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Hardwood Drill Bit Size Decimal Equivalent Hardwood Drill Bit SizeDecimal Equivalent |
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Softwood Drill Bit Size Decimal Equivalent Softwood Drill Bit SizeDecimal Equivalent |
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About Tapping Screws
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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. 2 | |||||||||||
| 1/4" | 0.172" | 0.051" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.167" | 100 | 000000000 | 00000 |
| 3/8" | 0.172" | 0.051" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.172" | 0.051" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 3 | |||||||||||
| 3/8" | 0.199" | 0.059" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.199" | 0.059" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.199" | 0.059" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.199" | 0.059" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
No. 4 | |||||||||||
| 1/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.167" | 100 | 000000000 | 0000 |
| 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 | 0000 |
| 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 | 0000 |
| 1 1/4" | 0.225" | 0.067" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.833" | 100 | 000000000 | 00000 |
No. 5 | |||||||||||
| 1/2" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 7/8" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.583" | 100 | 000000000 | 00000 |
| 1" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.833" | 100 | 000000000 | 00000 |
| 1 1/2" | 0.252" | 0.075" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 1" | 50 | 000000000 | 0000 |
No. 6 | |||||||||||
| 3/8" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 7/8" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.583" | 100 | 000000000 | 00000 |
| 1" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
| 1 1/2" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 0000 |
| 2" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 1.333" | 50 | 000000000 | 00000 |
| 2 1/2" | 0.279" | 0.083" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 1.667" | 25 | 000000000 | 0000 |
No. 7 | |||||||||||
| 1/2" | 0.305" | 0.091" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 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 |
No. 8 | |||||||||||
| 1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 5/8" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 7/8" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.583" | 50 | 000000000 | 0000 |
| 1" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
| 1 1/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 1 3/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.167" | 25 | 000000000 | 0000 |
| 2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.333" | 50 | 000000000 | 00000 |
| 2 1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.667" | 25 | 000000000 | 0000 |
| 3" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 2" | 25 | 000000000 | 00000 |
No. 9 | |||||||||||
| 5/8" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.417" | 50 | 000000000 | 0000 |
| 3/4" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 10 | |||||||||||
| 5/8" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.417" | 50 | 000000000 | 0000 |
| 3/4" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
| 1" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 1 3/4" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.167" | 25 | 000000000 | 00000 |
| 2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.333" | 25 | 000000000 | 00000 |
| 2 1/2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.667" | 10 | 000000000 | 0000 |
| 3" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 2" | 10 | 000000000 | 0000 |
| 3 1/2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 2.333" | 10 | 000000000 | 0000 |
No. 12 | |||||||||||
| 3/4" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 0.5" | 25 | 000000000 | 0000 |
| 1" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 0.667" | 25 | 000000000 | 0000 |
| 1 1/4" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 1 3/4" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.167" | 25 | 000000000 | 00000 |
| 2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.333" | 10 | 000000000 | 0000 |
| 2 1/2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.667" | 10 | 000000000 | 0000 |
| 3" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 2" | 10 | 000000000 | 0000 |
| 3 1/2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 2.333" | 10 | 000000000 | 00000 |
No. 14 | |||||||||||
| 1 1/2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1" | 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 |
| 4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 10 | 000000000 | 00000 |
Brass Square-Drive 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. 6 | |||||||||||
| 3/4" | 0.279" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 000000 |
| 1" | 0.279" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.279" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
No. 8 | |||||||||||
| 3/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 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. 2 | ||||||||||
| 1/4" | 0.172" | 0.051" | 1/32" | 3/64" | 26 | Partially Threaded | 0.167" | 100 | 000000000 | 00000 |
