3/8-16 x 4 Machine Screws / Phillips / Flat Head / Steel / Zinc Plating (Quantity: 100 pcs)

Thread Diameter - Pitch: 3/8-16 Length: 4 The Flat Head Screw features a countersunk head with a flat top surface and a cone-shaped bearing surface with a head angle of approximately 82 degrees. Used in applications where protrusion of the fastener above the mating surface is unacceptable. Use a protrusion gage when measuring head height. Phillips drive is x-shaped for installation with a phillips screw driver.