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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 | ||||||||||||
1/2"-13 | ||||||||||||
| 3" | 3/4" | 5/16" | Partially Threaded | Coarse | SAE Grade 8 | 150,000 | MS90728-119 | 1 | 95362A435 | 00000 | ||
 Mil. Spec. High-Strength Steel Hex Head Screw, Zinc-Yellow-Chromate-Plated, 1/2"-13 Thread Size, 3" Long Pack of 1In stock  Select a compatible file type: Parasolid Compatible Products for This Hex Head Screw | ||||||||||||
