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High Quality Bits Leigh carbide-tipped router bits are among the best you can buy. Our carbide comes from Sandvik of Sweden, the world's leading carbide manufacturer. Each bit is honed with 600 grit diamond wheels for smooth, efficient routing. All shanks are 1 3/4" long to handle the thickness of the finger assembly. Leigh router bits are manufactured to ISO 9002 standards.
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Shank Size Every Leigh dovetail jig is shipped with 8mm shank router bits. They are considerably stronger and stiffer than 1/4" shanks, allowing smoother cuts and faster feed rates with a greater margin of safety. Routers with 8mm or 1/2" collets are required to use 8mm shank bits. A Leigh 1/2" to 8mm collet reducer, supplied with all Leigh dovetail jigs, allows 8mm shank bits to be used in 1/2" collet routers.
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Through Dovetail Bit Selection
Leigh Super Jigs and the D1600 use 8º dovetail bits for through dovetail tails and one straight bit for pins. The dovetail bit's working depth (column B, Through Dovetail Bit Selection Chart below) must be equal to or slightly greater
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| than the thickness of the pin board or drawer front. Always choose the smallest dovetail bit (column A) relative to the pin board thickness for that look of hand-cut elegance. Use the matching straight bit and template guidebush indicated in the chart.
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| Note: All routing with Super Jigs and the D1600 requires an e7 ebush or a 7/16" guide bush.
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