22mm Cutting Edge Titanium and Nitride Coated Reduced Shank Twist Drill Bit for Stainless Steel

22mm Cutting Edge Titanium and Nitride Coated Reduced Shank Twist Drill Bit for Stainless Steel. Dual Coating Technology: Gold titanium and black nitride coatings provide superior lubrication, corrosion resistance, and durability. High Speed Steel Material: Constructed from 4341 HSS with high hardness, toughness, strength, and wear resistance. Tri-Flat Shank Design: Ensures tighter clamping and precise drilling in portable drill chucks. Wide Application Range: Suitable for stainless steel, aluminum, iron, copper, brass, hard wood, and hard plastic. Customized Options Available: Offers OEM, logo marking, and customized packing based on customer requirements. Sharp Spiral Flutes: Facilitates fast, neat, and smooth cuts while efficiently exporting metal chips. Multiple Shank Types: Available in reduced shank, straight shank, taper shank, and three-flat shank configurations. Strict Quality Control: Includes raw material inspection, hardness testing, and final packaging checks.