3/8" x 3/8" Keyhole - 1/4 Shank - SE3050

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Classic Standard Keyhole bit used for cutting keyholes on the back of products meant to be mounted on a wall. Great for picture frames, awards, shadow boxes, etc... Recommended Fee ds & Speeds Hobby CNC with Router - 40 IPM Hobby CNC with Spindle - 60 IPM Industrial CNC - 60 IPM Cut Depth Per Pass - .25-.375" RPM's - 18,000 Plunge Rate = 50% of Feedrate (ex: Feedrate=100 IPM, Plunge Rate=50 IPM) These Feedrates are recommended starting points, each CNC is different and feedrates will vary. Bit Info MADE IN THE USA Large Cut Diameter: 3/8" Smaller Cut Diameter: 1/4" Cutting Height: 3/8" Shank Size: 1/4" Flutes: 2 Overall Length: 1 .75" Material: Carbide Tipped Part #: SE3050 Show more