10-32 x 3/8 6-Lobe Flat Taptite Alternative Thread Rolling Screw Fully Thrd Zinc & Wax A563D The unthreaded portion of the

The unthreaded portion of the screw is 1 1/2 inches long

which means that it has a large pitch and a wide thread angle

The 5-40 x 1/4 Phillips Pan Machine Screw Fully Threaded Zinc is a small

These M3-0

10-32 x 3/8 6-Lobe Flat Taptite Alternative Thread Rolling Screw Fully Thrd Zinc & Wax A563D The unthreaded portion of the10 32 x 3 8 6 Lobe Flat Taptite Alternative Thread Rolling Screw Fully Threaded Zinc & Wax: 10 32 UNC thread size 3 8" length 6 lobe flat drive style Taptite alternative thread rolling screw Fully threaded Zinc and wax coating for corrosion resistance and lubrication Designed for use in metal applications, creating strong threads without the need for tapping Ideal for applications where space is limited or where high strength is required