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ClampnutWhittet-Higgins one-piece Clampnut threaded shaft collar for bearing & power transmission applications are slit from outside diameter to bore with the two sides of the slit are joined by a hardened alloy socket head screw, allowing users to pull together the two sides of the locknut, reducing the overall thread diameter and securely fastening the Clampnut to the shaft or spindle threadsBenefits:--Self-Locking--Easier and faster to install than traditional locknut & lockwasher--Allows infinite adjustment and preloading --Designed for low speed applications where dynamic balance is not required--Designed to prevent assemblies from loosening by forces of vibration, shock-loading, and torque--Black oxide coated with wax finish to inhibit corrosion--Tangent (X axis) to shaft adjustment and locking of retaining device--Eliminates expensive cutting of keyway--Meets and exceeds specifications of ANSI /AFBMA Standard 8.1-1986 and ISO-2982--Manufactured in USA--RoHS CompliantApplications:--Lower speed assemblies where dynamic balance is not required--Where balanced assembly not required--Linear ball screws and linear actuators--Mining, mineral extraction, and drilling operations--Slow speed rolls in processing equipment--Numerous other machinery and equipment applicationsSpecifications:--Max. Outside Diameter: 33.3--Max. Thickness: 9.8--Thread Size: M15 x 1.0--Max. Operating Temperature: 350°F--Materials: Nut - Carbon Steel / Fasteners - Hardened AlloyEngineering support and CAD drawing models available at manufacturer's website.