What is the benefit of the carbide teeth?

The tungsten carbide-tipped (TCT) teeth provide high wear resistance and extended durability in abrasive building materials.

What are the primary dimensions of this blade?

The blade has an overall length of 305 mm and a tooth pitch of 12.7 mm (2 TPI).

Does this saw blade correspond to the S1243HM standard?

Yes, this model matches the standard S1243HM specification for heavy-duty masonry cutting.

DEWALT DT2421-QZ reciprocating saw blade HM 305x12,7mm - S1243HM

Name: DEWALT DT2421-QZ reciprocating saw blade HM 305x12,7mm - S1243HM
Brand: DEWALT
SKU: 03166277
Price: 42.4 EUR
Availability: PreOrder

Supplier number: DEWALT DT2421-QZ | EAN 5035048072769

Recommended Retail Price €95.71

42.40 tax incl.

€35.04 excl. VAT (incl. all environmental contributions)

On order: delivered from 20/10/2026

Delivery by DHL

✆ Talk to a specialist

Fast cutting with Dewalt

Practical benefits

Durable tungsten carbide teeth: Tough carbide teeth cut through aerated concrete, brick, and fibre cement with outstanding durability.
Fast and efficient cutting: The large 12.7 mm tooth pitch clears material quickly to give you rapid cutting progress.
Stable straight cut control: A sturdy blade construction prevents bending so you achieve straight, accurate cuts on every pass.

In a nutshell

The right choise for

With the Dewalt DT2421-QZ reciprocating saw blade, you can cut effortlessly and accurately through abrasive masonry materials such as aerated concrete, red brick, poroton, and fiber cement boards up to 250 mm thick. Its durable tungsten carbide-tipped (HM/TCT) teeth deliver outstanding wear resistance during heavy-duty renovation and demolition tasks. The large 12.7 mm tooth pitch (2 TPI) clears debris quickly to ensure rapid cutting progress. In addition, the rigid 305 mm blade body resists bending so you achieve straight, clean cuts every time. Thanks to the universal shank, this S1243HM blade fits standard reciprocating saws from Dewalt, Bosch, Makita, and other brands.

Product information FAQ

€42.40

tax incl.

Key features according to our expert

Length: 240 mm
For material: Various
Teeth per inch: 12,7

Product description

Reciprocating saw blade HM 305x12.7mm, Cellular concrete/brick/fibre cement panels - S1243HM

Features

For use with reciprocating saws, without cord and with cord

All Features

Length: 240 mm
For material: Various
Teeth per inch: 12,7
Length: 12,7 mm
Thickness: 305,0 mm
Width: 1,0

Brand DEWALT
03166277
EAN 5035048072769
Supplier number DEWALT DT2421-QZ

Frequently asked questions about this product

Answered by specialists

Which materials is this reciprocating saw blade suitable for?: It is designed for cutting aerated concrete, red brick, poroton, and fiber cement boards up to a thickness of 250 mm.
Which reciprocating saws are compatible with this blade?: The universal shank fits reciprocating saws from Dewalt, Bosch, Makita, and other brands with standard mounts.
What is the benefit of the carbide teeth?: The tungsten carbide-tipped (TCT) teeth provide high wear resistance and extended durability in abrasive building materials.
What are the primary dimensions of this blade?: The blade has an overall length of 305 mm and a tooth pitch of 12.7 mm (2 TPI).
Does this saw blade correspond to the S1243HM standard?: Yes, this model matches the standard S1243HM specification for heavy-duty masonry cutting.