Name: FESTOOL USB 78/42/Bi/OSC/5 Universal Bimetal Saw Blades 78x42mm 5 Pack
Brand: FESTOOL
SKU: FES203336
Price: 2522.96 ZAR
Availability: InStock

FESTOOL USB 78/42/Bi/OSC/5 Universal Bimetal Saw Blades 78x42mm 5 Pack

Stock: 1 - 5 Days
Cat No: FES203336 5395
SKU: FES203336
UPC: 4014549307281

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Festool USB 78/42/Bi/OSC/5 Universal Bimetal Saw Blades

At a Glance: Extra-long 78 x 42 mm Starlock Max universal multitool saw blades manufactured from high-grade bimetal for fast, clean and durable cutting across a wide range of materials including wood, wood containing nails, coated and painted wood, composites, GRP, plasterboard, non-ferrous metals and plastics. Ideal for deep plunge cuts with the Festool VECTURO OSC 18. Pack of 5.

The Festool USB 78/42/Bi/OSC/5 is a robust professional universal saw blade designed for the VECTURO OSC 18 oscillating multitool. Its high-grade bimetal construction combines excellent cutting performance with the toughness required for demanding renovation, installation and construction work. The universal tooth geometry allows the blade to process an impressively broad range of materials, from ordinary timber and coated or painted wood through composite materials, GRP, plasterboard, plastics and non-ferrous metals. It is also robust enough to cope with occasional nails embedded in wood. At 78 mm long, the blade offers substantial reach for deep plunge cuts, while its 42 mm width provides useful stability and control during longer cuts. The offset blade shape assists chip removal during plunge cutting, and the Starlock Max interface provides secure power transfer and fast tool-free blade changes on the Festool OSC 18. This professional set contains five identical blades.

The robust all-rounder

The USB 78/42/Bi/OSC is designed for jobs where the material may change during the cut or cannot always be identified with certainty beforehand. Its bimetal construction and universal tooth geometry make it far more tolerant than a dedicated HCS wood blade, allowing one blade to work through timber, coatings, plastics, non-ferrous metal and even wood containing nails.

Product highlights

High-grade bimetal construction: Combines cutting performance with excellent durability and resistance to damage.
True universal blade: Suitable for wood, coated wood, painted wood, composites, GRP, plasterboard, non-ferrous metals and plastics.
Robust against nails in wood: Better suited than a conventional HCS wood blade where occasional embedded nails may be encountered.
Extra-long 78 mm blade: Provides excellent reach and allows particularly deep plunge cuts.
42 mm blade width: Gives the blade useful stability and makes it well suited to longer controlled cuts.
Ideal for plunge cutting: Festool specifically designed the blade geometry for effective plunge cuts.
Offset blade shape: Promotes easy chip removal during the cutting process.
Starlock Max performance class: High-performance interface for efficient transfer of the OSC 18&s oscillating movement.
High cutting speed: Universal tooth geometry is engineered to maintain productive cutting progress across many materials.
High cut quality: Designed to combine useful cutting speed with controlled, professional results.
Long service life: Bimetal construction is particularly valuable during demanding renovation and installation work.
Tool-free blade changes: Allows the accessory to be changed quickly on the Festool OSC 18.
Professional 5-pack: Keeps replacement blades readily available for regular workshop and site use.

Product Compatibility

Festool VECTURO OSC 18: Cordless oscillating multitool.
Festool OSC-AH positioning aid: Particularly useful together with the positioning aid when controlled plunge cuts are required.

Compatibility note: Festool classifies the USB 78/42/Bi/OSC/5 as a Starlock Max accessory and specifies it for the VECTURO OSC 18.

Features

Universal tooth geometry: Designed to cut numerous construction and interior-fitting materials with one blade.
High-quality bimetal: Provides greater toughness than a conventional HCS wood-only blade.
78 mm blade length: Extra-long construction provides increased plunge-cutting depth.
42 mm blade width: Broad cutting edge supports stable, controlled cutting.
Offset blade shape: Helps chips clear efficiently during plunge and straight cutting.
Starlock Max connection: Provides a secure interface and efficient transfer of machine power.
Tool-free installation: Designed for quick blade replacement on the compatible VECTURO OSC 18.
Five blades per pack: Convenient professional quantity for demanding applications.

Benefits

Fewer blade changes: One universal blade can handle several common building, fitting and renovation materials.
Excellent renovation versatility: Particularly useful when cutting existing structures where timber, coatings, plastics or occasional nails may be encountered.
Greater plunge depth: The 78 mm blade length allows deeper access than shorter multitool blades.
Durable around hidden fasteners: Bimetal construction provides useful resilience when a nail is unexpectedly encountered in timber.
Stable longer cuts: The 42 mm width provides good support and directional control.
Effective chip removal: The offset blade form helps prevent waste material from unnecessarily restricting the cut.
Fast accessory changes: The OSC 18&s tool-free system minimises downtime when switching between cutting applications.
Professional productivity: High cutting speed, broad material compatibility and long blade life make it a useful everyday blade for installation teams and renovation trades.

