The Hillman Group 90425 1/4-20-Inch x 4-Inch Round Head Combo Machine Screw, 100-Pack

Fasten With A Screwdriver To Reduce The Risk Of Over-Tightening To Protect The Screw And Fastened Material If Nuts Are Needed, Use With Nuts Of The Same Finish And Threading For Proper Fit Zinc Plated From The Brand Name: The Hillman Group