4-40 x 1 Phillips Flat Machine Screw Fully Threaded 18-8 Stainless Steel Black Oxide 1-1/4-7 #4 Regular (medium) Split Lock

#4 Regular (medium) Split Lock Washer Zinc and Bake is a type of washer used to prevent nuts and bolts from loosening due to vibration or movement

this screw features a black zinc coating for enhanced corrosion resistance

They are made of stainless steel and have a dacrotized finish

#8 SAE Through Hardened Washer Zinc Yellow is a flat

- Thread: 18 threads per inch

4-40 x 1 Phillips Flat Machine Screw Fully Threaded 18-8 Stainless Steel Black Oxide 1-1/4-7 #4 Regular (medium) Split LockThis 4 40 x 1 Phillips flat machine screw is fully threaded and made of 18 8 stainless steel with a black oxide finish. It has a flat head and a Phillips drive. This screw is commonly used in a variety of applications, including electronics, appliances, and furniture. It is corrosion resistant and has a high strength to weight ratio.