McMaster 97135A250 High-Strength Steel Nylon-Insert Locknut, Pack of 10, Grade 8, Zinc Yellow-Chromate Plated, 1/2"-13 Thread R600B Yield Strength 17

Yield Strength 17

Wire Color Orange

200 Degrees F Series A-LOK(R) Fitting Shape Cap Connection Type Compression Fitting Body Material 316 Stainless Steel End Connection Type Compression For Tube OD 1/4 in

Number of Padlocks 6 Lockout Color Red Standards UL Listed OSHA Compliant Yes Lockout Hasp Style Standard Pry-Resistant Yes Coating Material Powder Coated Legend No Legend Green Environmental Attribute Product Contains 100% Total Recycled Content Nonsparking No Product Type Pry-Resistant Hasp Header None/No Header Resistance Properties Pry Resistant Hasp Closure Type Standard Lockout Material Steel Maximum Number of Padlocks 6 Lockout Material Finish Powder Coated

McMaster 97135A250 High-Strength Steel Nylon-Insert Locknut, Pack of 10, Grade 8, Zinc Yellow-Chromate Plated, 1/2"-13 Thread R600B Yield Strength 17Versatile 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