- Part Number: 3148FW
- Product Category: Thread Cutting Screws
- Type / Style: Type F
- Size: 5/16-18
- Length: 3"
- Head Style: Hex Washer Head
- Drive Style: Unslotted
- Head Diameter: 1/2
- Head Height: 0.208 - 0.230
- Width Across Flats: 1/2"
- Washer Diameter: 0.624 - 0.676
- Full / Partial Thread: Full
- Driver Size: 1/2
- Material: Steel
- Finish: Zinc
- RoHS: On Request