CoCud Metric Combination Drill & Tap Bit Set, M3 M4 M5 M6 M8 M10 Thread 1/4" Hex Shank, Blue Coated Drill Tap Bits Screw Tapping Tools - (Applications: for Thread Repair), 6-Pieces

• ★ Combination Drill & Tap Bit Size --- Thread size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5 (right hand); Hex Shank Size: 1/4"; Total Length: 66mm / 2.6", 67mm / 2.64", 67.5mm / 2.66", 68mm / 2.68", 69mm / 2.72", 70.5mm / 2.78"
• ★ Wide Applications --- Metric drill tap bits can repair damaged threads or create new threads, such as threads in nuts, threaded inserts, pipes, valve. Suitable for stainless steel, alloy steel, cast iron, and non-ferrous metals like aluminum and brass, and plastic.
• ★ Ease of Use --- Combination drill and tap bits perform both drilling and tapping operations. It does not require separate drilling and tapping tools. The sharp cutting edges and precise thread form can ensure clean, accurate holes with properly formed threads.
• ★ M35 High Speed Steel & Blue Coat --- Provides increased hardness, excellent heat resistance, good toughness, wear resistance. The blue coating increases hardness, reduces friction and heat, improves lubricity, and protects against rust and corrosion.
• ★ Useful Tips --- The quick-change 1/4-inch hex shank makes it easier and safer to use on power tools. Apply a suitable lubricant helps to prolong the tool life, reduce friction, and improve thread quality. Always use the correct speed and pressure.

Attributes: * Thread Size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5 (Right Hand) * Hex Shank Size: 1/4" * Drilling + Tapping Length: 19mm / 0.75", 21mm / 0.83", 24mm / 0.94", 26mm / 1.02", 32mm / 1.26", 34mm / 1.34" * Material: M35 Cobalt High Speed Steel (HSS-CO) * Finish: Blue Coated (Nano-Scale Level) What Is Included: * 6 Pieces x Combination Drill & Tap Bits Applications & Features: --- Metric drill tap bits can repair damaged threads or create new threads, such as threads in nuts, threaded inserts, pipes, valve. Suitable for stainless steel, alloy steel, cast iron, and non-ferrous metals like aluminum and brass, and plastic. Machine taps are used in tapping machines, vertical drilling and milling machines. --- Combination drill and tap bits perform both drilling and tapping operations. It does not require separate drilling and tapping tools, saving time and effort. The sharp cutting edges and precise thread form can ensure clean, accurate holes with properly formed threads. The quick-change 1/4-inch hex shank makes it easier and safer to use on power tools. The tapered end on the hex shank prevents over-tapping. --- Made of M35 high-speed steel (5% cobalt), the tap provides increased hardness, excellent heat resistance, good toughness, wear resistance, and maintains sharpness even under high-speed drilling and tapping. The blue coating increases hardness, reduces friction and heat, improves lubricity, and protects against rust and corrosion. Useful Tips: --- Apply a suitable lubricant helps to prolong the tool life, reduce friction, and improve thread quality. Make sure the tap is properly aligned with the workpiece and has enough clearance to remove chips. Always use the correct speed and pressure.