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Steel Socket Head Screws
 |
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.
Black-Oxide Alloy Steel—Best for dry environments since moisture will cause these screws to rust. They have a dark, matte appearance.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Threading | Thread Spacing | Tensile Strength, psi | Pkg. Qty. | Pkg. | |||
Black-Oxide Alloy Steel | ||||||||||
1 1/2"-12 | ||||||||||
| 3" | 2 1/4" | 1 1/2" | Fully Threaded | Fine | 170,000 | 1 | 91251A607 | 000000 | ||
| 3 1/2" | 2 1/4" | 1 1/2" | Fully Threaded | Fine | 170,000 | 1 | 91251A035 | 00000 | ||
| 4" | 2 1/4" | 1 1/2" | Fully Threaded | Fine | 170,000 | 1 | 91251A608 | 00000 | ||
| 4 1/2" | 2 1/4" | 1 1/2" | Fully Threaded | Fine | 170,000 | 1 | 91251A641 | 00000 | ||
| 5" | 2 1/4" | 1 1/2" | Partially Threaded | Fine | 170,000 | 1 | 91251A609 | 00000 | ||
| 5 1/2" | 2 1/4" | 1 1/2" | Partially Threaded | Fine | 170,000 | 1 | 91251A643 | 00000 | ||
| 6" | 2 1/4" | 1 1/2" | Partially Threaded | Fine | 170,000 | 1 | 91251A610 | 00000 | ||
| 7" | 2 1/4" | 1 1/2" | Partially Threaded | Fine | 170,000 | 1 | 91251A611 | 00000 | ||
| 8" | 2 1/4" | 1 1/2" | Partially Threaded | Fine | 170,000 | 1 | 91251A612 | 00000 | ||
