EZARC Carbide Hole Saw Heavy Duty 100mm - Long Life Cutter

In this review the EZARC Carbide Hole Saw Heavy Duty 100mm is evaluated for fabricators, metalworkers and serious DIYers who need a single hole cutter that handles stainless and other ferrous and non-ferrous sheet metals. The bottom line: it is a purpose-built, long-life cutter whose carbide teeth deliver clean, repeatable holes through up to 3/16 in thick material, and the included pilot drill, spring and wrench mean users can get to work without hunting for accessories.

Key Features

• Cutting capacity: Precisely cuts material up to 3/16 in thick so it tackles common stainless and mild steel sheetwork without overreach.
• Material compatibility: Designed to cut stainless steel, mild steel, iron, copper and brass sheet for broad workshop use.
• Carbide teeth longevity: Carbide cutting edges are rated to cut over 500 holes through stainless steel, offering up to 10x longer life versus standard bi-metal saws.
• Integrated pilot system: Spring loaded pilot bit provides fast drilling and clean plug ejection, keeping setups tidy and reducing bind-ups.
• All-in-one kit: Pilot drill bit, spring and wrench are included so no extra accessories are required to start cutting.

Who It's For

The EZARC 100mm carbide hole saw is best for metalworkers, shop technicians and committed DIYers who frequently cut holes in stainless steel and other metal sheets and who value tool longevity and clean hole quality. It is particularly useful when multiple holes are required and downtime for tooth maintenance must be minimized.

It is less suited for casual users who only need occasional holes in wood or soft materials, or for applications requiring thicker plate cutting beyond the stated 3/16 in capacity. Users who rely heavily on the pilot bit should be aware that a small number of customers reported pilot bit breakage under certain conditions.

Pros & Cons

Pros

• Carbide teeth stay sharp and cut clean, producing round holes with minimal burring.
• Lasts much longer than standard bi-metal hole saws, lowering replacement frequency and cost.
• Includes pilot drill, spring and wrench so the kit is ready to use out of the box.

Cons

• Pilot bit durability received mixed feedback; some users reported early pilot breakage when used aggressively.

Specifications

Product type	Carbide hole cutter / hole saw
Diameter	3-15/16 in (100mm)
Max material thickness	3/16 in
Materials cut	Stainless steel, mild steel, iron, copper, brass sheet
Included parts	Pilot drill bit, spring, wrench
Cutting edge	Carbide teeth (long-life)

Our Verdict

The EZARC Carbide Hole Saw 100mm is a solid, value-oriented choice for anyone who cuts holes in sheet metal regularly and needs reliable, clean results. With carbide teeth and an included pilot system it saves time and money for repeat jobs, though users should handle the pilot bit with care to avoid breakage under heavy side load.

Frequently Asked Questions

Can this cutter drill stainless steel?
Yes, it is designed specifically to cut stainless steel sheet up to 3/16 in thick using carbide teeth.

What comes in the box?
The hole saw ships with a pilot drill bit, spring and wrench so it is ready to use without extra accessories.

How long do the teeth last?
Carbide teeth are rated to cut over 500 holes through stainless steel and claim up to 10x longer life than standard bi-metal saws.