- Part Number: 3128MSL
- Product Category: Machine Screws
- Size: 5/16-18
- Length: 1 3/4"
- Head Style: Fillister Head
- Drive Style: Slotted
- Head Diameter: 0.490 - 0.518
- Head Height: 0.262 - 0.295
- Full / Partial Thread: Full
- Material: Steel
- Finish: Zinc
- RoHS: On Request