Diameter-Thread Size: 1/4"-20
Length: 3 1/2"
System of Measurement: Imperial (Inch)
Thread Size: 20
Wrench Size: 7/16"
Hex Head Cap Screws are designed for easy assembly into a tapped hole. Hex Cap Screws meet SAE specifications with a specially designed washer face under the head and a chamfered point. Grade 5 is the most common grade used in manufacturing assembly. Zinc plating, retards the corrosion rate in a normal atmosphere. Tensile Strength: 120,000 psi minimum.