Dapetz ® 6pcs M3-M10 Combination Drill Tap Bit Set HSS 6542 Titanium Coated Countersink,Applicable to Some Types of Carbon Steel and Ordinary Steel, Copper and Aluminum Magnesium Alloy Drilling Hole.

HIGH-QUALITY & DURABLE CONSTRUCTION: Constructed to support dependable day-to-day performance, uses High Speed Steel 6542 material, higher hardness, more robust,can be intended for drilling the steel plate even the 2mm 304 steel plate. KEY PRODUCT FEATURE: The key design feature is complete Hole Drilling, Tapping And Deburring/Countersinking In One Operation With Power Drill Saves Labor, Time. SECURE & RELIABLE PERFORMANCE: For dependable performance, applicable to some types of carbon steel and ordinary steel, copper and aluminium magnesium alloy drilling hole. EASY INSTALLATION / USE: For straightforward operation, featured Refinements: Long Drill Bit,Metal Drill Bits. VERSATILE APPLICATIONS: In practical applications, 100% Brand New and quality.