| 3/8" | 0.172" | 0.051" | 1/32" | 3/64" | 26 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.172" | 0.051" | 1/32" | 3/64" | 26 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 3 | ||||||||||
| 3/8" | 0.199" | 0.059" | 3/64" | 1/16" | 24 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.199" | 0.059" | 3/64" | 1/16" | 24 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 4 | ||||||||||
| 3/8" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 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 | 0000 |
| 1" | 0.225" | 0.067" | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 0000 |
No. 5 | ||||||||||
| 1/2" | 0.252" | 0.075" | 1/16" | 5/64" | 20 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.252" | 0.075" | 1/16" | 5/64" | 20 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.252" | 0.075" | 1/16" | 5/64" | 20 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
No. 6 | ||||||||||
| 3/8" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
| 1 1/2" | 0.279" | 0.083" | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 0000 |
No. 7 | ||||||||||
| 3/4" | 0.305" | 0.091" | 1/16" | 3/32" | 16 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.305" | 0.091" | 1/16" | 3/32" | 16 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
No. 8 | ||||||||||
| 1/2" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 3/4" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
| 1 1/4" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
| 2" | 0.332" | 0.1" | 5/64" | 3/32" | 15 | Partially Threaded | 1.333" | 25 | 000000000 | 0000 |
No. 10 | ||||||||||
| 3/4" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
| 1" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 2" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 1.333" | 25 | 000000000 | 00000 |
| 2 1/2" | 0.385" | 0.116" | 3/32" | 7/64" | 13 | Partially Threaded | 1.667" | 25 | 000000000 | 00000 |
No. 12 | ||||||||||
| 1" | 0.438" | 0.132" | 7/64" | 1/8" | 11 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.438" | 0.132" | 7/64" | 1/8" | 11 | Partially Threaded | 0.833" | 25 | 000000000 | 00000 |
| 1 1/2" | 0.438" | 0.132" | 7/64" | 1/8" | 11 | Partially Threaded | 1" | 25 | 000000000 | 00000 |
| 2" | 0.438" | 0.132" | 7/64" | 1/8" | 11 | Partially Threaded | 1.333" | 25 | 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 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 | ||||||||||
| 1/2" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 3/4" | 0.225" | 0.104" | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
No. 5 | ||||||||||
| 3/4" | 0.252" | 0.116" | 1/16" | 5/64" | 20 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
No. 6 | ||||||||||
| 1/2" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
| 1 1/2" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 8 | ||||||||||
| 3/4" | 0.332" | 0.152" | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.332" | 0.152" | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.332" | 0.152" | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.332" | 0.152" | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 10 | ||||||||||
| 1" | 0.385" | 0.176" | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.385" | 0.176" | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 000000000 | 00000 |
Phillips Oval Head Screws for Wood
A decorative rounded top provides a finished appearance. These 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. Made from brass, these screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. 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. 6 | |||||||||||
| 1/2" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 5/8" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
| 1 1/2" | 0.279" | 0.128" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 8 | |||||||||||
| 3/4" | 0.332" | 0.152" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.332" | 0.152" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.332" | 0.152" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.332" | 0.152" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 10 | |||||||||||
| 1" | 0.385" | 0.176" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.385" | 0.176" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.385" | 0.176" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 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. 2 | ||||||||||
| 1/4" | 0.162" | 0.069" | 1/32" | 3/64" | 26 | Partially Threaded | 0.167" | 100 | 000000000 | 00000 |
| 3/8" | 0.162" | 0.069" | 1/32" | 3/64" | 26 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.162" | 0.069" | 1/32" | 3/64" | 26 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 3 | ||||||||||
| 3/8" | 0.187" | 0.078" | 3/64" | 1/16" | 24 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.187" | 0.078" | 3/64" | 1/16" | 24 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 4 | ||||||||||
| 3/8" | 0.211" | 0.086" | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 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 | 0000 |
No. 5 | ||||||||||
| 1/2" | 0.236" | 0.095" | 1/16" | 5/64" | 20 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 3/4" | 0.236" | 0.095" | 1/16" | 5/64" | 20 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
No. 6 | ||||||||||
| 3/8" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 0000 |
