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7-Piece HSS Mini Circular Saw Blade Set for Rotary Tools

Specification	Details
Material	High-Speed Steel (HSS)
Blade Diameters	22mm, 25mm, 32mm, 35mm, 44mm
Blade Thickness	0.8mm
Maximum RPM	20,000 RPM
Mandrel Shank	3.2mm (1/8")
Bore Size	6.35mm
Cutting Capability	Wood, Aluminum, Plastic, PVC

Price

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₹ 186.44

(Tax included)

बारकोड: 7611377

Product Description

The 7-Piece HSS Mini Circular Saw Blade Set is the ideal solution for fine, intricate cutting tasks that full-sized saws cannot handle. The set includes five different blade diameters to suit various depths of cut and a specialized mandrel arbor for secure attachment to your rotary tool. Each blade is heat-treated for superior edge retention and finished with a precision-ground surface to minimize friction and prevent material binding. Whether you are building models, crafting jewelry, or trimming plastic housings for electronics, this kit provides the right tool for every small-scale cutting job.

Key Features

Comprehensive 7-Piece Kit: Includes 6 assorted saw blades and 1 universal mandrel shank for immediate out-of-the-box use.
High-Speed Steel Construction: Offers high hardness and excellent wear resistance compared to standard carbon steel blades.
Universal Compatibility: The 3.2mm mandrel fits perfectly into Dremel tools, rotary drills, and standard chuck-based power tools.
Fast, Accurate Cutting: Sharp serrations allow for efficient material removal with a maximum operating speed of 20,000 RPM.
Wide Application Range: Specifically designed to handle timber, plastic, fiberglass, and soft sheet metals like copper and aluminum.

Technical Details

Precision Bore: 6.35mm center hole ensures perfect centering on the mandrel to reduce vibration at high speeds.
Slim Profile: The 0.8mm thickness provides a very thin kerf, minimizing material waste and allowing for detailed work.

Prototyping and Engineering Tips from Robogears

Mandrel Safety: When installing the blade on the mandrel, ensure the screw is tightened firmly and the blade is oriented so the teeth point in the direction of rotation. Inserting the mandrel as deep as possible into the tool's collet will minimize "wobble" or "run-out" at high speeds.
Avoid Excessive Pressure: Let the speed of the tool do the work. Applying too much downward pressure can cause the thin HSS blades to flex or bind, which may lead to blade breakage or overheating of your rotary tool motor.
Cooling for Metals: When cutting thin aluminum or copper sheets, apply a small drop of cutting oil or WD-40 to the blade. This prevents the soft metal from "clogging" the teeth and keeps the temperature low for a cleaner finish.
Material Limitations: These blades are strictly for soft materials. Do not attempt to cut hardened steel, stone, or ceramics, as these will instantly dull or shatter the HSS teeth.

Package Includes

1 x HSS Saw Blade (22mm)
1 x HSS Saw Blade (25mm)
1 x HSS Saw Blade (32mm)
1 x HSS Saw Blade (35mm)
1 x HSS Saw Blade (44mm)
1 x HSS Saw Blade (50mm)*
1 x Mandrel / Arbor (3.2mm Shank)

*Note: Actual sizes in the 7-piece set may vary slightly depending on the specific manufacturing batch, but will always cover a wide range from 22mm up to 50mm.

Disclaimer

Always wear safety goggles and a dust mask when using high-speed rotary tools. Ensure your workpiece is securely clamped to prevent it from spinning or catching during the cut.

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