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Timberline 630-100 Flat Bottom Carbide Tipped Counterbore 3/8 D x 1/8 Drill D x 5/16 SHK for Wood Screw Size #4 - 6
Flat Bottom Counterbores with Slow Spiral, High-Speed Steel (HSS) M2 Fully Ground Drill Bits. For use in handheld drill, drill press & CNC machine when used with CNC Spring Collet*. CNC Countersink Drilling countersinks with these bits on the CNC machine is a great way to save time and have your...
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