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About Tapping Screws
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Compare drilling, pointed, thread-forming, and thread-cutting tips to find the best choice for your material.
Sealing Steel Flanged Hex Head Drilling Screws with Washer
 |
 |
Drill, drive, and create a watertight seal all in one shot. The screws have rubber-bonded washer that compresses to keep out moisture. The washer also spreads the load to prevent crushing thin metal. Use a nutdriver or socket to turn the hex head.
Length is measured from under the head.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
Corrosion-Resistant-Coated Steel with 18-8 Stainless Steel Head—These screws have a steel shank and rust-resistant stainless steel head. The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
Drill Tip | Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Point Size | Lg. | Wd. | Ht. | Max. Drilling Thk. | Tapping Screw Type | Approx. Threads per In. | Washer Material | Washer OD | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel | ||||||||||||||
No. 8 Screw Size | ||||||||||||||
| 3/4" | No. 2 | 3/16" | 0.25" | 0.242" | 0.098" | BSD | 18 | Rubber/Steel | 0.5" | 50 | 94059A201 | 00000 | ||
| 1" | No. 2 | 0.148" | 0.25" | 0.248" | 0.098" | BSD | 18 | Rubber/Steel | 0.5" | 25 | 94059A203 | 0000 | ||
| 1 1/2" | No. 2 | 9/64" | 0.25" | 0.242" | 0.098" | BSD | 18 | Rubber/Steel | 0.5" | 25 | 94059A205 | 0000 | ||
No. 10 Screw Size | ||||||||||||||
| 3/4" | No. 3 | 1/4" | 0.313" | 0.252" | 0.15" | BSD | 16 | Rubber/Steel | 0.5" | 100 | 94059A245 | 00000 | ||
| 1" | No. 3 | 1/4" | 0.313" | 0.279" | 0.176" | BSD | 16 | Rubber/Steel | 0.5" | 100 | 94059A247 | 00000 | ||
| 1 1/4" | No. 3 | 7/32" | 0.313" | 0.252" | 0.15" | BSD | 16 | Rubber/Steel | 0.5" | 50 | 94059A249 | 00000 | ||
No. 12 Screw Size | ||||||||||||||
| 3/4" | No. 3 | 9/32" | 0.313" | 0.295" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 100 | 94059A294 | 00000 | ||
| 7/8" | No. 4 | 0.325" | 0.313" | 0.303" | 0.21" | CSD | 24 | Rubber/Steel | 0.563" | 50 | 94059A261 | 00000 | ||
| 1" | No. 3 | 9/32" | 0.313" | 0.295" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 100 | 94059A296 | 00000 | ||
| 1 1/4" | No. 3 | 0.254" | 0.313" | 0.303" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 50 | 94059A298 | 00000 | ||
| 1 1/4" | No. 5 | 45/64" | 0.313" | 0.295" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 50 | 94059A311 | 00000 | ||
| 1 1/2" | No. 5 | 21/32" | 0.313" | 0.295" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 25 | 94059A313 | 00000 | ||
| 2" | No. 3 | 0.254" | 0.313" | 0.303" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 50 | 94059A301 | 00000 | ||
| 2" | No. 5 | 21/32" | 0.313" | 0.295" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 25 | 94059A315 | 00000 | ||
| 2 1/2" | No. 3 | 0.254" | 0.313" | 0.303" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 94059A303 | 00000 | ||
| 3" | No. 3 | 1/4" | 0.313" | 0.295" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 10 | 94059A305 | 00000 | ||
1/4" Screw Size | ||||||||||||||
| 3/4" | No. 3 | 5/16" | 0.375" | 0.365" | 0.22" | BSD | 14 | Rubber/Steel | 0.625" | 50 | 94059A541 | 00000 | ||
| 1" | No. 3 | 5/16" | 0.375" | 0.341" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 50 | 94059A542 | 00000 | ||
| 1 1/2" | No. 3 | 5/16" | 0.375" | 0.341" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 50 | 94059A546 | 00000 | ||
