BBI Cap Screw, UNC, 3/8-16, 1-1/2 in Overall Length, Flat Socket Head, 0.781 in Head, Hex Drive, 0.219 in Drive, 135000 psi Tensile, HRC 36 - 43 Hardness, Alloy Steel, Thermal Black Oxide/Plain
- Flat socket cap screws are similar in design to button socket cap screws but with an 82 deg countersunk head
- They are commonly used when a flush mounting, high strength screw is required
- Tools and dies use a lot of flat socket cap screws where moving parts pass over the fastened area