DETAILS, FICTION AND TYPES OF SCREW HEADS

Screws have a variety of push types, Every with its own advantages and disadvantages. The slotted screw will be the oldest sort, with drawings within the sixteenth century demonstrating screws with slotted heads. patterns, for instance a cross between recessed sq. and Phillips head which are appropriate with various drill bits. this sort of screw

Phillips’s tamper-resistant drives are somewhat more obscure due to the fact You must have the best tools to put in and remove them. Courser threads are Typically utilized for Wooden and timber, particularly soft woods, but they are often useful for steel with smaller sized thicknesses. You can utilize either an ordinary Robertson or Phillips S