6-18 x 3/8 Slot Ind HWH 1/4" Across The Flats F/T Self Piercing Scr Needle Point Zinc 1/4-20 NE It has a square shape

It has a square shape and is slotted for easy installation

The 3/8-16 x 1 1/2 Carriage Bolt is a fully threaded bolt made of 18-8 stainless steel

This screw is ideal for use in applications where strength and corrosion resistance are important

The 5/8 x 8 Hex Lag Screw Galvanized Gimlet Point is a heavy-duty fastener designed for use in wood construction

this coupling nut offers a reliable and long-lasting solution for your fastening needs

6-18 x 3/8 Slot Ind HWH 1/4" Across The Flats F/T Self Piercing Scr Needle Point Zinc 1/4-20 NE It has a square shapeThese self piercing hex washer head screws are designed for use in metal applications. They have a 1 4" across the flats hex head and a 3 8" diameter shank. The screws are 6 18 x 3 8" in size and have a needle point for easy penetration. They are made of zinc plated steel for corrosion resistance.