10-16 x 3/4 Indent Hex Washer Slot Self Tap Screw AB Serrated Full Thd 18-8 Stainless Steel M10-1.5 They have a 1/4" across

They have a 1/4" across the flats hex head and a 3/8" diameter shank

The indented hex washer head provides a secure grip for tightening and loosening

The nut has a grade 5 rating

The 6-32 x 5/16 x 7/64 Hex Machine Screw Nut Zinc Yellow is a small

10-16 x 3/4 Indent Hex Washer Slot Self Tap Screw AB Serrated Full Thd 18-8 Stainless Steel M10-1.5 They have a 1/4" acrossThese 10 16 x 3 4 inch self tapping screws are made of 18 8 stainless steel and feature a hex washer head with a slot drive. They have a serrated full thread design that provides excellent holding power in a variety of materials. These screws are ideal for use in applications where corrosion resistance is important, such as marine and outdoor applications.