Unique Bargains Spiral Flute Thread Taps 4-40 UNC 2B Screw Threading Tap Titanium Coated 6542 High Speed Steel Machine Tapping Tools for Machinist Repair

6542 (M2) High Speed Steel: Run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness; Titanium coating provides excellent corrosion resistance, and reduces the coefficient of friction for smoother tapping.

Applications: Thread taps are great for processing blind holes and sticky materials; Used for drilling and tapping stainless steel, aluminum, alloy steel, ordinary steel, cast iron, non-ferrous metals, hard plastics, etc; Flutes on the screw tap help to remove chips and debris from the hole.

Machine Tap: Suitable for drill presses, tapping machines, CNC and milling machines; Used with tapping oil to get higher quality threads and more durable taps; Machine taps are suggested to be used with tap chucks with overload protection; Not recommended for hand use and electric drill tapping.

Tips: Tapping angle should be 90 degrees vertical and stable; The tapping depth should not exceed 1.5 times the diameter of the tap; Control the speed according to the material hardness; The higher the hardness, the slower the speed.