Which materials is this saw blade suitable for?

It is designed for cutting fibre cement, laminate, composite panels like trespa, and various wood materials.

Which machines are compatible with this circular saw blade?

It fits compact circular saws requiring a 115 mm blade diameter and a 9.5 mm bore, such as the Dewalt DCS571.

What are the dimensions of this saw blade?

The blade has an outer diameter of 115 mm, a 9.5 mm bore size, and a 1.8 mm kerf width.

What is the benefit of the PCD teeth?

Polycrystalline diamond teeth offer superior wear resistance and last significantly longer than carbide in abrasive materials.

How many teeth does this saw blade have?

It features 4 PCD teeth, optimized for abrasive fibre cement boards while generating less dust.

DEWALT DT20421-QZ circular saw blade PCD laminate/fibre cement 115x10x4t

Name: DEWALT DT20421-QZ circular saw blade PCD laminate/fibre cement 115x10x4t
Brand: DEWALT
SKU: 08070435
Price: 32.2 EUR
Availability: PreOrder

Supplier number: DEWALT DT20421-QZ | EAN 5054905256005

Recommended Retail Price €71.51

32.20 tax incl.

€26.61 excl. VAT (incl. all environmental contributions)

On order: delivered from 22/10/2026

Ordered before 20:00 - delivered as of 22/10/2026
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.

Tough cutting with Dewalt

Practical benefits

Long lasting diamond teeth: You cut effortlessly through abrasive fiber cement boards using four durable polycrystalline diamond tipped teeth.
Reduced dust during cutting: The specialized tooth geometry minimizes dust creation, allowing you to maintain a cleaner workspace while cutting.
Versatile multi material use: You achieve clean cuts across laminate, fiber cement, and dense composites with the 1.8 mm kerf.

In a nutshell

The right choise for

With the Dewalt DT20421-QZ circular saw blade, you cut effortlessly and with extreme wear resistance through highly abrasive materials. Featuring a 115 mm diameter, a 9.5 mm bore, and a 1.8 mm kerf width, this blade is equipped with four polycrystalline diamond (PCD) tipped teeth. You achieve clean, precise cuts in fibre cement boards, laminate, and dense composites such as Trespa. The dedicated tooth geometry ensures a significantly longer service life than standard blades and noticeably reduces dust generation on the jobsite.

Product information FAQ

€32.20

tax incl.

Key features according to our expert

Saw blade diameter: 115 mm
Bore size: 9,5 mm
Number of teeth: 4
Kerf width: 1,8 mm
For material: Laminate; Cement-bonded boards
Mounting (saw blade/cutter): Round

Product description

115mm 4T MULTI MATERIAL CIRC SAW BLADE

Features

Designed to cut through abrasive materials such as fibre cement or laminate
Perfect for cutting cement fibreboard and other dense composite panels
In addition, this blade performs exceptionally well on dozens of other applications, including: laminated and melamine surfaces, soft and hardwood, MDF, plywood and chipboard
Multi Material
Poly Chrysaline Diamond Tooth - 100X Life vs TCT Tooth

All Features

Saw blade diameter: 115 mm
Bore size: 9,5 mm
Number of teeth: 4
Kerf width: 1,8 mm
For material: Laminate; Cement-bonded boards
Mounting (saw blade/cutter): Round
Thickness: 1,0
Rake angle: 1,4 mm
Application material: 1,8 mm
Diameter: 115,0 mm
Kerf thickness: Flat Top
Grind: 9,5 mm
Plate thickness: Extreme
Pack quantity: 4
Tooth count: Clockwise
Bore size: Multi

Brand DEWALT
08070435
EAN 5054905256005
Supplier number DEWALT DT20421-QZ

Frequently asked questions about this product

Answered by specialists

Which materials is this saw blade suitable for?: It is designed for cutting fibre cement, laminate, composite panels like trespa, and various wood materials.
Which machines are compatible with this circular saw blade?: It fits compact circular saws requiring a 115 mm blade diameter and a 9.5 mm bore, such as the Dewalt DCS571.
What are the dimensions of this saw blade?: The blade has an outer diameter of 115 mm, a 9.5 mm bore size, and a 1.8 mm kerf width.
What is the benefit of the PCD teeth?: Polycrystalline diamond teeth offer superior wear resistance and last significantly longer than carbide in abrasive materials.
How many teeth does this saw blade have?: It features 4 PCD teeth, optimized for abrasive fibre cement boards while generating less dust.