| 2 1/2" | No. 3 | 1/4" | 0.375" | 0.341" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 25 | 94059A552 | 00000 | ||
| 3" | No. 3 | 5/16" | 0.375" | 0.341" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 25 | 94059A551 | 00000 | ||
Corrosion-Resistant-Coated Steel | ||||||||||||||
No. 10 Screw Size | ||||||||||||||
| 3/4" | No. 3 | 1/4" | 0.313" | 0.305" | 0.15" | BSD | 16 | Rubber/Steel | 0.5" | 50 | 90628A284 | 00000 | ||
| 1" | No. 2 | 3/16" | 0.313" | 0.265" | 0.106" | BSD | 16 | Rubber/Steel | 0.5" | 25 | 90628A286 | 00000 | ||
| 1 1/2" | No. 3 | 1/4" | 0.313" | 0.252" | 0.15" | BSD | 16 | Rubber/Steel | 0.5" | 50 | 94059A251 | 00000 | ||
| 1 1/2" | No. 4 | 19/64" | 0.313" | 0.265" | 0.175" | BSD | 16 | Rubber/Steel | 0.5" | 50 | 90628A288 | 00000 | ||
| 2" | No. 3 | 7/32" | 0.313" | 0.28" | 0.15" | BSD | 16 | Rubber/Steel | 0.5" | 25 | 90628A290 | 00000 | ||
No. 12 Screw Size | ||||||||||||||
| 3/4" | No. 3 | 9/32" | 0.313" | 0.255" | 0.21" | BSD | 14 | Rubber/Steel | 0.563" | 50 | 90628A297 | 0000 | ||
| 7/8" | No. 4 | 9/32" | 0.313" | 0.285" | 0.21" | CSD | 24 | Rubber/Steel | 0.563" | 50 | 90628A321 | 00000 | ||
| 1" | No. 2 | 1/2" | 0.313" | 0.34" | 0.14" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A296 | 00000 | ||
| 1 1/4" | No. 2 | 1/2" | 0.313" | 0.38" | 0.14" | BSD | 14 | Rubber/Steel | 0.563" | 50 | 90628A298 | 00000 | ||
| 1 1/4" | No. 4.5 | 1/2" | 0.313" | 0.285" | 3/8" | CSD | 24 | Rubber/Steel | 0.563" | 25 | 90628A323 | 00000 | ||
| 1 1/4" | No. 5 | 45/64" | 0.313" | 0.285" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 25 | 90628A331 | 00000 | ||
| 1 1/2" | No. 2 | 1/2" | 0.313" | 0.38" | 0.14" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A301 | 00000 | ||
| 1 1/2" | No. 3 | 9/32" | 0.313" | 0.295" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 50 | 94059A299 | 00000 | ||
| 1 1/2" | No. 4.5 | 0.426" | 0.313" | 0.303" | 3/8" | CSD | 24 | Rubber/Steel | 0.563" | 10 | 90628A326 | 00000 | ||
| 1 1/2" | No. 5 | 45/64" | 0.313" | 0.285" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 10 | 90628A333 | 00000 | ||
| 2" | No. 2 | 1/2" | 0.313" | 0.34" | 0.14" | BSD | 14 | Rubber/Steel | 0.563" | 10 | 90628A303 | 0000 | ||
| 2" | No. 5 | 45/64" | 0.313" | 0.285" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 10 | 90628A335 | 00000 | ||
| 2 1/2" | No. 3 | 1/4" | 0.313" | 0.34" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A305 | 00000 | ||
| 3" | No. 3 | 9/32" | 0.313" | 0.273" | 0.187" | BSD | 14 | Rubber/Steel | 0.563" | 10 | 90628A307 | 00000 | ||
| 3" | No. 5 | 21/32" | 0.313" | 0.305" | 1/2" | CSD | 24 | Rubber/Steel | 0.563" | 10 | 90628A340 | 00000 | ||
| 4" | No. 3 | 9/32" | 0.313" | 0.255" | 0.21" | BSD | 14 | Rubber/Steel | 0.563" | 10 | 90628A311 | 0000 | ||
1/4" Screw Size | ||||||||||||||
| 7/8" | No. 1 | 5/16" | 0.375" | 0.38" | 0.048" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A541 | 00000 | ||
| 1" | No. 3 | 5/16" | 0.375" | 0.405" | 0.21" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A542 | 00000 | ||
| 1 1/2" | No. 3 | 5/16" | 0.375" | 0.405" | 0.21" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A546 | 00000 | ||
| 2" | No. 3 | 5/16" | 0.375" | 0.323" | 0.21" | BSD | 14 | Rubber/Steel | 0.563" | 25 | 90628A645 | 00000 | ||
| 3" | No. 3 | 5/16" | 0.375" | 0.36" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 10 | 90628A647 | 00000 | ||
