Diameter: 1/4"
Length: 2-1/2"
Material: Steel
Finish: Plain
Head Style: Hex (1/4" Wrench)
Thread Size: 20 (Left Hand|Coarse)
Thread Length: 0.75" to 1"
Hardness: Grade 5
Style: Left Hand
Type: Cap Screw
Box of 2.
A hex cap screw has a hexagonal head, designed to be driven by a wrench.