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About Hex Head Screws and Bolts
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Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.
Steel Hex Head Screws
 |
Partially Threaded |
Our most popular hex head screws. These have a head with six flat sides to keep wrenches and sockets from slipping and rounding off the drive.
Length is measured from under the head.
High-Strength Fastener—Commonly used to fasten components in valves, pumps, motors, and other high-stress applications. These screws have a tensile strength of 125,000 to 160,000 psi.
Zinc-Yellow-Chromate-Plated Steel—With slightly better corrosion resistance than zinc-plated steel screws, these stand up to more frequent exposure to moisture.
Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Threading | Thread Spacing | Fastener Strength Grade/Class | Tensile Strength, psi | Mil. Spec. | Pkg. Qty. | Pkg. | |||
High-Strength Zinc-Yellow-Chromate-Plated Steel | ||||||||||||
5/8"-11 | ||||||||||||
| 2 1/2" | 15/16" | 25/64" | Partially Threaded | Coarse | SAE Grade 8 | 150,000 | MS90728-166 | 1 | 95362A517 | 000000 | ||
Pack of 1In stock  Select a compatible file type: Parasolid | ||||||||||||
