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.
Industrial carbide tips
Designed for superior performance and maximum life.
Wood case for easy storage and protection.
Right Hand Rotation
Freud's Limited Lifetime Guarantee
Ideal For: Freud's Industrial Carbide Tipped Cylinder (Hinge) Boring Bits are designed for multiple spindle machines.