5/16-12 x 5 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake 1/2-20 They have a small pattern

They have a small pattern hex head for easy tightening and removal

These 5/16" high alloy regular split lock washers are made of AISI 4037 steel and have a zinc yellow finish

This 1/4-20 x 1" 6-lobe flat machine screw is fully threaded and has a black oxide finish

These 6 x 2 Phillips recess bugle head coarse thread drywall screws are made of zinc-plated steel and have a yellow finish

45 x 3 DIN 7985 A Metric Phillips Pan Machine Screw Full Thread 18-8 SS is a small

5/16-12 x 5 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake 1/2-20 They have a small patternThe 5 16 12 x 5 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake is a high quality screw designed for use in a variety of applications. It features a self drilling tip that eliminates the need for pre drilling, saving time and effort. The indented hexwasher head provides a secure grip for driving, and the full thread design ensures a strong hold. The zinc and bake coating provides corrosion resistance, making it suitable for both