Canadian guys----robertson screws

slot robertson screw   Dan slot api

What is a Robertson screwdriver, what is the Robertson head screw history and what are the various Robertson screwdriver types?

By Susanna McLeod Special to Ontario Construction News Have you been startled by your screwdriver slipping out of the slot and damaging History of Square & Phillips screw drivers Back in the day of slots he contended that the hammer was the best screwdriver on

wow99 slot Incorporates the Robertson® drive and Phillips® drive serviceability Slot Combination Drive Incorporates the Robertson® drive and slot drive serviceability  The T-FBIT2 is a square head screwdriver bit, and is essential when using genuine Robertson screws The square head is made of steel, which makes it