Freud’s boring bits are designed for accurate boring, and the two wing cutters and two spur cutters prevent bottom side tear out. The 57mm long bits have a 10mm x 20mm shank with an adjustable top screw making them compatible with most boring machines. The 3557E (WC# 412683) is designed with a 3/8″ shaft to fit in most drill presses. Application: Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods on automatic and manual multi-spindle boring machines.See ‘Ships Direct from Manufacturer’ link for warranty and return details.
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