2 ms·
One design goal of Philips screw drive is to prevent stripping the screw head. The gradual taper allows the screw driver to cam out before excessive torque dama
by watersb 4y ago
One design goal of Philips screw drive is to prevent stripping the screw head. The gradual taper allows the screw driver to cam out before excessive torque damages the work.
On good days.
Then there's Uncle Jimmy.
- LinAGKar 4y agoBut then mor commonly it gets damaged by repeated cam out.