What are the processing steps for hex nuts?

The processing steps of hexagonal nuts involve multiple processes, and the following is a detailed processing flow:

1. Cutting and preliminary processing

Cutting blanks: According to the required size, use a bow saw or steel saw to cut the material into blanks of appropriate length, usually leaving a certain amount of processing allowance. ‌

Processing reference surface: file one end surface of the blank flat as the reference surface for subsequent processing. ‌

2. Marking and positioning

Marking and Sample Punching: Use a vernier height ruler and sample punch to mark the hexagonal contour line and center hole position on the blank, and make a sample punch to mark the machining reference. ‌

3. Hexagonal head processing

Filing hexagonal surfaces: Use a flat file and a universal angle ruler to gradually file out the six hexagonal surfaces according to the lines, ensuring that the angle between each surface is 120 °, and paying attention to flatness and parallelism. ‌

Chamfering treatment: Chamfering the edges of the hexagonal head and the upper and lower end faces to remove burrs and improve appearance quality. ‌

4. Drilling and tapping

Drilling: according to the nut specification, select a suitable Fried Dough Twists drill bit to drill at the center and chamfer the hole end.

Tapping: Use a tap and a hinge to tap the internal thread into the hole, paying attention to the operating procedures to ensure thread quality.

5. Repair and Inspection

Trimming: Use a fine toothed file to trim the machined surface, remove any remaining machining allowance, and ensure that the size and shape meet the standards.

Comprehensive inspection: Conduct a comprehensive check on the size, shape, and thread quality of the processed hex nut to ensure compliance with design requirements.

The above steps cover the main processes of hexagonal nut processing, and specific operations need to be adjusted according to actual needs and equipment conditions.