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About Tapping Screws
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18-8 Stainless Steel Phillips Rounded
Head Screws for Sheet Metal
18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. They penetrate 0.025" and thinner sheet metal. 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. | |
No. 6 | ||||||||
| 1 1/2" | 0.27" | 0.097" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel
Phillips Rounded Head Screws for Sheet Metal
More corrosion resistant than 18-8 stainless steel screws, these have excellent resistance to chemicals and salt water and may be mildly magnetic. They penetrate 0.025" and thinner sheet metal. 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. | |
316 Stainless Steel | ||||||||
No. 6 | ||||||||
| 1 1/2" | 0.27" | 0.097" | No. 2 | No. 32 | 18 | 50 | 000000000 | 00000 |
High-Strength 410 Stainless Steel Phillips
Rounded Head Screws for Sheet Metal
Stronger and more wear resistant than 18-8 and 316 stainless steel, these screws are magnetic and mildly chemical resistant. They're not for use with aluminum. Screws penetrate 0.025" and thinner sheet metal. 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. | |
410 Stainless Steel | ||||||||
No. 6 | ||||||||
| 1 1/2" | 0.27" | 0.097" | No. 2 | No. 32 | 18 | 50 | 000000000 | 00000 |
Steel Phillips Rounded Head Screws for Sheet Metal
These steel screws are available with corrosion-resistant finishes. They penetrate 0.025" and thinner sheet metal. Length is measured from under the head.
Zinc-plated steel screws resist corrosion in wet environments.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
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. 6 | ||||||||||
| 1 1/2" | 0.279" | 0.128" | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 50 | 000000000 | 000000 |