1/4-20 x 2 1/2 Phillips Flat Machine Screw Fully Threaded Black Oxide 7/8-14 NE meaning they are made of

meaning they are made of high-strength steel and are designed to withstand high torque and vibration

9 grade indicates a tensile strength of 1090 MPa

080 Flat Head Ribbed Threaded Insert Rivet Nut Aluminum Cleaned and Polished

The M10 x 40 DIN 931 10

1/4 Internal Tooth Lock Washer Black Zinc and Bake

1/4-20 x 2 1/2 Phillips Flat Machine Screw Fully Threaded Black Oxide 7/8-14 NE meaning they are made ofThis 1 4 20 x 2 1 2 Phillips flat machine screw is fully threaded and coated in black oxide for corrosion resistance. It has a Phillips drive and a flat head, making it easy to install and remove. This screw is commonly used in a variety of applications, including woodworking, metalworking, and automotive repair.