Which machines are compatible with this saw chain?

This saw chain is designed for Festool sword saws IS 330 and ISP 330.

What materials can you cut with this chain?

It is suitable for highly compression-resistant insulation materials over 150 kg/m³, such as PUR/PIR boards, wood fibre boards, and hard mineral wool.

What is the chain pitch of this product?

The chain has a 3/8 inch pitch.

Are tools needed to install and tension the chain?

No, mounting and adjusting the chain tension are done completely without tools.

Can this saw chain be resharpened?

Yes, you can resharpen the chain multiple times using a 4 mm round file.

FESTOOL SC 3/8"-91 IH-57E saw chain - 769090

Name: FESTOOL SC 3/8"-91 IH-57E saw chain - 769090
Brand: FESTOOL
SKU: 02632121
Price: 111.4 EUR
Availability: PreOrder

Supplier number: FESTOOL 769090 | EAN 4014549205853

Recommended Retail Price €148.61

111.40 tax incl.

€92.07 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

blister

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Tough Festool chain for insulation

Practical benefits

For dense insulation boards: You cut effortlessly through pressure-resistant insulating materials such as rigid foam, PUR, PIR, and wood fibre.
Tool-free mounting and tensioning: You install the chain on your sword saw and adjust tension swiftly without requiring any additional hand tools.
Easily resharpened for durability: The ISO Hard construction allows you to resharpen the teeth multiple times with a 4 mm round file.

In a nutshell

The right choise for

With the Festool sc 3/8"-91 IH-57E saw chain, you cut effortlessly through highly pressure-resistant insulation boards. Designed specifically for the Festool is 330 and isp 330 sword saws, this 3/8-inch iso Hard chain tackles dense wood fibre, PUR, PIR, and hard mineral wool with bulk densities over 150 kg/m³ without jamming or tearing. You install and adjust chain tension directly on the saw completely tool-free, keeping roof and facade jobs moving fast. To extend service life on demanding renovation and timber construction projects, you can resharpen the cutting teeth repeatedly using a standard 4 mm round file.

Product information FAQ

€111.40

tax incl.

Key features according to our expert

Pitch: 3/8 inch

Product description

The robust chain for solid materials.

This chain for the sword saw is specially designed to cut particularly hard insulating materials.

Simple tool-free assembly in the sword saw
Chain tension can be adjusted without using tools
Can be resharpened multiple times with a 4 mm round file
Cutting pressure-resistant insulating materials up to a bulk density of 150 kg/m³

Ideally suited for

Cutting pressure-resistant fibreboards for flat roof insulation
Cutting PUR/PIR (polyurethane hard foam) and polystyrene insulating boards as well as hard rock wool and glass wool up to 330 mm
Laying insulation boards
Facade insulation
Roof renovation
For IS 330, ISP 330

All Features

Pitch: 3/8 inch
Tooth angle: 30.00 °

Brand FESTOOL
02632121
EAN 4014549205853
Supplier number FESTOOL 769090

Frequently asked questions about this product

Answered by specialists

Which machines are compatible with this saw chain?: This saw chain is designed for Festool sword saws IS 330 and ISP 330.
What materials can you cut with this chain?: It is suitable for highly compression-resistant insulation materials over 150 kg/m³, such as PUR/PIR boards, wood fibre boards, and hard mineral wool.
What is the chain pitch of this product?: The chain has a 3/8 inch pitch.
Are tools needed to install and tension the chain?: No, mounting and adjusting the chain tension are done completely without tools.
Can this saw chain be resharpened?: Yes, you can resharpen the chain multiple times using a 4 mm round file.