McMaster 97135A250 High-Strength Steel Nylon-Insert Locknut, Pack of 10, Grade 8, Zinc Yellow-Chromate Plated, 1/2"-13 Thread 60RK39 Barrel Style Serrated Barrel

Barrel Style Serrated Barrel

063 in Thickness 3/4 in Firmness @ 25% Deflection (PSI) 40 to 50 Standards MVSS 302 Tensile Strength (PSI) 70 to 100 Temp

Strap Special Features Measure AC/DC Voltage and Current Peak Hold No Capacitance Range 1 nF to 1000 nF Bar Graph No Data Hold No Diode Test Yes Basic DC Accuracy +/-0

Included Media Not Applicable

McMaster 97135A250 High-Strength Steel Nylon-Insert Locknut, Pack of 10, Grade 8, Zinc Yellow-Chromate Plated, 1/2"-13 Thread 60RK39 Barrel Style Serrated BarrelVersatile yet economical, these are the most commonly used locknuts. The nylon insert grips the screw to prevent loosening from moderate vibration without damaging threads. However, the insert may become brittle if exposed to high temperatures. These locknuts are reusable a handful of times, but the holding power decreases with each use. High Strength Steel Rated Grade 8, Grade C, or Class 10, these locknuts are about 25% stronger than medium strength