| 4" | No. 3 | 5/16" | 0.375" | 0.36" | 0.21" | BSD | 14 | Rubber/Steel | 0.625" | 10 | 90628A652 | 00000 | ||
Corrosion-Resistant-Coated Steel with 18-8 Stainless Steel Head | ||||||||||||||
No. 12 Screw Size | ||||||||||||||
| 1" | No. 2 | 1/2" | 0.313" | 0.35" | 0.14" | BSD | 14 | Rubber/Steel | 0.438" | 25 | 95135A210 | 00000 | ||
| 1 1/4" | No. 2 | 1/2" | 0.313" | 0.35" | 0.14" | BSD | 14 | Rubber/Steel | 0.438" | 25 | 95135A215 | 00000 | ||
| 1 1/2" | No. 2 | 1/2" | 0.313" | 0.35" | 0.14" | BSD | 14 | Rubber/Steel | 0.438" | 25 | 95135A220 | 00000 | ||
| 2" | No. 5 | 45/64" | 0.313" | 0.35" | 0.5" | CSD | 24 | Rubber/Steel | 0.438" | 10 | 95135A530 | 00000 | ||
1/4" Screw Size | ||||||||||||||
| 7/8" | No. 1 | 5/16" | 0.313" | 0.35" | 0.048" | BSD | 14 | Rubber/Steel | 0.438" | 25 | 95135A615 | 00000 | ||
| 1 1/8" | No. 1 | 5/16" | 0.313" | 0.35" | 0.048" | BSD | 14 | Rubber/Steel | 0.438" | 25 | 95135A625 | 00000 | ||
Sealing Stainless Steel Flanged Hex Head Drilling Screws with Washer
 |
These corrosion-resistant screws drill, drive, and create a watertight seal all in one shot. The rubber-bonded washer compresses to keep out moisture and spreads the load to prevent crushing thin metal. Use a nutdriver or socket to turn the hex head.
Length is measured from under the head.
Zinc-Plated 410 Stainless Steel—With a layer of zinc for added corrosion resistance, these screws are tougher and more wear resistant than other stainless steel screws.
Drill Tip | Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Point Size | Lg. | Wd. | Ht. | Max. Drilling Thk. | Tapping Screw Type | Approx. Threads per In. | Washer Material | Washer OD | Pkg. Qty. | Pkg. | |||
Zinc-Plated 410 Stainless Steel | ||||||||||||||
No. 8 Screw Size | ||||||||||||||
| 1/2" | No. 2 | 3/16" | 0.25" | 0.211" | 0.098" | BSD | 18 | Rubber/Stainless Steel | 0.5" | 25 | 94058A105 | 000000 | ||
| 3/4" | No. 2 | 3/16" | 0.25" | 0.211" | 0.098" | BSD | 18 | Rubber/Stainless Steel | 0.5" | 25 | 94058A110 | 00000 | ||
| 1" | No. 2 | 3/16" | 0.25" | 0.29" | 0.098" | BSD | 18 | Rubber/Stainless Steel | 0.5" | 25 | 94058A111 | 0000 | ||
| 1 1/4" | No. 2 | 3/16" | 0.25" | 0.29" | 0.098" | BSD | 18 | Rubber/Stainless Steel | 0.5" | 25 | 94058A112 | 00000 | ||
No. 10 Screw Size | ||||||||||||||
| 5/8" | No. 3 | 1/4" | 0.313" | 0.221" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A117 | 00000 | ||
| 3/4" | No. 3 | 1/4" | 0.313" | 0.221" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A120 | 00000 | ||
| 1" | No. 3 | 1/4" | 0.313" | 0.221" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A125 | 00000 | ||
| 1 1/4" | No. 3 | 1/4" | 0.313" | 0.3" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A127 | 0000 | ||
| 1 1/2" | No. 3 | 1/4" | 0.313" | 0.3" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A129 | 00000 | ||
| 2" | No. 3 | 1/4" | 0.313" | 0.3" | 0.15" | BSD | 16 | Rubber/Stainless Steel | 0.5" | 25 | 94058A131 | 00000 | ||
No. 12 Screw Size | ||||||||||||||
| 3/4" | No. 3 | 9/32" | 0.313" | 0.256" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 25 | 94058A294 | 00000 | ||
| 1" | No. 3 | 9/32" | 0.313" | 0.256" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 25 | 94058A296 | 00000 | ||
| 1 1/4" | No. 3 | 9/32" | 0.313" | 0.256" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 10 | 94058A297 | 0000 | ||
| 1 1/4" | No. 4 | 9/32" | 0.313" | 0.32" | 0.21" | CSD | 24 | Rubber/Stainless Steel | 0.563" | 10 | 94058A299 | 0000 | ||
