1/2 x 2 3/4 Socket Shoulder Screw Plain 12NCUP5 They have a square drive

They have a square drive head for secure driving and a flat head that sits flush with the surface of the wood

The 5/8-11 x 9 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc is a high-strength fastener designed for heavy-duty applications

this washer ensures secure and long-lasting connections

The 8-18 x 1 Unslot HWH w/Bond NEO EPDM 18-8 Washer Self Drill Scr Full Thrd 410 Stainless is a versatile and durable fastener designed for a wide range of applications

These versatile Six-Lobe (Torx) Bugle Head Coarse Thread Sharp Point Deck Screws are designed for superior holding power in outdoor decking applications

1/2 x 2 3/4 Socket Shoulder Screw Plain 12NCUP5 They have a square driveThe 1 2 x 2 3 4 Socket Shoulder Screw Plain is a type of screw that is used to fasten two pieces of material together. It has a hexagonal head with a socket in the center, which allows it to be tightened with a wrench or socket driver. The screw has a shoulder that sits against the surface of one of the pieces of material, and the threads cut into the other end of the screw engage with the threads in the other piece of material. This type of screw is