McMaster 97135A280 High-Strength Steel Nylon-Insert Locknut, Pack of 5, Grade 8, Zinc Yellow-Chromate Plated, 3/4"-10 Thread 437K20 100 Material Alloy Steel Number

100 Material Alloy Steel Number of Tools 10 Handle Type One Piece Non-Magnetic No Opening Type Rounded Nonsparking No Box End Type 12-Point Box End Opening Angle (Deg

Adjustable Item Disposable Respirator Exhalation Valve Yes Respirator Filter Class N95 Product Availability Temporarily Unavailable Mask Headstrap Type Dual

SAE or Metric SAE Number of Points 6 Material Alloy Steel Finish black oxide Output Type 6 pt Impact Rated Yes Features Ideal for Use on Stubborn or Damaged Fasteners

The Model 10K GC offers unobstructed flow through the valve

McMaster 97135A280 High-Strength Steel Nylon-Insert Locknut, Pack of 5, Grade 8, Zinc Yellow-Chromate Plated, 3/4"-10 Thread 437K20 100 Material Alloy Steel NumberVersatile yet economical, these are the most commonly used locknuts. The nylon insert grips the screw to prevent loosening from moderate vibration without damaging threads. High Strength Steel Rated Grade 8, Grade C, or Class 10, these locknuts are about 25% stronger than medium strength steel nuts. Zinc Yellow Chromate Plated Steel More durable finish than clear zinc plating, suitable for most wet and outdoor environments. Thread Direction Right Hand