THE CRITERION S-3 BORING HEAD IS ENGINEERED FOR PRECISION BORING TASKS. THIS TOOL FEATURES AN OVERALL LENGTH (OAL) OF 8.00 INCHES, A BORE DIAMETER OF 1.00 INCH, AND A HEAD WIDTH MEASURING 3.00 INCHES. IT IS EQUIPPED WITH A CAT 45 TAPER SIZE, UTILIZING A NIKKEN TT45-MT4 HOLDER FOR MOUNTING.