SenaiMy 5-piece HSS Bimetallic Hole Saw Sets, 16, 18, 20, 25, 32 mm Round Hole Saw Cutter Set with Hex Wrench BitHex Shank for Drilling Thin Metal, Wood, Stainless Steel, Aluminium

• [5 Size Hole Saws]: The SenaiMy hole saw set includes five hole diameter specifications: 16mm, 18mm, 20mm, 25mm, and 32mm (corresponding to inch specifications: 5/8", 45/64", 25/32", 1", and 1-1/4"). Each size is equipped with a hex wrench and individually stored in a sturdy plastic box to minimize damage during transportation to the greatest extent
• [High-Quality Hole Saw Set]: Made of 6542 titanium-plated bimetallic high-speed steel and forged from high-carbon steel alloy, it is durable and wear-resistant. The bimetallic structure endows the hole saw with extremely high hardness, toughness and red hardness, enabling stable processing of hard metals such as ordinary steel and stainless steel
• [High-Efficiency Smooth Drilling]: The cutting edge adopts a full grinding process, ensuring smooth drilling without jamming and smooth, clean hole walls. With high concentricity, drilling is fast and not prone to deviation. The SenaiMy bimetallic impact hole saw set has a built-in spring, which can realize fast and continuous drilling, prevent chip clogging, and improve processing efficiency
• [Universal Interface Design]: The hole saw equipped with a universal hexagonal adapter is compatible with various bench drills, electric drills, and hand drills, and can be adapted to clamping ranges of 10mm-13mm and above
• [Wide Applications]: This hole saw set is ideal for drilling on materials such as thin metals, stainless steel, aluminum, copper pipes, wood, PVC plastic, and gypsum board
• [Precautions]: The electric drill power must be greater than 750W. Drilling on materials such as ceramic tiles, stones, glass, and concrete is prohibited

SenaiMy Bimetallic High-Speed Steel Hole Saw Set: Enjoy a fast and silky-smooth drilling experience. The SenaiMy 6542 titanium-plated bimetallic high-speed steel hole saw set combines durability, flexible installation, and a sleek design, completely solving your work efficiency and tooling challenges. Specifications Product Type: 5-piece hexagonal shank hole saw set with hex wrench (2-in-1 design) Main Material: Aluminum Alloy/Stainless Steel/Sheet Iron (Titanium Plating) Product Color: Brass Product Hole Diameter: 16mm, 18mm, 20mm, 25mm, and 32mm (Corresponding Imperial units: 5/8 inch, 45/64 inch, 25/32 inch, 1 inch, and 1-1/4 inch). Scope of Application: Electric drills, bench drills, lithium-ion drills (Materials include: stainless steel pipes, aluminum pipes, iron pipes, PVC pipes, copper pipes, stainless steel plates, aluminum plates, iron plates, plastic plates, copper plates) Contraindications: Tiles, stones, glass, concrete Packaging: Dimensions: 16.5 × 11 × 4.2 CM Weight: 360 g Packaging Method: Internally, strong plastic is used to store different sizes of drill bits; externally, it is boxed. Why Choose the SenaiMy Hole Saw Set? 5 Sizes: We offer 16mm, 18mm, 20mm, 25mm, and 32mm sizes for frequently used drilling scenarios. Spring Design: The precision bimetallic impact hole saw set features a built-in spring to meet the needs of continuous drilling and quick start-up, improving efficiency. Universal Interface Design: The classic hexagonal shank is compatible with most brands of electric drills. Important Note: To ensure optimal installation and extend product lifespan, keep away from water and keep dry to prevent prolonged exposure and reduced product performance. Please refer to the contraindications for the drilling material before use.