1/4-20 x 5/8 Coarse Thread Socket Set Screw Half Dog Point Plain ISO14583 and the hex flange helps

and the hex flange helps to distribute the load evenly

The 12-14 x 1 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc is a versatile and durable fastener designed for a wide range of applications

12-14 x 1 1/4 Unslotted Hex Washer With Number 4 Point Full Thread Self Drilling 410 Stainless are designed to fasten metal to metal

It is also RoHS compliant

8-18 x 3/4 #6HD Phillips Pan High Low Screw Fully Threaded Black Zinc and Bake

1/4-20 x 5/8 Coarse Thread Socket Set Screw Half Dog Point Plain ISO14583 and the hex flange helpsThis 1 4 20 x 5 8" Coarse Thread Socket Set Screw Half Dog Point Plain is a high quality fastener designed for secure and reliable hold in various applications. It features a 1 4 20 coarse thread for a strong grip and a half dog point for easy insertion and alignment. The plain finish provides a classic look and corrosion resistance. The set screw is ideal for applications where frequent adjustments or disassembly is required, such as in machinery,