5/16-18 x 2 Unslot Ind Hex Wash Taptite Alternative Full Thread 410 Stainless Passivate Wax 3/8-24 N1610 This 1/4-10 x 1/2 6-Lobe

This 1/4-10 x 1/2 6-Lobe Pan Plastite Alternative 48-2 Fully Threaded 18-8 S/S Passivated and Wax is a high-quality fastener designed for use in a variety of applications

They are square in shape and have a threaded hole in the center

These 3/8" thick

The 3/8-16 x 3 Ribbed Neck Carriage Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for a variety of applications

This 10-24 x 6 Slotted Truss Machine Screw is fully threaded and made of zinc

5/16-18 x 2 Unslot Ind Hex Wash Taptite Alternative Full Thread 410 Stainless Passivate Wax 3/8-24 N1610 This 1/4-10 x 1/2 6-LobeThis 5 16 18 x 2 Unslotted Industrial Hex Washer Taptite Alternative Full Thread bolt is made of 410 stainless steel and has a passivate wax finish. It is designed for use in industrial applications and features a full thread for increased strength and holding power. The unslotted head provides a clean, finished look and prevents tampering. This bolt is corrosion resistant and can be used in a variety of environments. It is also RoHS compliant, making