These boring bits are designed for accurate boring and the two wing cutters and two spur cutters prevent bottom side tear out. Boring bits are supplied with a 10mm shank with an adjustable top screw making them compatible with most boring machines. The 3557E is designed with a 3/8" shaft to fit in most drill presses.
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Designed for superior performance and maximum life
Wood case for easy storage and protection
Right Hand Rotation
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Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods. Use on automatic and manual multi-spindle boring machines
Ideal For: Freud'S Industrial Carbide Tipped Cylinder (Hinge) Boring Bits are designed for multiple spindle machines
