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Steel Socket Head Screws
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Fully Threaded |
 |
Partially Threaded |
Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.
Length is measured from under the head.
Cadmium-Plated Alloy Steel—The plating reduces friction between the screw and your mounting surface to prevent sticking when you tighten or loosen them. It also creates a barrier against rust.
Military Specification—Manufactured and tested to meet strict U.S. military standards for material and construction.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Threading | Thread Spacing | Tensile Strength, psi | Mil. Spec. | Certificate Type | Each | |||
Cadmium-Plated Alloy Steel | |||||||||||
10-32 | |||||||||||
| 3/8" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-26, NAS1351-3-6P | Material Certificate | 92562A130 | 00000 | ||
| 1/2" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-27, NAS1351-3-8P | Material Certificate | 92562A416 | 0000 | ||
| 5/8" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-28, NAS1351-3-10P | Material Certificate | 92562A131 | 0000 | ||
| 3/4" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-29, NAS1351-3-12P | — | 92562A428 | 0000 | ||
| 7/8" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-30, NAS1351-3-14P | — | 92562A132 | 0000 | ||
| 1" | 5/16" | 0.19" | Fully Threaded | Fine | 160,000 | MS16998-31, NAS1351-3-16P | — | 92562A434 | 0000 | ||
| 1 1/4" | 5/16" | 0.19" | Partially Threaded | Fine | 160,000 | MS16998-32, NAS1351-3-20P | Material Certificate | 92562A133 | 0000 | ||
| 1 1/2" | 5/16" | 0.19" | Partially Threaded | Fine | 160,000 | MS16998-33, NAS1351-3-24P | — | 92562A134 | 0000 | ||
| 1 3/4" | 5/16" | 0.19" | Partially Threaded | Fine | 160,000 | MS16998-34, NAS1351-3-28P | — | 92562A135 | 0000 | ||
| 2" | 5/16" | 0.19" | Partially Threaded | Fine | 160,000 | MS16998-35, NAS1351-3-32P | — | 92562A136 | 0000 | ||
1/4"-28 | |||||||||||
| 1/2" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-41, NAS1351-4-8P | — | 92562A141 | 0000 | ||
| 5/8" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-42, NAS1351-4-10P | Material Certificate | 92562A142 | 0000 | ||
| 3/4" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-43, NAS1351-4-12P | — | 92562A588 | 0000 | ||
| 7/8" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-44, NAS1351-4-14P | — | 92562A143 | 0000 | ||
| 1" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-45, NAS1351-4-16P | — | 92562A596 | 0000 | ||
| 1 1/4" | 3/8" | 1/4" | Fully Threaded | Fine | 160,000 | MS16998-46, NAS1351-4-20P | Material Certificate | 92562A144 | 0000 | ||
| 1 1/2" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | MS16998-47, NAS1351-4-24P | Material Certificate | 92562A605 | 0000 | ||
| 1 3/4" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | MS16998-48, NAS1351-4-28P | — | 92562A612 | 0000 | ||
| 2" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | MS16998-49, NAS1351-4-32P | — | 92562A145 | 0000 | ||
| 2 1/4" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | MS16998-50, NAS1351-4-36P | — | 92562A146 | 0000 | ||