| 1 1/4" | No. 5 | 45/64" | 0.313" | 0.256" | 1/2" | CSD | 24 | Rubber/Stainless Steel | 0.563" | 10 | 94058A301 | 00000 | ||
| 1 1/2" | No. 3 | 9/32" | 0.313" | 0.256" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 10 | 94058A298 | 0000 | ||
| 2" | No. 3 | 9/32" | 0.313" | 0.32" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 10 | 94058A311 | 0000 | ||
| 2" | No. 5 | 45/64" | 0.313" | 0.32" | 1/2" | CSD | 24 | Rubber/Stainless Steel | 0.563" | 5 | 94058A321 | 0000 | ||
| 2 1/2" | No. 3 | 9/32" | 0.313" | 0.32" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 10 | 94058A315 | 0000 | ||
| 3" | No. 3 | 9/32" | 0.313" | 0.32" | 0.187" | BSD | 14 | Rubber/Stainless Steel | 0.563" | 10 | 94058A319 | 00000 | ||
1/4" Screw Size | ||||||||||||||
| 3/4" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A540 | 0000 | ||
| 7/8" | No. 1 | 5/16" | 0.313" | 0.291" | 0.048" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A541 | 00000 | ||
| 1" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A542 | 0000 | ||
| 1 1/4" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A543 | 0000 | ||
| 1 1/2" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A544 | 00000 | ||
| 2" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A548 | 00000 | ||
| 2 1/2" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A550 | 00000 | ||
| 3" | No. 3 | 5/16" | 0.375" | 0.291" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 10 | 94058A555 | 00000 | ||
| 4" | No. 3 | 5/16" | 0.375" | 0.355" | 0.21" | BSD | 14 | Rubber/Stainless Steel | 0.625" | 5 | 94058A559 | 0000 | ||
Screws for Joining Sheet Metal to Wood
 |
Secure thin metal roofing and siding panels to wooden framing in post-frame buildings. These screws have a sharp tip to pierce metal and deep, widely spaced threads to grip wood. They resist pullout, even in high winds or under heavy vibration. The sealing washer keeps out water to prevent leaks.
Length is measured from under the head.
Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Tapping Screw Type | Approx. Threads per In. | Drill Bit Size | Washer Material | Washer OD | Pkg. Qty. | Pkg. | |||
Corrosion-Resistant-Coated Steel | ||||||||||||
No. 9 Screw Size | ||||||||||||
| 1" | 0.25" | 0.16" | A | 15 | — | Rubber/Steel | 0.472" | 100 | 98392A110 | 000000 | ||
| 1 1/2" | 0.25" | 0.16" | A | 15 | — | Rubber/Steel | 0.472" | 50 | 98392A120 | 0000 | ||
| 2" | 0.25" | 0.16" | A | 15 | — | Rubber/Steel | 0.472" | 50 | 98392A130 | 0000 | ||
| 2 1/2" | 0.25" | 0.16" | A | 15 | — | Rubber/Steel | 0.472" | 50 | 98392A140 | 00000 | ||
No. 10 Screw Size | ||||||||||||
| 1" | 0.25" | 0.169" | Needle | 16 | 21 Ga. | Rubber/Steel | 0.45" | 100 | 98392A480 | 0000 | ||
| 2 1/2" | 0.25" | 0.169" | Needle | 12 | 21 Ga. | Rubber/Steel | 0.45" | 50 | 98392A610 | 0000 | ||
| 3" | 0.25" | 0.169" | Needle | 12 | 21 Ga. | Rubber/Steel | 0.45" | 50 | 98392A650 | 0000 | ||
No. 14 Screw Size | ||||||||||||
| 1 1/2" | 0.313" | 0.15" | 17 | 10 | — | Rubber/Steel | 0.593" | 25 | 98392A160 | 0000 | ||
Sealing Steel Hex Head Screws with Washer for Sheet Metal
 |  |
Create a tight seal to prevent leaks through sheet metal panels. These screws have a rubber-bonded washer to keep out fluids and distribute pressure. The hex head gives you a firm, high-torque grip with a nutdriver or socket. A pointed tip starts a hole in sheet metal up to 0.025" thick, but for thicker material you’ll need to drill first.
