McMaster 97135A230 High-Strength Steel Nylon-Insert Locknut, Pack of 20, Grade 8, Zinc Yellow-Chromate Plated, 3/8"-16 Thread 55CX07 Ruler Multi Tools Included Awl

Ruler Multi Tools Included Awl

I-Beam Level

Concrete Brooms Application Used To Float Larger Slabs Of Concrete Handle Not Included Package Quantity 1

Shock-Absorbing For Surface Type Asphalt

Vandal Resistant Hand Factory Left

McMaster 97135A230 High-Strength Steel Nylon-Insert Locknut, Pack of 20, Grade 8, Zinc Yellow-Chromate Plated, 3/8"-16 Thread 55CX07 Ruler Multi Tools Included AwlVersatile 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