1-8 x 3-1/2 Inch Coarse Black Oxide Heat-Treated Alloy Steel Socket Cap Screw Best Seller The first 1-1/2 threads are

The first 1-1/2 threads are chamfered for use after initial threads have been started and tapping all the way to the bottom of the hole is required

Leaves surfaces clean and free of odors

General-purpose solvent for cleaning and preparing parts and surfaces

they are made of a translucent EVA material that is designed to eliminate splashing and can be used in wet or dry urinals

1-8 x 3-1/2 Inch Coarse Black Oxide Heat-Treated Alloy Steel Socket Cap Screw Best Seller The first 1-1/2 threads areSocket head cap screws are commonly used in machine assembly for removable panels and parts. They have a round cap with a hex head and are tightened with a socket wrench drive. Longer caps are easier to see when fastened while button and flat head caps are less likely to snag clothing or linkages. Cap screws with a black oxide or armor coat finish resist corrosion.