The SQ HEAD SET SCREW 5/16-18 X 3/4 from Double HH Manufacturing is a reliable fastening solution packaged in a convenient bag of three. Each screw features a 5/16-18 thread size and a length of 3/4 inches, making it ideal for various mechanical applications. Made from high-strength materials, these set screws provide excellent holding power and resistance to stripping. Their square head design allows for easy installation with a wrench, ensuring a secure fit. This product meets industry standards for quality and performance, making it a trusted choice for professionals.