Length is measured from under the head.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Tapping Screw Type | Approx. Threads per In. | Drill Bit Size | Washer Material | Washer OD | Washer Thk. | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel | |||||||||||||
No. 14 Screw Size | |||||||||||||
| 5/8" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A312 | 00000 | ||
| 3/4" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 50 | 90066A313 | 00000 | ||
| 1" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 50 | 90066A315 | 00000 | ||
| 1 1/4" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 50 | 90066A316 | 00000 | ||
| 1 1/2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 50 | 90066A317 | 00000 | ||
| 2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A319 | 00000 | ||
| 2 1/2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A321 | 00000 | ||
| 3" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A323 | 00000 | ||
| 4" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 10 | 90066A324 | 00000 | ||
| 5" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Steel | 0.625" | 0.101" | 5 | 90066A327 | 0000 | ||
No. 17 Screw Size | |||||||||||||
| 3/4" | 0.375" | 0.181" | AB | 10 | 1/4" | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A821 | 0000 | ||
| 1" | 0.375" | 0.181" | AB | 10 | 1/4" | Rubber/Steel | 0.625" | 0.101" | 25 | 90066A823 | 00000 | ||
Sealing Stainless Steel Hex Head Screws with Washer for Sheet Metal
 |  |
These corrosion-resistant screws prevent leaks through sheet metal panels. Their rubber-bonded washer seals out fluids and distributes pressure. The hex head gives you a firm, high-torque grip with a nutdriver or socket. A pointed tip starts a hole in sheet metal up to 0.025" thick, but for thicker material you’ll need to drill first.
Length is measured from under the head.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Tapping Screw Type | Approx. Threads per In. | Drill Bit Size | Washer Material | Washer OD | Washer Thk. | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | |||||||||||||
No. 14 Screw Size | |||||||||||||
| 3/4" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A313 | 00000 | ||
| 1" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A315 | 0000 | ||
| 1 1/2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A317 | 00000 | ||
| 2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A319 | 00000 | ||
| 2 1/2" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 5 | 91644A321 | 0000 | ||
| 3" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 5 | 91644A323 | 00000 | ||
| 4" | 0.375" | 0.181" | A | 10 | 5.5 mm | Rubber/Stainless Steel | 0.625" | 0.101" | 1 | 91644A326 | 0000 | ||
No. 17 Screw Size | |||||||||||||
| 3/4" | 0.375" | 0.181" | AB | 10 | 1/4" | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A821 | 00000 | ||
| 1" | 0.375" | 0.181" | AB | 10 | 1/4" | Rubber/Stainless Steel | 0.625" | 0.101" | 10 | 91644A825 | 00000 | ||
Sealing Stainless Steel Phillips Rounded Head Blunt Screws for Sheet Metal
 |
Create a tight, corrosion-resistant joint that prevents leaks. These screws have a bonded washer under the head to keep out fluids and distribute pressure. With a blunt tip instead of a point, they reduce the chance of damaging sheet metal. Install in a drilled hole and the fine threads form a strong hold. The Phillips drive handles enough torque to keep drivers from slipping.
