4-40 x 3/16 Machine Screws / Slotted / Flat Head / Steel / Zinc Plating (Quantity: 40000 pcs)

Thread Diameter - Pitch: #4-40 Length: 3/16 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.