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Clamping the guide to the work piece is essential to keeping the drilled hole in the correct position. THE GUIDE HOLE MUST BE TIGHT WITH THE SURFACE OF THE WORK PIECE,unlike what the picture shows a gap allows for movement of the drill bit in the guide hole. Also when drilling into wood brad point drill bits work better and will not drift across the drilled ...


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This could be a manufacturing issue (not necessarily the one you're thinking of, more on that below) or it could be entirely within specs. With metal bushings the fit must be loose enough you don't get binding on the bit (metal rubbing against metal at high speed, with little or no lubrication, is a bad day waiting to happen) but how much play is going to ...


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A scientific calculator or program that gives the Tangent of an angle. Remember, tangent equals opposite length divided by adjacent length. Once you have that ratio you plug in one of the lengths and you have the other length.


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…nothing to tell you what dimensions will produce an angle that you supply. Angles don’t determine the lengths of the sides. You could supply all three angles and that would constrain the sides to a certain ratio, but you’d still need to supply the length of one of the sides to determine the lengths of the other two.


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Here is a site for solving triangles. The user interface doesn't show a right triangle by default (assuming that's what you're after), though the solved triangle does appear to be drawn to scale. Here is what you'll see to start: Suppose you want a right triangle where, say, you know the bottom side is 96 inches and the angle of elevation is 24 degrees, ...


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I created a calculator that searches triangles in 1/8" increments to get as close to the target angle as possible. As I see it, the advantage of this approach over others is that you can get extremely close to the desired angle while your measurements remain "tape-measure-friendly". angle = asin(height / hypotenuse) There is a working demo ...


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