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18-8 Stainless Steel Extra-Wide Rounded Head Screws for Sheet Metal
18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. They have a wider head than standard rounded head screws to distribute holding pressure and reduce the risk of crushing thin metal. 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. | |
18-8 Stainless Steel  | ||||||||
No. 0 | ||||||||
| 1/4" | 0.131" | 0.037" | No. 0 | No. 55 | 52 | 50 | 000000000 | 00000 |
| 3/8" | 0.131" | 0.037" | No. 0 | No. 55 | 52 | 50 | 000000000 | 0000 |
| 1/2" | 0.131" | 0.037" | No. 0 | No. 55 | 52 | 50 | 000000000 | 0000 |
No. 1 | ||||||||
| 1/4" | 0.164" | 0.045" | No. 0 | No. 52 | 48 | 50 | 000000000 | 0000 |
| 3/8" | 0.164" | 0.045" | No. 0 | No. 52 | 48 | 50 | 000000000 | 0000 |
| 1/2" | 0.164" | 0.045" | No. 0 | No. 52 | 48 | 50 | 000000000 | 0000 |
No. 2 | ||||||||
| 1/4" | 0.194" | 0.053" | No. 1 | No. 48 | 32 | 100 | 000000000 | 0000 |
| 3/8" | 0.194" | 0.053" | No. 1 | No. 48 | 32 | 100 | 000000000 | 0000 |
| 1/2" | 0.194" | 0.053" | No. 1 | No. 48 | 32 | 100 | 000000000 | 0000 |
| 5/8" | 0.194" | 0.053" | No. 1 | No. 48 | 32 | 100 | 000000000 | 0000 |
| 3/4" | 0.194" | 0.053" | No. 1 | No. 48 | 32 | 100 | 000000000 | 0000 |
No. 4 | ||||||||
| 3/16" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 50 | 000000000 | 0000 |
| 1/4" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 3/8" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 1/2" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 5/8" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 3/4" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 1" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
No. 6 | ||||||||
| 3/16" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 50 | 000000000 | 0000 |
| 1/4" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 5/16" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 3/8" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 7/16" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 1/2" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 5/8" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 3/4" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 7/8" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 1" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 0000 |
| 1 1/4" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 1 1/2" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 2" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
No. 8 | ||||||||
| 3/8" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 0000 |
| 7/16" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 0000 |
| 1/2" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 0000 |
| 5/8" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 3/4" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 7/8" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1 1/4" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1 1/2" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
| 1 3/4" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
| 2" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
No. 10 | ||||||||
| 3/8" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 100 | 000000000 | 0000 |
| 1/2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 100 | 000000000 | 00000 |
| 5/8" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 100 | 000000000 | 00000 |
| 3/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 0000 |
| 7/8" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1 1/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1 1/2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1 3/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 2 1/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 2 1/2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 2 3/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 3" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 00000 |
No. 12 | ||||||||
| 1/2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 50 | 000000000 | 0000 |
| 5/8" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 50 | 000000000 | 00000 |
| 3/4" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 50 | 000000000 | 00000 |
| 1" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 50 | 000000000 | 00000 |
| 1 1/4" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1 3/4" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 50 | 000000000 | 00000 |
| 2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 0000 |
| 2 1/2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 3" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 10 | 000000000 | 0000 |
No. 14 | ||||||||
| 1/2" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 50 | 000000000 | 00000 |
| 5/8" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 50 | 000000000 | 00000 |
| 3/4" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 50 | 000000000 | 00000 |
| 7/8" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 1/4" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 3/4" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 00000 |
| 2" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 25 | 000000000 | 00000 |
| 2 1/2" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 3" | 0.557" | 0.134" | No. 3 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
Super-Corrosion-Resistant 316 Stainless Steel
Extra-Wide 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 have a wider head than standard rounded head screws to distribute holding presure and reduce the risk of crushing thin metal. 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. 4 | ||||||||
| 1/4" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 00000 |
| 3/8" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
| 1/2" | 0.257" | 0.069" | No. 1 | No. 44 | 24 | 100 | 000000000 | 0000 |
No. 6 | ||||||||
| 1/4" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 3/8" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 1/2" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 5/8" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 3/4" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 50 | 000000000 | 0000 |
| 1" | 0.321" | 0.086" | No. 2 | No. 32 | 18 | 50 | 000000000 | 0000 |
No. 8 | ||||||||
| 3/8" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1/2" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 0000 |
| 5/8" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 0000 |
| 3/4" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
| 1" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
| 1 1/4" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.384" | 0.102" | No. 2 | No. 29 | 15 | 25 | 000000000 | 0000 |
No. 10 | ||||||||
| 3/8" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1/2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 5/8" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 3/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1 1/4" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 2" | 0.448" | 0.118" | No. 2 | No. 21 | 12 | 25 | 000000000 | 00000 |
No. 12 | ||||||||
| 1/2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 0000 |
| 3/4" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.511" | 0.134" | No. 3 | 3/16" | 11 | 25 | 000000000 | 00000 |
No. 14 | ||||||||
| 3/4" | 0.557" | 0.146" | No. 3 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1" | 0.557" | 0.146" | No. 3 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1 1/2" | 0.557" | 0.146" | No. 3 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
Rounded Head Screws with Washer for Sheet Metal
A free-rotating, permanently attached washer distributes holding pressure over a wider area than a flange and remains stationary to prevent scratching the material surface as you tighten the screw. They penetrate 0.025" and thinner sheet metal. Length is measured from the edge of the head. Head height includes the washer.
