Screw jack

Lead screw of lathe

Carpentry vice

General purpose nut and bolt

1.25 mm

1.5 mm

2.25 mm

3.00 mm

4.75 mm

5.75 mm

6.75 mm

7.75 mm

To transmit power

To make adjustment

General fastening

For clamping

Acme thread

Square thread

Buttress thread

V-thread