Tool Talk
What's-It Forum => What's-It Forum => Topic started by: coolford on March 31, 2018, 08:06:41 AM
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These auger bits average 30 inches long with the cutter on the bottom which is flat except for the cutter. There are 8 sizes, all Sorby except one which has a round shaft while the others are square. The handle fits the tang and is made of oak with a heavy brass section around the middle.
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I have heard them refered to as doweling bits. I have a few kicking around some where but I don't recall ever trying one
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Also called spoon bits from the shape.
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Is there a cutting lip on the bottom? I cannot tell from the photo. They look like nose bits or nose augers to me, which have a cutting lip on the bottom. They are used to cut very straight holes across grain. They are typically used by shipwrights, carbuilders (rr), chairmakers, barn buildings, wherever you need a really straight hole across the grain. Based on the single handle and the very long shanks, I would set that is a shipwright's auger set. They are also called pod augers. Anything like that is a variety of a shell auger, as are spoon bits.
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Yes, the cutting lip is on the bottom and the sides are not sharp.
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The side that trails the nose should be sharp. They are usually beveled on the inside of the shell. I misspoke about the pod augers. Those usually are auger sized and look like short, fat spoon bits.