Black-phosphate and black-oxide steel screws are mildly corrosion resistant in dry environments.
Chrome-plated steel screws have a bright and attractive finish. They're corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
| Lg. | Head Ht. | Washer OD | Drive Size | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
Black-Phosphate Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
No. 6 | ||||||||
| 5/8" | 0.123" | 0.5" | No. 2 | No. 32 | 18 | 50 | 000000000 | 000000 |
| 3/4" | 0.123" | 0.5" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
| 1" | 0.123" | 0.5" | No. 2 | No. 32 | 18 | 100 | 000000000 | 00000 |
No. 8 | ||||||||
| 5/8" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 3/4" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1 1/4" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
No. 10 | ||||||||
| 1/2" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 3/4" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1 1/4" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 50 | 000000000 | 00000 |
Black-Oxide Steel | ||||||||
No. 8 | ||||||||
| 1/2" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
Chrome-Plated Steel | ||||||||
No. 6 | ||||||||
| 5/8" | 0.123" | 0.5" | No. 2 | No. 32 | 18 | 50 | 000000000 | 00000 |
| 3/4" | 0.123" | 0.5" | No. 2 | No. 32 | 18 | 50 | 000000000 | 00000 |
No. 8 | ||||||||
| 5/8" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 3/4" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1 1/4" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1 1/2" | 0.123" | 0.5" | No. 2 | No. 29 | 15 | 50 | 000000000 | 00000 |
No. 10 | ||||||||
| 5/8" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 100 | 000000000 | 00000 |
| 1" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 100 | 000000000 | 00000 |
| 1 1/4" | 0.123" | 0.5" | No. 2 | No. 21 | 12 | 100 | 000000000 | 00000 |
Extra-Wide Rounded Head Drilling Screws for Metal
The extra-wide truss head distributes holding pressure to reduce the risk of crushing thin metal. Use these screws to secure metal wire to steel framing. They save you time and effort by drilling their own holes and fastening in a single operation. Made from steel, they have a zinc plating to resist corrosion in wet environments. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Drill Tip | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Head Ht. | Flange Dia. | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||
No. 8 | |||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 1 3/8" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 5/8" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 3/4" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 7/8" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2 1/4" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2 1/2" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 3" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 3 1/2" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 4" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 5" | No. 2 | 5/32" | 0.098" | 0.097" | 0.44" | No. 2 | 18 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
No. 10 | |||||||||||
| 3/8" | No. 2 | 13/64" | 0.11" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 3/4" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2 1/4" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2 1/2" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2 3/4" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 3" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 3 1/2" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 4" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 4 1/2" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 5" | No. 3 | 1/4" | 0.175" | 0.089" | 0.433" | No. 2 | 16 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
No. 12 | |||||||||||
| 1/2" | No. 2 | 1/4" | 0.11" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 5/8" | No. 2 | 1/4" | 0.11" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/4" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2 1/2" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 3" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 3 1/2" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 4" | No. 3 | 5/16" | 0.21" | 0.113" | 0.452" | No. 2 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
1/4" | |||||||||||
| 1 1/4" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
| 2 1/2" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
| 3" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
| 3 1/2" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
| 4" | No. 3 | 5/16" | 1/4" | 0.131" | 0.521" | No. 3 | 14 | Steel, Sheet Metal | 5 | 000000000 | 00000 |
Drilling Screws for Joining Fabric to Metal
These screws have a free-rotating, permanently attached washer that remains stationary while tightening to prevent bunching while attaching tarps and other fabric to metal. They save you time and effort by drilling their own holes and fastening in a single operation. Made from steel, they're zinc-plated to resist corrosion in wet environments. Length is measured from the edge of the head.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Dia. | Ht. | Washer OD | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 3/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 50 | 000000000 | 000000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 50 | 000000000 | 00000 |
Black Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 3/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.332" | 0.152" | 0.493" | No. 2 | 18 | Steel, Fabric, Sheet Metal | 25 | 000000000 | 00000 |