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DeWALT DT20421-QZ 115mm 4T 9.5mm PCD Circ Saw Blade DCS571

Name: DeWALT DT20421-QZ 115mm 4T 9.5mm PCD Circ Saw Blade DCS571
Brand: DEWALT
SKU: 5054905256005
Price: 35.99 GBP
Availability: InStock
Rating: 4.5 (2 reviews)

~~£103.82~~

Sold by DataPowerTools and 4 other sellers

Product information

Description

General description

The DEWALT DT20421 PCD Circular Saw Blade is specifically designed for use with the DEWALT DCS571 Compact Circular Saw. This multi-material saw blade excels in cutting fiber cement panels and is also effective on a variety of wood-based materials. Its polycrystalline diamond (PCD) teeth provide superior durability, maintaining sharpness longer than traditional high-speed steel blades, and significantly reduce dust during operation.

Technical specifications

Diameter: 115 mm

Bore: 9.5 mm

Tooth Count: 4

MPN: DT20421-QZ

EAN: 5054905256005

Compatibility and accessories

Compatible with standard circular saws that accept a 115 mm blade

Suitable for cutting: fibre cement, Marley Eternit, HardieBacker®, Trespa®, laminated flooring, melamine, soft and hardwoods, MDF, plywood, and chipboard

Installation

Ensure the saw is unplugged before installation

Align the blade with the saw's arbor and tighten securely

Check that the blade is properly seated and rotates freely before use

Usage

Use with appropriate safety gear, including eye protection and gloves

Follow the manufacturer's guidelines for cutting speed and feed rate

Ensure the material is securely clamped before cutting

Other information

DeWalt DT20421 PCD Circular Saw Blade 115 X 9.5MM X 4T

Features

Brand
DEWALT
Width
15 cm
NF certification
NF115
Warranty
1 year(s)
Origin
Made in China

Customer reviews

4,5

/ 2 Reviews

Reviews verified by ManoMano

MMichel

Published on 28/06/2023, France

Good for wood. Very clean cut On the other hand, many chips for thin Formica panels. The 24 tooth blade works best for this. Longevity remains to be seen.

Kkevin

Published on 17/03/2026, United Kingdom

Advice from

Circular saw blade buying guide

A circular saw will be your greatest ally for a range of DIY projects. But these tools aren't worth a thing unless you have high-quality blades. Looking for a good carbide-tipped blade to make accurate straight or 90-degree cuts? Follow our guide for everything you need to know about circular saw blades!

Read our guide

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