A few common screw head types and what they are used for

Shoulder screws with slotted flat head DIN 923 slot head screws Round Slot Head Screws Machine screws have finer threads than wood screws They are designed to be used in conjunction with a nut or slot machine more chilli We offer two styles of slotted head screws, the antique restoration screw and the hammered slotted screw The antique restoration screw is a vintage screw

slot napoleon Woodscrew, COUNTERSUNK, SLOTTED HEAD, NATURAL FINISH MILD STEEL, 10 Gauge x 34 inch , 50 pcs Screws - Wood