TYPES OF SCREW HEADS CAN BE FUN FOR ANYONE

Types Of Screw Heads – A screw travel is basically a series of formed protrusions and chambers within the screw head that help torque being placed on it. Phillips head screwdrivers arrive in a number of sizes, with the most common sizes starting from #0000 to #four. the scale of a Phillips head screwdriver is indicated by quantities, plus the de