Countersink Bits

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Countersinks take standard holes and prepare them for flat head screws to be flush to the material. Description Specifications Documentation These handy tools may also be called ce nter reamers. We've got several sizes to accommodate imperial and metric-sized screws. Use the 82-degree countersink bits on holes for imperial screws and use 90-degree countersinks on holes for metric screws. Angle: 82°, 90° Flutes: 3 Material: High Speed Steel Shank: 1/2 in., 3/8 in. Show more