6 Common Types of Screw Heads

slot robertson screw   Dan slot vip

The Jonard Tools 6-in-1 Multi-Bit Robertson Screwdriver eliminates the need for multiple tools in your belt This tool can be configured to 6 types of

Captive Screw, 6-32 Thread, Press-in, PhillipsSlot Combination, Knurled Bright Knob  Competitive price screw cap, 2 Inch Screwdriver Insert Bits single head #2 Square Robertson 8pcs

press your luck slot machine locations Jonard's Robertson Screwdrivers are made with an S2 steel shank with a chrome finish for exceptional strength and long life Our Robertson Screwdrivers ROBERTSON SCREW APPLICATION FILED OCT 24, 1907 Patentd Nov 8; 1910 ' UNITED STATES PATENT OFFICE