Features Dual Purpose Design: With a 135° angle, this drill tap efficiently combines drilling and tapping functions, saving you time and enhancing versatility in your projects Precision Engineering: Expertly machined and hand polished, these taps feature smooth finishes and fine threads, ensuring a seamless user experience for all applications Durable High Speed Steel: Crafted from premium high speed steel, these taps are robust and resilient, providing exceptional wear resistance for long-lasting performance Versatile Application Range: Ideal for use on thick cast iron, steel plates, aluminum alloy, and more, this tool caters to a wide variety of materials for diverse projects 6-Piece Set Variety: This package includes 6 different sizes, allowing you to choose the perfect tap for each task, meeting your specific needs effortlessly Features: 1、SPECIFICATIONS: Including 2pcs drill bit adapters, convert M10 thread drill bits to M14, or convert M14 thread drill bits to M10 thread. 2、APPLICABLE TOOLS: Can be used together with M14 female thread coring drill, hole saw, profiling wheel, cup grinding wheel and other tools. 3、ALLOY STEEL: These drill bit converters are made of excellent alloy steel, with high hardn, impact resistance, and wear resistance. 4、STANDARD SIZE: These thread converters have standard size, and not easily detached when installed on tools, with good stability. 5、FINE PROCING: With exquisite workmanship, these adapters have a glossy appearance, without burrs or gaps, ensuring safe use. Specification: Item Type: Drill Bit Adapter Material: Alloy Steel Specification: M10 to M14, M14 to M10 Package List: 2 x Drill Bit Adapter Package List 2 x Drill Bit Thread Converter