Finished Hex Nuts in 316 stainless steel are for use with stainless steel bolts or screws with a specified minimum tensile strength equal or less than the specified proof stress of the mating nut

7/8-9 x 3 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (15)

quenched and tempered

1-14 x 2 Socket Set Screw Cup Point Alloy

1/2-13 x 3 Square Head Set Screw Cup Point 18-8 (A2) Stainless Steel 5/16-18 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Finished Hex Nuts in 3161 2 13 x 3 Square Head Set Screw Cup Point 18 8 (A2) Stainless Steel. A square head screw threaded the entire length. It has a four sided square head at one end and a cup shaped indentation at the other end. The cup point is the most used style set screw. Designed for fast, permanent and semi permanent location of parts on shafts with hardness differential of 10 15 Rockwell C points and where cutting in of cup edge on the shaft is acceptable.