What is the maximum cutting depth of this hole saw?

The Ridgid M121 provides a maximum cutting depth of 49 mm (1 15/16 in).

Which materials is the Ridgid M121 suitable for?

This bi-metal hole saw cuts wood, plastic, mild and stainless steel, cast iron, brass, and aluminum.

What is the diameter of this hole saw?

This model features a cutting diameter of 121 mm (4 3/4 in).

What type of connection does this hole saw have?

It features an internal thread mount designed to fit compatible hole saw arbors.

What material is the cutting edge made of?

The cutting edge is made of premium M42 HSS bi-metal for durability and fast material removal.

RIDGID 52985 HS holesaw M121

Name: RIDGID 52985 HS holesaw M121
Brand: RIDGID
SKU: 41470092
Price: 66.8 EUR
Availability: PreOrder

Supplier number: RIDGID 52985 | EAN 0095691529855

Recommended Retail Price €105.32

66.80 tax incl.

€55.21 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

Ordered before 20:00 - delivered as of 13/10/2026
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

Clean circular cuts with Ridgid

Practical benefits

Efficient cutting in metals: You cut smoothly through stainless steel, brass, and wood using the durable M42 high-speed steel teeth.
Deep cutting reach 49 mm: You handle thick workpieces easily with a generous 49 mm cutting depth across different materials.
Fast and easy slug removal: The integrated side slots allow you to quickly leverage and extract cut slugs without hassle.

In a nutshell

The right choise for

With the Ridgid M121 hss-bim hole saw, you cut clean and accurate 121 mm circular openings with ease. Built with durable M42 high-speed steel bi-metal teeth, it powers through stainless steel, aluminum, wood, and plastic while resisting tooth wear. The generous 49 mm cutting depth allows you to drill smoothly through thicker workpieces for ducting and pipe installations. Integrated side slots make slug removal fast and straightforward, keeping your workflow efficient on every job.

Product information FAQ

€66.80

tax incl.

Key features according to our expert

Diameter (hole saw): 121 mm; 4 3/4 inch
Connection type: Internal thread
Max. cutting depth: 1 15/16 inch
Overall length: 49 mm

Product description

RIDGID bi-metal hole saws have become more cost-effective while offering maximum cutting performance.They are made with a cutting edge of premium M42 HS steel and have a tooth set design with twice the life of the old hole saws.RIDGID variable tooth pitch hole saws are ideal for wood, plastics, machinable metals, stainless steel alloys and wood with nails. They are now made with a cutting edge of premium M42 HS steel and have a patent-pending tooth set design with twice the life of the old hole saws.

Cutting edge made of premium M42 HS steel.
Tooth set design optimised to remove material faster.
Longer product life - 2x the life of old hole saws.
Cutting depth from 1-15/16" (49 mm).
Opening for quick and easy chip removal.
Durable sidewall of .050" (prevents collapse).
New solid shaft reduces vibrations.

All Features

Diameter (hole saw): 121 mm; 4 3/4 inch
Connection type: Internal thread
Max. cutting depth: 1 15/16 inch
Overall length: 49 mm
Diameter: 121 mm
Diameter thumb: 4 3/4"

Brand RIDGID
41470092
EAN 0095691529855
Supplier number RIDGID 52985

Frequently asked questions about this product

Answered by specialists

What is the maximum cutting depth of this hole saw?: The Ridgid M121 provides a maximum cutting depth of 49 mm (1 15/16 in).
Which materials is the Ridgid M121 suitable for?: This bi-metal hole saw cuts wood, plastic, mild and stainless steel, cast iron, brass, and aluminum.
What is the diameter of this hole saw?: This model features a cutting diameter of 121 mm (4 3/4 in).
What type of connection does this hole saw have?: It features an internal thread mount designed to fit compatible hole saw arbors.
What material is the cutting edge made of?: The cutting edge is made of premium M42 HSS bi-metal for durability and fast material removal.