Robao 5PCS 16-30MM HSS Drill Bit Hole Saw Set Stainless High Speed Steel Metal Alloy

Through a special heat treatment, sharp edge, high strength. Can work for 3mm Stainless steel plate and can quickly punching the precise holes in Steel, Stainless Steel,iron, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates In Seconds
Made from strong HHS high-speed-steel for durability
High hardness, fast cutting, wear high temperature
High Speed Steel blades set for accurate,fast and precision cutting
Endurance blade offers faster cutting and extra long life for hobbyist
Hardened steel body ensures straight, accurate cuts
Precision ground teeth for perfect finish cut
Specification:
Size (Outside dia.) :16/18.5/20/25/30mm
Material:HSS
Package include:
5PCS drill
Note:
In the process of punching hole, Suggested that adding water cooling to help to extend the service life of the product.

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