Step Drill Bit for Metal, M35 Cobalt Drill Bits Multiple Hole Stepped Drill Bit (3-13mm) for Hard Metal, Stainless, Steel, Aluminium, Wood, 6.35mm Hex Shank

• 【M35 Cobalt-Based Step Drill】This step drill bit for metal is made of high-speed steel with AlTiN coated on the surface. After proper heat treatment, M35 cobalt-based high-speed steel has excellent hardness and wear resistance, and its hardness is as high as 89HRC
• 【Meet Various Drilling Needs】As a top-grade cobalt step drill bits, it is able to drill or ream different holes on one drill tip with excellent speed and precision. Whether it is a home DIY project or professional use, it can meet all needs
• 【118° X-Opening and 1/4" Hexagonal Shank Design】This stepped drill bit features a spiral flute design to ensure smooth, clean drilling and efficient chip evacuation. The 118° X-opening design allows for precise drilling without the need for multiple drill bits. The 1/4" (6.35mm) hexagonal shank is compatible with a variety of drilling tools
• 【11 Step Sizes】This spiral flute step drill has 11 different step sizes: 3 - 13mm (including 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm and 13mm), which can achieve seamless and efficient drilling on workpieces of various thicknesses
• 【Precautions】To maintain your step drill bit in top - notch condition, follow these tips: when using it continuously, add cutting oil or spray water to cool. Be aware that due to the larger cutting angle, the start - up speed will be slower. Additionally, consider using a step drill bit depth stop collar set for more accurate drilling depths

【Product Information】 Product size: 75.5 *12mm Product weight: 22g Material: M35,Cobalt,HSS Packaging includes: 1 PCS M35 Cobalt Step Drill Bit for Metal (Silver, Rose Gold) Features: it is able to drill or ream different holes on one drill tip with excellent speed and precision step drill bit for metal, m35 cobalt drill bits multiple hole metal stepped drill bit (3-13mm) for hard metal, stainless, steel, aluminium, wood, 6.35mm hex shank The tapered blade made of high-speed steel is an important part of this m35 step drill bit. Its toughness and bending strength are better than standard high-speed steel, making it an ideal metal drill bit for processing hard steels such as mild steel, medium-hardness steel, and stainless steel. It is a model of cobalt drill bits, suitable for hardened steel and stainless steel drill bits. Making it suitable for both DIY enthusiasts and experienced craftsmen. In specific applications, it can also be used as a metal tapered drill bit due to its design advantages The hexagonal shank design is compatible with a variety of drilling tools. Such as bench drill presses, impact drills, and hand drills. In addition to metal materials, this step drill can also be used as a plastic step drill in some cases. Although it is not a dedicated woodworking drill bit set, it is a multi-functional tool that also has the function of a metal hole opener and can be used with a hand drill as a metal hole opener for a hand drill