimum Thread Length Minimum Thread Length |
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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 Softwood 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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![]() | 17 |
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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. 7 | |||||||||||
1/2" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.375" | 100 | 000000000 | 00000 |
5/8" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
3/4" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
1" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.667" | 100 | 000000000 | 0000 |
1 1/4" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.75" | 100 | 000000000 | 0000 |
1 1/2" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 1" | 100 | 000000000 | 0000 |
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. 7 | |||||||||||
5/8" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.604" | 50 | 000000000 | 00000 |
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. 7 | |||||||||||
1/2" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.333" | 100 | 000000000 | 000000 |
5/8" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
3/4" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
1" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
1 1/2" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
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.
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. 7 | |||||||||||
3/4" | 0.285" | 0.111" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
1" | 0.285" | 0.111" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
1 1/2" | 0.285" | 0.111" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. These screws are black-oxide steel to resist corrosion in dry environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
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Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||
No. 7 | |||||||||
3/8" | 0.296" | 0.106" | No. 2 | No. 49 | 12 | Fully Threaded | 100 | 000000000 | 00000 |
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. 7 | ||||||||||
5/8" | 0.305" | -0.037" | 0.091" | No. 2 | No. 49 | 12 | Fully Threaded | 100 | 000000000 | 00000 |
A curved neck sinks into material, so these screws sit flush with the surface. Also known as deck screws, they have a sharp point and narrow body to penetrate softwood and plastic-wood composite decking material. They're made from hardened steel and have a ultra-corrosion-resistant coating that resists at least 500 hours of salt spray. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
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Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Ultra-Corrosion-Resistant Coated Steel | ||||||||||
No. 7 | ||||||||||
2 1/2" | 0.319" | 7/32" | No. 2 | 5/64" | 9 | Partially Threaded | 2" | 100 | 000000000 | 00000 |
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. The Type 17 auger point and narrow body penetrate softwood and plastic-wood composite decking material. They cut threads into drilled holes as they’re turned, so they require less driving torque and cause less stress on material than thread-forming screws. 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. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
No. 7 | ||||||||||
1" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1/2" | 50 | 000000000 | 000000 |
1 5/8" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 13/16" | 50 | 000000000 | 00000 |
2" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
2 1/4" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/8" | 50 | 000000000 | 00000 |
2 1/2" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/4" | 50 | 000000000 | 00000 |
3" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/2" | 25 | 000000000 | 0000 |
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 trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. The Type 17 auger point and narrow body penetrate softwood and plastic-wood composite decking material. They cut threads into drilled holes as they’re turned, so they require less driving torque and cause less stress on material than thread-forming screws. 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. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||||
No. 7 | ||||||||||
1 5/8" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 13/16" | 50 | 000000000 | 00000 |
2 1/4" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/8" | 25 | 000000000 | 00000 |
3" | 0.23" | 0.125" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/2" | 25 | 000000000 | 00000 |
The neoprene-backed washer seals out contaminants. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. They have a Type 17 auger point to penetrate softwood and plastic-wood composite decking material. Made from 18-8 stainless steel, they have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. 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 | Washer | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | OD | Thick. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||||
No. 7 | ||||||||||||
1" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 1/2" | 25 | 000000000 | 000000 |
1 5/8" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 13/16" | 25 | 000000000 | 00000 |
2 1/4" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 2 1/8" | 10 | 000000000 | 00000 |
3" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/2" | 10 | 000000000 | 00000 |