HSS 5PCS Titanium Spiral Grooved Step Drill Bit for Stainless Steel Drilling

HSS 5PCS Titanium Spiral Grooved Step Drill Bit for Stainless Steel Drilling. 50 Sizes in 5 Bits: Set includes five standard step drill bits capable of drilling 50 different hole diameters. Titanium Coating: Spiral grooved bits with titanium coating improve durability and extend service life. Laser Measurements: Highly visible laser measurements allow for easy size identification and improved accuracy. Universal Compatibility: Drills holes in aluminum, copper, steel, plastic, and wood up to 3mm thickness. Split Point Tip: Accelerates cutting speed and prevents angled walking from the center line. High Hardness: M2 HSS raw material provides excellent toughness with 64-65 HRC hardness. OEM & Customization: Graved logo, laser logo, and customized packing options are available. Durable Construction: Non-walking drill tip ensures fast and smooth drilling on various metal sheets.