| 1 1/2" | 0.26" | 0.103" | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 0000 |
No. 8 | ||||||||||
| 1/2" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 5/8" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
| 1 1/4" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
| 2" | 0.309" | 0.12" | 5/64" | 3/32" | 15 | Partially Threaded | 1.333" | 25 | 000000000 | 0000 |
No. 10 | ||||||||||
| 3/4" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
| 1" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 2" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 1.333" | 25 | 000000000 | 00000 |
| 2 1/2" | 0.359" | 0.137" | 3/32" | 7/64" | 13 | Partially Threaded | 1.667" | 25 | 000000000 | 00000 |
No. 12 | ||||||||||
| 1" | 0.408" | 0.153" | 7/64" | 1/8" | 11 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.408" | 0.153" | 7/64" | 1/8" | 11 | Partially Threaded | 1" | 25 | 000000000 | 00000 |
| 2" | 0.408" | 0.153" | 7/64" | 1/8" | 11 | Partially Threaded | 1.333" | 25 | 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. 2 | |||||||||||
| 1/4" | 0.162" | 0.069" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.167" | 100 | 000000000 | 00000 |
| 3/8" | 0.162" | 0.069" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.162" | 0.069" | No. 1 | 1/32" | 3/64" | 26 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
No. 3 | |||||||||||
| 5/8" | 0.187" | 0.078" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.187" | 0.078" | No. 1 | 3/64" | 1/16" | 24 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
No. 4 | |||||||||||
| 3/8" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.417" | 100 | 000000000 | 0000 |
| 3/4" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.5" | 100 | 000000000 | 0000 |
| 1" | 0.211" | 0.086" | No. 1 | 3/64" | 1/16" | 22 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
No. 5 | |||||||||||
| 3/8" | 0.236" | 0.095" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.25" | 100 | 000000000 | 0000 |
| 1/2" | 0.236" | 0.095" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.236" | 0.095" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.417" | 100 | 000000000 | 00000 |
| 3/4" | 0.236" | 0.095" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.236" | 0.095" | No. 2 | 1/16" | 5/64" | 20 | Partially Threaded | 0.667" | 100 | 000000000 | 00000 |
No. 6 | |||||||||||
| 1/2" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 100 | 000000000 | 0000 |
| 5/8" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.417" | 50 | 000000000 | 0000 |
| 3/4" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 50 | 000000000 | 0000 |
| 1 1/4" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.26" | 0.103" | No. 2 | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
No. 7 | |||||||||||
| 3/4" | 0.285" | 0.111" | No. 2 | 1/16" | 3/32" | 16 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 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 |
No. 8 | |||||||||||
| 1/2" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.333" | 100 | 000000000 | 00000 |
| 5/8" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.417" | 50 | 000000000 | 0000 |
| 3/4" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 50 | 000000000 | 0000 |
| 1" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/4" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 2" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.333" | 25 | 000000000 | 00000 |
| 2 1/2" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.667" | 25 | 000000000 | 00000 |
| 3" | 0.309" | 0.12" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 2" | 10 | 000000000 | 0000 |
No. 10 | |||||||||||
| 1/2" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.333" | 50 | 000000000 | 00000 |
| 5/8" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.417" | 50 | 000000000 | 00000 |
| 3/4" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
| 1" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 25 | 000000000 | 0000 |
| 1 1/4" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.833" | 25 | 000000000 | 0000 |
| 1 1/2" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 25 | 000000000 | 0000 |
| 2" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.333" | 10 | 000000000 | 0000 |
| 2 1/2" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.667" | 10 | 000000000 | 0000 |
| 3" | 0.359" | 0.137" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 2" | 10 | 000000000 | 00000 |
No. 12 | |||||||||||
| 1" | 0.408" | 0.153" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 0.667" | 25 | 000000000 | 00000 |
| 1 1/4" | 0.408" | 0.153" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 0.833" | 10 | 000000000 | 0000 |
| 1 1/2" | 0.408" | 0.153" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1" | 10 | 000000000 | 0000 |
| 2" | 0.408" | 0.153" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.333" | 10 | 000000000 | 0000 |
No. 14 | |||||||||||
| 3/4" | 0.457" | 0.17" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 0.5" | 10 | 000000000 | 0000 |
| 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 |
Brass Combination Slotted/Phillips
Rounded Head Screws for Sheet Metal
Brass screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. 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 | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
Brass | ||||||||
No. 10 | ||||||||
| 3/4" | 0.373" | 0.133" | No. 2 | No. 21 | 12 | 25 | 000000000 | 000000 |