Sherline Lathe Center Drill Set. #1, #2, #3 SKU 3021

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Center drills are used with the lathe to drill a hole in the end of stock for mounting between centers in the lathe. They are designed to drill a small diameter pilot hole followed by a 60° countersink that provides a bearing surface for the 60° point of the lathe center. Center drills are also used extensively with the milling machine to start holes accurately. The hole locations can be dialed in by using the milling machine’s calibrated handwheels; then the hole is started using the center drill. The set includes three double-ended, high-speed steel drills: #1 drill has a 1/8″ shank #2 drill has a 3/16″ shank #3 drill has a 1/4″ shank Show more