Length is measured from under the head.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type | Drive Size | Approx. Threads per In. | Drill Bit Size | Shank Cross Section | O-Ring Material | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | |||||||||||||
No. 4 Screw Size | |||||||||||||
| 1/4" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A334 | 000000 | ||
| 5/16" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A331 | 00000 | ||
| 3/8" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A336 | 00000 | ||
| 1/2" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A339 | 00000 | ||
| 5/8" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A342 | 00000 | ||
| 3/4" | 0.219" | 0.068" | B | No. 1 | 24 | 44 Ga. | Round | Rubber | 10 | 93035A344 | 00000 | ||
No. 6 Screw Size | |||||||||||||
| 1/4" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A417 | 00000 | ||
| 5/16" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A420 | 00000 | ||
| 3/8" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A422 | 00000 | ||
| 1/2" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A426 | 00000 | ||
| 5/8" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A430 | 00000 | ||
| 3/4" | 0.27" | 0.082" | B | No. 2 | 20 | 32 Ga. | Round | Rubber | 10 | 93035A433 | 00000 | ||
No. 8 Screw Size | |||||||||||||
| 1/4" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A506 | 00000 | ||
| 3/8" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A513 | 00000 | ||
| 1/2" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A517 | 00000 | ||
| 5/8" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A522 | 00000 | ||
| 3/4" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A525 | 00000 | ||
| 1" | 0.322" | 0.096" | B | No. 2 | 18 | 29 Ga. | Round | Rubber | 10 | 93035A528 | 00000 | ||
Stainless Steel Hex Head Screws for Joining Plastic to Wood
 |
Tighten these corrosion-resistant screws with a nutdriver or socket to mount plastic panels. Wings under the head cut a hole slightly larger than the threads, so the plastic can expand and contract as temperatures change. The threads engage only with the wood below, leaving space for the plastic. A washer made from aluminum and rubber bonded to steel adds a watertight seal.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Approx. Threads per In. | Washer Material | Washer OD | Washer Thk. | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | |||||||||||
No. 12 Screw Size | |||||||||||
| 1 1/4" | 0.25" | 0.136" | 11 | Aluminum/Rubber/Steel | 0.551" | 0.13" | 25 | 92879A173 | 000000 | ||
| 1 3/4" | 0.25" | 0.136" | 11 | Aluminum/Rubber/Steel | 0.551" | 0.13" | 25 | 92879A176 | 00000 | ||
| 2" | 0.25" | 0.136" | 11 | Aluminum/Rubber/Steel | 0.551" | 0.13" | 25 | 92879A178 | 00000 | ||
Steel Rounded Head Screws for Joining Plastic to Wood
 |
Mount plastic panels to wood with screws that prevent cracking and warping. Wings under the head cut a hole slightly larger than the threads, so the plastic can expand and contract as temperatures change. The threads engage only with the wood below, leaving space for the plastic. Screws have a washer made from aluminum and rubber bonded to steel for a watertight seal. The Phillips drive handles enough torque to keep drivers from slipping and the rounded head creates a finished look.
Length is measured from under the head.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Sealing Screws for Wood and Composite Wood
 |
Head | Washer | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drill Bit Size | Flat Head Profile | Approx. Threads per In. | Threading | OD | Thk. | Tapping Method | Tapping Screw Type | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel with Stainless Steel and Rubber Washer | |||||||||||||||
No. 7 | |||||||||||||||
| 1" | 0.23" | 0.125" | 1/16" | Standard | 16 | Partially Threaded | 0.63" | 0.2" | Thread Cutting | 17 | 25 | 91540A100 | 000000 | ||
| 1 5/8" | 0.23" | 0.125" | 1/16" | Standard | 16 | Partially Threaded | 0.63" | 0.2" | Thread Cutting | 17 | 25 | 91540A200 | 00000 | ||
| 2 1/4" | 0.23" | 0.125" | 1/16" | Standard | 16 | Partially Threaded | 0.63" | 0.2" | Thread Cutting | 17 | 10 | 91540A300 | 00000 | ||
| 3" | 0.23" | 0.125" | 1/16" | Standard | 16 | Partially Threaded | 0.63" | 0.2" | Thread Cutting | 17 | 10 | 91540A400 | 00000 | ||
Steel Hex Head Screws for Joining Plastic to Wood
 |
Use the high torque of a nutdriver or socket to mount plastic panels to wood without cracking or warping them. Wings under the head cut a hole slightly larger than the threads, so the plastic can expand and contract as temperatures change. The threads engage only with the wood below, leaving space for the plastic. A washer made from aluminum and rubber bonded to steel adds a watertight seal.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
