Step Drill Bits & Countersink Set

11-Piece Step Drill Bit: This drill bit sharpener includes step drill bits with diameters of 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 7/8"-1-3/8" (19 steps). Countersink Drill Bits sizes 1/4'', 5/16", 3/8'', 1/2'', 5/8'', 3/4''. It can meet various drilling needs. Clear laser engraving text to ensure clear visibility.
Trustworthy Quality: Our industrial-grade step drill bit set is constructed with HSS material, surface Nitride Coating can keep sharp and prolong service life, and undergoes multiple manufacturing processes. To ensure superior quality and longevity.
Multi-scenario Use: The versatile step drill bits have high drilling accuracy, long service life, and strong stability, and are suitable for drilling holes in a variety of materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It is a must-have for any mechanic's toolbox.
User-friendly Design: Our four-flute step drill bit offers excellent stability. This feature increases precision and cutting speed, making it perfect for large projects or quick repairs. It cuts smoother than conventional two-straight-flute step drill bits. A valuable addition to your toolbox! This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
Excellent Service: If you encounter any problems in using our products, please contact our professional after-sales service team via mail

Main Specification
Surface Recommendation	Wood, Metal, Plastic, Aluminum
Included Components	5 Pcs Four Spiral Flute Step Drill Bit Set, 6 Pcs Countersink Drill Bits
Manufacturer	KAKILFOB
Unit Count	17 Count
Cutting Diameter	1.38 Inches
Shank Type	Quick-Change Hex
Tool Flute Type	Spiral
Brand	KAKILFOB
Cutting Angle String	118 Degrees
Number of Pieces	11
Material	High Speed Steel (Hss)
Finish Type	Titanium Nitride

Product information
Set Name	HSS, 5 Step + 6 Countersink
Number of Packs	2

Others
Item Highlight	Plastic, Wood, Aluminum, with 1/4 Inch Quick Change Hex Shank, Nitriding HSS Drill Bits for Metal
Product Type	Step Drill Bits

5 Pcs Four Spiral Flute Step Drill Bit Set, 6 Pcs Countersink Drill Bits