Have added two woodworking charts to my site: Drill Bit Speed Chart Wood Screw Pilot Hole Guide
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20 years ago
Free Woodworking Charts
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20 years ago
Thanks Frank!!!
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20 years ago
Ditto. I've printed it and put it into a plastic sleeve for shop use. But what's this "Robertson" thing? I thought it was "McFeely"?
JP
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Robertson was a Canadian who invented the square drive. Designed not to cam-out when overtightened (as opposed to the Phillips drive, which is designed *to cam out* when overtightened).
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Got calls into Webster right now. Tellin' 'em to put McFeely in their next edition or a pack of 'dorking lawyers will be on 'em faster than a goose on a june bug...