
These self-threading fasteners are pushed on a non-threaded projection or stud. These fasteners eliminate the cost of cutting threads and the problems of cross-threading. They permit simpler, more economical design and because of their prevailing torque they also provide excellent vibration resistance.
| ACI Part Number | Stud Diameter | Washer Diameter | Thickness | Material | Finish |
|---|---|---|---|---|---|
| PW188007-204 | 3/16 | 7/16 | 0.015 | Spring Steel | Bright Zinc |
| PW188008-204 | 3/16 | 1/2 | 0.015 | Spring Steel | Bright Zinc |
| PW250009-5 | 1/4 | 9/16 | 0.018 | Spring Steel | Nickle |
| PW250008-598 | 1/4 | 1/2 | 0.018 | Spring Steel | Mechanical Zinc |
| PW312010-5 | 5/16 | 5/8 | 0.02 | Spring Steel | Nickle |
| PW375012-5 | 5/16 | 3/4 | 0.025 | Spring Steel | Nickle |
| PW375011-5 | 3/8 | 11/16 | 0.02 | Spring Steel | Nickle |
| PW438014-5 | 7/16 | 7/8 | 0.03 | Spring Steel | Nickle |
| PW500015-5 | 1/2 | 15/16 | 0.03 | Spring Steel | Nickle |
| HP58118AH08 | 5/8 | 1 3/16 | 0.03 | Spring Steel | Zinc |
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