Which materials can this hole saw cut?

The bi-metal hole saw cuts efficiently through wood, metal, and plastic.

What are the diameter and cutting depth of this hole saw?

This hole saw has a 68 mm diameter and a cutting depth of 40 mm.

Is this diameter suitable for standard electrical back boxes?

Yes, 68 mm is the standard diameter required for drywall electrical boxes.

How do you remove the cut core from the hole saw?

Large side slots provide leverage to quickly eject the plug with a screwdriver.

Is an arbor and pilot drill included?

No, this is the bare hole saw. A compatible hole saw arbor with pilot drill bit is required.

DEWALT DT90327-QZ holesaw Extreme bi-metal Ø68mm cutting depth 40mm

Name: DEWALT DT90327-QZ holesaw Extreme bi-metal Ø68mm cutting depth 40mm
Brand: DEWALT
SKU: 08070624
Price: 15.95 EUR
Availability: PreOrder

Supplier number: DEWALT DT90327-QZ | EAN 5054905250713

Recommended Retail Price €35.45

15.95 tax incl.

€13.18 excl. VAT (incl. all environmental contributions)

On order: delivered from 15/10/2026

Ordered before 20:00 - delivered as of 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

What does this mean exactly?

Free battery, delivered directly: spend a total of €350 excl. VAT on DeWALT products and receive a free XR 18V 5.0Ah battery worth €128.38. This is an exclusive Klium promotion: the battery is automatically added to your shopping cart and delivered together with your order.
Free work light, delivered after registration: if you also purchase a participating product from the DeWALT work light promotion, you will receive a free DeWALT work light, depending on the participating machine.
To receive your free work light, register your purchase after receiving your order via dewalt.be or dewalt.nl.
Klium free battery promotion: valid from 01.10.2026 to 31.12.2026.
DeWALT work light promotion: valid from 01.09.2026 to 31.12.2026.

During DeWALT Power Month, you can combine a free battery from Klium with a free work light from DeWALT.

Efficient cutting with Dewalt

Practical benefits

Patented teeth optimize clearance: Specially designed tooth forms remove chips rapidly so you experience smooth drilling and prolonged cutting life.
Versatile HSS cutting edge: The bi-metal build allows you to bore cleanly through wood, plastic, and metal without changing tools.
Fast plug removal slot: The large continuous slot gives you leverage to eject cut material quickly without interrupting your work.

In a nutshell

The right choise for

With the Dewalt DT90327-QZ Extreme bi-metal hole saw, you achieve fast and accurate 68 mm circular cutouts. This diameter is the standard size for installing drywall electrical back boxes and switch boxes. Its bi-metal design with an hss cutting edge cuts smoothly through wood, metal, and plastic with a cutting depth of up to 40 mm. The patented tooth geometry clears chips rapidly to ensure efficient and steady drilling progress. Once the cut is complete, the large continuous side slot gives you the leverage to quickly eject the core with a screwdriver, keeping your work moving without interruption.

Product information FAQ

€15.95

tax incl.

Key features according to our expert

Diameter (hole saw): 68 mm
Product Range: Dewalt EXTREME

Product description

Bi-Metal Hole Saw 68mm Extreme

Features

Up to 2X Longer Life* *vs prior generation DEWALT Bi-Metal Hole Saws
Patented tooth forms optimize chip removal for efficient drilling and long life
Fast Plug Ejection
Large, continuous slot provides leverage for easy plug ejection and removal
Versatile Drilling Performance
High Speed Steel cutting edge effectively drills through wood, metal and plastic
Designed for Thick Materials (upto 44mm)
Deep hole saw design allows for cutting 2-by dimensional lumber in one pass

All Features

Diameter (hole saw): 68 mm
Product range: Dewalt EXTREME

Brand DEWALT
08070624
EAN 5054905250713
Supplier number DEWALT DT90327-QZ

Frequently asked questions about this product

Answered by specialists

Which materials can this hole saw cut?: The bi-metal hole saw cuts efficiently through wood, metal, and plastic.
What are the diameter and cutting depth of this hole saw?: This hole saw has a 68 mm diameter and a cutting depth of 40 mm.
Is this diameter suitable for standard electrical back boxes?: Yes, 68 mm is the standard diameter required for drywall electrical boxes.
How do you remove the cut core from the hole saw?: Large side slots provide leverage to quickly eject the plug with a screwdriver.
Is an arbor and pilot drill included?: No, this is the bare hole saw. A compatible hole saw arbor with pilot drill bit is required.