MaxTool 5-1/4" Bi-Metal Hole Saw Set 133mm Cobalt High Speed Steel M42 Bimetal Holesaw Kit 5/8-18 Thread Arbor 3PCs for Cut Tough Material; BM03W44R516A

Tackle tough hole cutting projects with precision using MaxTool professional grade 5-1/4-Inch (133mm) Cobalt Bi-Metal Hole Saw kit. The set includes a robust 133mm cobalt bi-metal hole saw blade, a sturdy arbor/mandrel, and a precision ground high speed steel pilot drill - everything you need for clean, accurate holes for immediate use. MaxTool professional-grade hole saw features M42 cobalt high speed steel construction with vacuum-hardened teeth in a 4/6 varied pattern, designed for superior cutting performance and durability when cutting multiple roughest materials. The cobalt bi-metal combines durability with excellent heat resistance, allowing for efficient cutting action and extended use. The innovative 4/6 varied teeth design optimize cutting efficiency, reduce vibration and promote smoother cutting application. The vacuum-furnace hardened teeth maintain their edges outstanding sharp, perfect wear resistance and a tendency to stay sharper. 1.5-inch cut-depth provides versatile hole-making capability in one pass for wide applications. With 7/16” hex standard arbor or mandrel, this hole saw integrates seamlessly with most of chucks and drilling systems, provides large torque, allows for fast blade changes while maintaining secure attachment during heavy duty applications. Multiple Knock-Out slots are for removing core easily. Thicker hardened wall and back prevent warping. The pilot drill ensures accurate hole placement and prevents wandering when starting your cut. Each set comes securely packaged in a rigid protective coded box for safe storage, transport, easy identification. The sturdy construction and precise grinding make this versatile set the best choice for contractors, DIY enthusiasts and professional craftsmen, while working on construction, maintenance, such as home improvements, remodeling, manufacturing, electrical, plumbing, and other professional applications. The substantial large diameter makes it perfect for large-size hole applications。

• COMPLETE 3-PIECE SET: Includes 5-1/4" (133mm) cobalt bi-metal hole saw, arbor or mandrel, and high-speed steel pilot drill bit for immediate use on your drilling projects; Standard 7/16” hex shank arbor fits most drill chucks and cutting systems for quick and secure attachment
• COBALT BI-METAL CONSTRUCTION: Features cobalt high-speed steel M42 cutting edge welded to a durable alloy steel body providing superior heat and wear resistance for efficient cutting through tough materials including metal, wood, plastic, and composite, making it an essential tool for contractors, electricians, plumbing, HVAC installations, and DIY enthusiasts
• VARIABLE TOOTH DESIGN: Features 4/6 varied teeth per inch pattern that optimizes cutting performance and delivers smooth and fast cutting action, while reducing vibration and improving chip clearance for cleaner and precise holes; 1.5-inch cut-depth provides versatile hole-making capability in one pass for wide applications.
• VACUUM FURNACE HARDENED: Advanced vacuum heat treatment process and precision-ground teeth ensure maximum durability, outstanding abrasion resistance, long-lasting sharp cutting edges, extended blade life and resist dulling for efficient fast, clean cuts even under demanding conditions
• PROTECTED STORAGE: Comes packed in a rigid storage box to keep your hole saw set organized, protected from damage, easy identification and ready for jobsite or workshop use