Router Bit for 5pcs HSS Spiral Step Drill Bit Set Four Flute 1/8 to 1-3/8 Inch High Speed Steel Hex Shank for Stainless Steel Aluminum Wood Plastic Metal Hole Drilling Tools（Quantity:5Pcs

Cool Soft Commodity For Applicable To The Use Of Branded Products And Equipment For The Following Content. Quantity: 1pcs Router Bit For 5pcs HSS Spiral Step Drill Bit Set Four Flute 1/8 to 1-3/8 Inch High Speed Steel Hex Shank for Stainless Steel Aluminum Wood Plastic Metal Hole Drilling Tools（quantity:5Pcs) Specifications: Material: High-Speed Steel (HSS) with nitride coating Cutting Diameter: Up to 1.38 inches Shank Type: Straight (1/4' & 3/8' hex shank compatibility) Tool Flute: Spiral, four-flute design Step Sizes: 3/16'-1/2' (6 steps) 1/8'-1/2' (13 steps) 1/4'-3/4' (9 steps) 3/16'-7/8' (12 steps) 3/16'-1-3/8' (19 steps) Features: 1.Premium High-Speed Steel Construction: Made from industrial-grade HSS with a nitride coating, these step drill bits resist wear and maintain sharp cutting edges for consistent performance on various materials, including stainless steel. 2.Four-Flute Spiral Design: The enhanced spiral design ensures superior cutting stability, faster chip clearance, and cleaner finishes—allowing precise hole drilling with reduced wobbling and heat accumulation. 3.Wide Diameter Range and Laser Markings: With step sizes ranging from 1/8' to 1-3/8', this set covers all your drilling needs and features permanent laser-etched size markings for easy reference during use. 4.Versatile Material Compatibility: Optimized for drilling in stainless steel, aluminum, copper, plastic, carbon steel, and wood, making it an essential tool for diverse applications such as home improvement, auto repair, and more. 5.Blow-Molded Storage Case: Convenient storage case keeps the drill bits organized, making transport effortless while ensuring quick access and protection during on-site tasks and daily use. Package Included: 5 x Step Drill Bit 1 x Storage Case Country of Origin：Made In China Brand : Cool Soft

• Quantity: 1pcs