Tools
Why Hex Keys Need to Fit Fully Into the Socket
Hex-drive fasteners rely on contact across the flats of the recess. A partially inserted or undersized key concentrates force near the top edges, which can result in a stripped fastener.
Tools
Hex-drive fasteners rely on contact across the flats of the recess. A partially inserted or undersized key concentrates force near the top edges, which can result in a stripped fastener.