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Sealing Tamper-Resistant Torx Stainless Steel Button Head Screws
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Restrict unauthorized access while keeping out contaminants and locking in air and fluid. Also known as pin-in Torx, these screws have a security pin in the drive that only turns with a tamper-resistant Torx driver. They also have a rubber O-ring under the head that compresses to form a tight seal as you tighten them. Made of stainless steel, they won't rust or corrode when exposed to moisture and chemicals. The button head looks similar to a pan head, but it's lower and more compact, taking up less space.
These screws are reusable as long as the rubber O-ring is intact and undamaged. Length is measured from under the head.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel can.
Buna-N O-Ring—These seals won't swell or soften when they touch oil, grease, or fuel.
L-Keys—Turn screws by hand for more control and less chance of overtightening compared to power tools.
Power Tool Bits—Pair these bits with your power tools to turn screws more quickly than manual tools.
Screws | L-Keys | Power Tool Bits | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Head | ||||||||||||||||||
Lg. | Dia. | Ht. | Threading | Tensile Strength, psi | For Max. Hole Dia. | Max. Pressure, psi | O-Ring Temp. Range, ° F | Specs. Met | Certificate Type | Pkg. Qty. | Pkg. | Each | Each | |||||
18-8 Stainless Steel with Buna-N O-Ring | ||||||||||||||||||
6-32 | ||||||||||||||||||
| 1/4" | 0.262" | 0.073" | Fully Threaded | 70,000 | 0.151" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A195 | 000000 | 55525A25 | 00000 | 7233A63 | 00000 | ||
| 5/16" | 0.262" | 0.073" | Fully Threaded | 70,000 | 0.151" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A196 | 00000 | 55525A25 | 0000 | 7233A63 | 0000 | ||
| 1/2" | 0.262" | 0.073" | Fully Threaded | 70,000 | 0.151" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A198 | 00000 | 55525A25 | 0000 | 7233A63 | 0000 | ||
| 3/4" | 0.262" | 0.073" | Fully Threaded | 70,000 | 0.151" | 1,500 | -40 to 225 | ASME B18.3 | Material Certificate | 5 | 91997A201 | 00000 | 55525A25 | 0000 | 7233A63 | 0000 | ||
| 1" | 0.262" | 0.073" | Fully Threaded | 70,000 | 0.151" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A202 | 00000 | 55525A25 | 0000 | 7233A63 | 0000 | ||
8-32 | ||||||||||||||||||
| 5/16" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A204 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 3/8" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A205 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 1/2" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A206 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 5/8" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A207 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 3/4" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | Material Certificate | 5 | 91997A208 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 1" | 0.312" | 0.087" | Fully Threaded | 70,000 | 0.177" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A209 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
10-24 | ||||||||||||||||||
| 1/2" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A212 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 3/4" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A214 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 1" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A215 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
10-32 | ||||||||||||||||||
| 3/8" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A216 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 1/2" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A217 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 5/8" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | Material Certificate | 5 | 91997A218 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 3/4" | 0.361" | 0.101" | Fully Threaded | 70,000 | 0.2" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A219 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
1/4"-20 | ||||||||||||||||||
| 3/8" | 0.437" | 0.132" | Fully Threaded | 70,000 | 0.265" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A222 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 1/2" | 0.437" | 0.132" | Fully Threaded | 70,000 | 0.265" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A223 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 5/8" | 0.437" | 0.132" | Fully Threaded | 70,000 | 0.265" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A224 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 3/4" | 0.437" | 0.132" | Fully Threaded | 70,000 | 0.265" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A225 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 1" | 0.437" | 0.132" | Fully Threaded | 70,000 | 0.265" | 1,500 | -40 to 225 | ASME B18.3 | — | 5 | 91997A226 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
M3 × 0.5 mm | ||||||||||||||||||
| 6 mm | 5.69 mm | 1.65 mm | Fully Threaded | 100,000 | 3.454 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A157 | 00000 | 55525A23 | 0000 | 7233A61 | 0000 | ||
| 8 mm | 5.69 mm | 1.65 mm | Fully Threaded | 100,000 | 3.454 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A158 | 00000 | 55525A23 | 0000 | 7233A61 | 0000 | ||
| 10 mm | 5.69 mm | 1.65 mm | Fully Threaded | 100,000 | 3.454 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A159 | 00000 | 55525A23 | 0000 | 7233A61 | 0000 | ||
| 12 mm | 5.69 mm | 1.65 mm | Fully Threaded | 100,000 | 3.454 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | Material Certificate | 5 | 92178A161 | 00000 | 55525A23 | 0000 | 7233A61 | 0000 | ||
| 16 mm | 5.69 mm | 1.65 mm | Fully Threaded | 100,000 | 3.454 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A162 | 00000 | 55525A23 | 0000 | 7233A61 | 0000 | ||
M4 × 0.7 mm | ||||||||||||||||||
| 10 mm | 7.6 mm | 2.18 mm | Fully Threaded | 100,000 | 4.546 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A163 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 12 mm | 7.6 mm | 2.18 mm | Fully Threaded | 100,000 | 4.546 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A164 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 20 mm | 7.6 mm | 2.18 mm | Fully Threaded | 100,000 | 4.546 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A166 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
| 25 mm | 7.6 mm | 2.18 mm | Fully Threaded | 100,000 | 4.546 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A167 | 00000 | 55525A26 | 0000 | 7233A64 | 0000 | ||
M5 × 0.8 mm | ||||||||||||||||||
| 8 mm | 9.5 mm | 2.74 mm | Fully Threaded | 100,000 | 5.562 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A168 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 16 mm | 9.5 mm | 2.74 mm | Fully Threaded | 100,000 | 5.562 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | Material Certificate | 5 | 92178A172 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
 Sealing Stainless Steel Tamper-Resistant Button Head Torx Screws with Buna-N Rubber O-Ring, M5 x 0.8 mm Thread, 16 mm Long Pack of 5In stock  Select a compatible file type: Parasolid Compatible Products for This Rounded Head Screw | ||||||||||||||||||
| 20 mm | 9.5 mm | 2.74 mm | Fully Threaded | 100,000 | 5.562 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A173 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
| 25 mm | 9.5 mm | 2.74 mm | Fully Threaded | 100,000 | 5.562 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | Material Certificate | 5 | 92178A174 | 00000 | 55525A28 | 0000 | 7233A66 | 0000 | ||
M6 × 1 mm | ||||||||||||||||||
| 12 mm | 10.5 mm | 3.28 mm | Fully Threaded | 100,000 | 6.655 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A176 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 16 mm | 10.5 mm | 3.28 mm | Fully Threaded | 100,000 | 6.655 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A177 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 20 mm | 10.5 mm | 3.28 mm | Fully Threaded | 100,000 | 6.655 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | — | 5 | 92178A178 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
| 25 mm | 10.5 mm | 3.28 mm | Fully Threaded | 100,000 | 6.655 mm | 1,500 | -40 to 225 | ASTM F879M, ISO 7380 | Material Certificate | 5 | 92178A179 | 00000 | 55525A29 | 0000 | 7233A67 | 0000 | ||
Other Rounded Head Screws
