3-1/4"(83MM) Bi-Metal M42 Hole Saw with 8% Cobalt– Deep Cut 2" Depth HSS Hole Cutter for Wood, Plastic, Drywall, Metal Sheet & Hardened Stainless Steel(Without Arbor)
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- 1. High Concentricity 0.3mm+/-0.1mm – Precision Drilling, Clean Round Holes Engineered to 0.3mm+/-0.1mmtolerance for exceptional concentricity. Every hole is perfectly round with minimal wobble, reducing the need for rework or filing. Ideal for door hardware, hinges, pipe penetrations, and any application where hole accuracy matters.
- 2. M42 with 8% Cobalt – 30% Faster, Lasts 3X Longer Made from premium M42 high-speed steel with 8% cobalt alloy. Withstands high-temperature drilling in stainless steel and alloy, cuts 30% faster, and lasts three times as long (3X) as standard HSS hole saws.
- 3. 2" Deep Cutting Depth – 45% Deeper than Ordinary 1-3/8" Models Full 2-inch (50mm) deep cup lets you drill through thick wood beams, multi-layer drywall, pipe walls, and heavy metal plates that standard hole saws cannot handle.
- 4. Oval Eject Slots + Progressor Tooth – Fast Chip Clearance & Easy Plug Removal Strategically designed oval-shaped eject slots rapidly clear chips to reduce heat buildup, while the 4/6 TPI variable (progressor) tooth design cuts smoothly across wood, metal, and plastic. Plug removal is quick and hassle-free.
- 5. Reinforced Shoulders for Extra Durability Reinforced shoulder construction provides added strength to prevent cracking or warping under heavy use. This single hole saw is built to handle professional job site demands and tough materials day after day.
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Select a product to estimate shipping.The MDBTTOOLS 3-1/4" Bi-Metal M42 Hole Saw is a robust cutting tool designed for tackling a wide range of materials. This durable hole saw offers exceptional precision and speed, making it a valuable addition to any workshop or tool kit.
Key Highlights
- Precision Drilling: Engineered for a 0.3mm +/- 0.1mm tolerance, ensuring consistently round and accurate holes.
- Extended Durability: Constructed with M42 high-speed steel and 8% cobalt, providing 30% faster cutting speeds and a lifespan three times longer than standard HSS.
- Increased Depth: Features a 2-inch cutting depth, allowing you to drill through thicker materials like wood beams and metal plates.
- Efficient Chip Removal: Oval eject slots and a Progressor tooth design facilitate quick and easy removal of drilling chips.
Useful Facts
- Material: Alloy Steel, Cobalt, High Speed Steel, Metal
- Brand: MDBTTOOLS
- Dimensions: 3.25"L x 4"W
- Weight: 0.35 kg
Good Fit For
- DIY projects requiring accurate hole cutting
- Working with wood, plastic, drywall, metal sheet, and hardened stainless steel
- Use with bench drill presses, cordless drills, hand drill presses, and impact drivers
Product details







| Main Specification | |
|---|---|
| Kompatible enheder | Cordless Drill or Impact Driver or Bench Drill Press or Hand Drill Press |
| Materiale | Metal or Legeret stål or High Speed Steel or Cobalt |
| Fremstiller | MDBTTOOLS |
| Enhedstælling | 1 Antal |
| Kompatibelt materiale | Metal |
| Mærke | MDBTTOOLS |
| Antal elementer | 1 |
| Inkluderede komponenter | 3-1/4 in M42 Bi-Metail Hole Saw |
| Produktdimensioner | 3.25"L x 4"W |
| Varens tykkelse | 0, 13 tommer |
| Farve | Rød |
| Stil | M42 Bi-Metal with 8% Cobalt |
| Vægt | 0.35 kg |
| Product information | |
| Antal pakninger | 1 |
| Sæt navn | 3-1/4 in M42 Bi-Metal with 8% Cobalt |
| Technical Details | |
| Materialetype | Metal or Legeret stål or High Speed Steel or Cobalt |
| Delnummer | M42 Bi-Metal Hole Saw |
| Model | M42 3-1/4 in Bi-Metal Hole Saw |
| Style | |
| Stilnavn | M42 Bi-Metal with 8% Cobalt |
| Others | |
| Produkttype | Hole Saws |
| Varens dimensioner L x W | 3.25"L x 4"W |































