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Drill Bit Diameter: Ø3.3mm
Tap Dimensions: M4 x 0.7mm
This set is typically used in metalworking applications, such as creating holes for screws or bolts in metal platesor sheets. The drill bit is used to create a pilot hole of the appropriate size, and then the tap is used to cut thethreads into the hole.
The tap in this set is an HSS tap, which means it is made of high-speed steel. HSS is a type of steel that is veryhard and tough, making it ideal for tapping. The tap has a diameter of 4mm and a pitch of 0.7mm. The pitch is thedistance between the threads.
The drill bit in this set is a 3.3mm drill bit. This means that it has a diameter of 3.3mm. The drill bit is used tocreate a pilot hole that is slightly smaller than the diameter of the tap. This pilot hole helps to guide the tapand prevent it from binding.
Application: