Flat Undercut Head

1/4-20X1 Phillips Flat Thread Cutting Screw Type F Fully Threaded Zinc Bake. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.

5/16-18X2 Six Lobe Pan Floor Board Screw Type F Fully Threaded Black Phosphate. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

8-32X3/8 6 Lobe Pan Taptite Alternative Thread Rolling Screw Fully Thrd Zinc Bake & Wax. Thread Rolling Taptite thread for drilled, punched or cored holes in all ductile metals and punch extruded metals. Eliminates chips, requires low drive torque and is resistant to vibrational loosening. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

M2.5X5 Din 7500 C E Pan 6 Lobe Recess Thread Rolling Screw Zinc Bake And Wax. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

5/16-18X2 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded 18 8 Stainless Steel. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.