316 series stainless steel differs from 18-8 by its molybdenum content (2-3%) and a higher nickel content (10-14%)

Plastic plug bonds through friction to concrete

#25 x 6 High Speed Aircraft Bit Cobalt

6-32 x 1/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

#1 x 6 High Speed Aircraft Bit Cobalt

5/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (50) Finished Hex Nuts 18-8 Stainless Steel 316 series stainless steel differs5 8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (50) . L9 High Tension SAE pattern flat washers are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods.