The Drill Doctor® DD500X is a professional-level drill bit sharpener that is ideal for sharpening a full range of bits, including split points and the 135° bits used in drilling hardened metals. Sharpens split-point bits and creates split-points from standard bits. U.S.A. Bit Sizes (SAE): 3/32 to 1/2, Angle Sharpening (deg.): 118, 135, Carbide-Tip Bits: Yes, High Speed Steel Bits: Yes, Masonry Bits: Yes, Split Point Bits: Yes, Titanium-coated Bits: Yes, Case Included: No Easy front-loading chuck Features Quick Change diamond sharpening wheel Simplified alignment and sharpening procedures E-Z Align System™ assures correct sharpening alignment Variable Alignment lets you adjust chisel and relief angles
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