I vote for Robertson screw heads, for what it's worth. They're almost the Platonic ideal of what a screwhead should be. They're very hard to strip and it's very easy to get great torque with them.
Hex-head screws are a close second. Phillips and slotted heads are some of the worst.
Are these U.S. square heads or Canadian Robertsons? The Canadian version has a small taper to it which helps keep the bit in place and prevent camout. I don't know why proper Robertsons never managed to catch on in the US, though.
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Date: 2009-01-02 05:12 am (UTC)Hex-head screws are a close second. Phillips and slotted heads are some of the worst.
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Date: 2009-01-02 05:19 am (UTC)no subject
Date: 2009-01-02 02:43 pm (UTC)no subject
Date: 2009-01-02 05:03 pm (UTC)no subject
Date: 2009-01-02 05:21 pm (UTC)no subject
Date: 2009-01-02 06:37 pm (UTC)no subject
Date: 2009-01-02 06:55 pm (UTC)