30 mm diameter, 57.5mm overall length, left hand turn, and 10mm shank.
The 57.5mm long bits have a 10mm x 20mm shank with an adjustable top screw making them compatible with most boring machines.
Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods.
Use on automatic and manual muti-spindle boring machines
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Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.2 inch
Height : 1.1 inch
Length : 2.5 inch

Item Weight: 0.8 ounce (View shipping rates and policies)
Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B000UCY8FQ