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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.
Mil. Spec. Steel Hex Head Screws
 |  |
Partially Threaded | SAE Grade 5 |
Manufactured and tested to meet strict U.S. military specifications for material and construction. These screws 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.
Medium-Strength Fastener—Your go-to screws for fastening most machinery and equipment. They have tensile strengths from 90,000 to 120,000 psi.
Cadmium-Plated Steel—The plating reduces friction between the screw and your mounting surface to prevent sticking when you tighten or loosen screws. It also creates a barrier against rust.
Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Threading | Thread Spacing | Fastener Strength Grade/Class | Tensile Strength, psi | Mil. Spec. | Pkg. Qty. | Pkg. | |||
Medium-Strength Cadmium-Plated Steel | ||||||||||||
5/16"-18 | ||||||||||||
| 2" | 1/2" | 13/64" | Partially Threaded | Coarse | SAE Grade 5 | 120,000 | MS90725-40 | 5 | 99894A217 | 00000 | ||
 Mil. Spec. Cadmium-Plated Steel Hex Head Screw, Medium-Strength, 5/16"-18 Thread Size, 2" Long $9.25 per pack of 5 / $1.85 per piece Pack of 5In stock  Select a compatible file type: Parasolid Compatible Products for This Hex Head Screw | ||||||||||||
