C/O SWISS MADE 59184 CAT 45 ER40 COLLET HOLDER, HRC 54-60, T.I.R. <0.0002", 20K RPM

THE C/O SWISS MADE 59184 IS A CAT 45 ER40 COLLET HOLDER DESIGNED FOR PRECISION WORKHOLDING IN CNC AND METALWORKING APPLICATIONS. THIS TOOL HOLDER FEATURES A CAT 45 TAPER AND IS COMPATIBLE WITH THE ER40 COLLET SYSTEM, WHICH TYPICALLY SUPPORTS A CLAMPING RANGE FROM 1/8 INCH TO 1 INCH (APPROXIMATELY 3 MM TO 26 MM). ENGINEERED FOR DURABILITY AND RIGIDITY, THESE HOLDERS ARE OFTEN CONSTRUCTED FROM CASE-HARDENED ALLOY STEEL WITH A HARDNESS RATING BETWEEN HRC 54 AND HRC 60. TECHNICAL SPECIFICATIONS FOR ER40 SYSTEMS GENERALLY INCLUDE HIGH-SPEED BALANCING, OFTEN UP TO 20,000 OR 25,000 RPM AT G2.5, AND A TOTAL INDICATED RUNOUT (T.I.R.) OF LESS THAN 0.0002 INCHES AT THE COLLET FACE TO ENSURE CONCENTRICITY DURING HIGH-SPEED MACHINING, DRILLING, AND MILLING OPERATIONS. MANY UNITS IN THIS CATEGORY ALSO SUPPORT COOLANT-THROUGH FUNCTIONALITY AND UTILIZE A 5/8-11 REAR THREAD FOR PULL STUDS. NO YEAR OF MANUFACTURE WAS SPECIFIED IN THE PROVIDED DATA.