4-24 x 1/4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Black Zinc 3/8-16-.312 This 1/2-13 x 1 5/8

This 1/2-13 x 1 5/8 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for secure and reliable connections in various applications

This 1/4-20 x 2 1/2 Slotted Oval Machine Screw is made of 18-8 stainless steel

The internal teeth bite into the surface of the mating part

200 Small Head Rivet Nut Steel Zinc Yellow Dichromate Non-Ribbed is a high-quality fastener designed to provide a strong and secure connection in a variety of applications

They are also full thread

4-24 x 1/4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Black Zinc 3/8-16-.312 This 1/2-13 x 1 5/8The 4 24 x 1 4 Phillips Flat Undercut Self Tapping Screw Type AB Fully Threaded Black Zinc is a versatile and durable screw designed for a wide range of applications. Its 4 24 thread size and 1 4 inch length make it suitable for use in thin materials, while its Phillips drive provides a secure and easy installation. The flat undercut head sits flush with the surface of the material, creating a clean and professional finish. The self tapping design