Watchmaking: Screw Making Techniques

The video tutorial explores the process of making watch screws, focusing on machining, threading, polishing, and heat treatment. It introduces the use of various tools and techniques, including single point threading as an alternative method. The video also covers the importance of polishing and the final step of blowing to achieve the desired screw properties.

What is the initial diameter of the screw discussed in the video?

• 1.5 millimeters

• 0.6 millimeters

• 1 millimeter

• 2 millimeters

What material is used to clean small parts like watch screws?

• Emery paper

• Rodiko

• Potassium nitrate

• Boric acid

Which tool is used to cut the thread on the screw?

• Slitting saw

• Die

• Parting tool

• Piercing saw

What is the purpose of using Emery paper in the screw-making process?

• To clean small parts

• To polish surfaces

• To heat treat the screw

• To cut the thread

What is the final step in the screw-making process to slightly soften the screw?

• Polishing

• Heat treatment

• Thread cutting

• Bluing

What is the alternative method to using a die for threading?

• Slitting saw

• Single point threading

• Piercing saw

• Burnishing tool

What color is the tool tempered to for single point threading?

• Blue

• Straw

• Red

• Green