PRECISION PLUS GROUND AND WHIRLED BALL SCREW ASSEMBLIES ARE THE HIGHEST PRECISION PRODUCT AVAILABLE, WITH STANDARD LEAD ACCURACIES OF ?6?M/300MM.? THESE BALL SCREW ASSEMBLIES FEATURE A FL-STYLE BALL NUT, PRECISELY PRELOADED TO CUSTOMER SPECIFICATIONS.? THIS UNIQUE NUT DESIGN PROVIDES HIGH REPEATABILITY AND HIGH STIFFNESS FOR THE MOST DEMANDING BALL SCREW APPLICATIONS.? EACH NUT COMES STANDARD WITH AN INTEGRAL DELRIN WIPER TO PROTECT AGAINST CHIPS AND OTHER DEBRIS.