Application

Plunge cuts.
Deep plunge cuts with the OSC 18 positioning aid.
Longer straight cuts.
Cutting solid wood.
Cutting wood containing nails.
Cutting coated wood.
Cutting painted wood.
Cutting composite materials.
Cutting GRP / glass-fibre-reinforced plastic.
Cutting plasterboard.
Cutting suitable non-ferrous metals.
Cutting plastics.
Renovation and refurbishment.
Interior fitting.
Furniture and cabinet installation.
Door and window installation.
General construction and repair work.

Extra Information

What does USB mean? USB identifies Festool&s universal saw-blade family for oscillating multitools.
What does 78/42 mean? The blade has a nominal length of 78 mm and a width of 42 mm.
What does Bi mean? Bi identifies the blade as bimetal, combining materials to provide both cutting performance and increased toughness.
What does OSC mean? OSC identifies the Festool VECTURO OSC oscillating multitool system.
What does /5 mean? The package contains five individual saw blades.
What is Starlock Max? Starlock Max is the high-performance mounting class specified by Festool for this blade. The interface provides secure engagement and efficient transmission of the oscillator&s movement into the accessory.
What does offset blade shape mean? The blade is formed so the cutting section is offset relative to the mounting area. Festool states that this geometry assists chip removal and makes the blade especially suitable for plunge cuts.
Why is bimetal useful? A pure HCS blade is excellent for clean wood cutting but is vulnerable when it encounters metal. Bimetal construction gives the universal blade significantly greater toughness, allowing it to handle a much wider range of materials.
Can it cut nails? Festool specifically describes the blade as robust even against nails found in wood. It is therefore particularly useful during renovation where concealed fasteners may be present.
Why is the blade extra-long? At 78 mm, the blade provides additional reach for deeper plunge cuts and other applications where a standard shorter multitool blade cannot reach far enough.
Why is the blade 42 mm wide? The broad cutting edge provides useful lateral stability and makes the blade particularly suitable for controlled plunge cuts and longer cuts.

Universal bimetal versus a dedicated wood blade

A dedicated Japanese-tooth HCS wood blade can provide exceptional speed and edge quality in clean timber, but it should not be used where hidden metal may be encountered. The USB 78/42/Bi/OSC sacrifices some of that highly specialised wood-cutting character in exchange for much greater versatility and toughness. For refurbishment, installation and unpredictable mixed-material work, that versatility can be far more valuable.

Extra length for controlled plunge cutting

The 78 mm blade is one of the defining features of this model. Its additional reach is particularly useful when making deep openings or cut-outs. Festool specifically recommends the blade for plunge cuts and notes that its length makes it especially effective when used together with the OSC 18 positioning aid for controlled plunging.

Pro Tips

Use the OSC 18 positioning aid where an accurately controlled plunge cut and defined cutting direction are important.
Let the oscillating action perform the work. Excessive forward pressure usually creates extra heat and can shorten blade life.
When cutting unknown existing timber, expect the possibility of concealed nails or fasteners and work at a controlled feed rate.
Bimetal improves resistance to occasional nails, but repeated heavy cutting of substantial steel fasteners should be approached with the appropriate specialist blade.
Use the full blade length only where necessary; shallower cutting generally places less stress on the accessory.
For long cuts, maintain the blade square to the intended cutting line and avoid bending it sideways.
When cutting plastics, use a controlled speed and feed to minimise unnecessary heat build-up or melting.
When cutting non-ferrous metal, avoid excessive pressure and allow the teeth to work progressively through the material.
For plasterboard and composite materials, use suitable dust control because the resulting fine particulate can be hazardous.
Replace the blade when cutting performance drops significantly rather than compensating with excessive machine pressure.
Allow the blade to cool after demanding work before touching or changing it.
Store spare blades so the teeth cannot rub against other tools or accessories.

How to Use

Switch off the VECTURO OSC 18 and remove the battery before fitting or changing the blade.
Inspect the USB 78/42/Bi/OSC blade for damaged teeth, cracks, excessive wear or deformation.
Make sure the Starlock Max mounting surfaces on both the blade and machine are clean.
Fit the blade to the OSC 18 in the required approved working position.
Secure the accessory completely using the machine&s tool-free clamping system.
Where a controlled plunge cut is required, install and adjust the appropriate OSC 18 positioning aid according to its instructions.
Mark the required cut clearly on the workpiece.
Check the area for services or other hazards hidden behind the cutting surface.
Secure movable workpieces before cutting.
Select an appropriate oscillation-speed setting for the material.
Start the machine before applying cutting pressure to the workpiece.
For plunge cuts, introduce the blade gradually and keep it aligned with the intended cut.
Use light, controlled feed pressure and allow the blade teeth to remove the material.
Avoid twisting or levering the blade sideways while it is inside the cut.
Complete the cut and allow the blade to stop fully before putting the machine down.
Remove the battery before inspecting, cleaning or replacing the blade.

Safety

Remove the battery from the OSC 18 before installing, removing or inspecting the saw blade.
Wear suitable eye and hearing protection while operating an oscillating multitool.
Use suitable respiratory protection and dust control when cutting wood, composites, GRP, plasterboard or other dust-producing materials.
Before plunge cutting into walls, panels or fitted structures, check for hidden electrical cables, plumbing and other services.
Although the blade is robust against nails in wood, assess concealed fasteners carefully and use the correct accessory for particularly demanding metal-cutting work.
Make sure the Starlock Max blade is fully and correctly locked onto the machine before use.
Do not use a blade that is cracked, severely bent or has badly damaged teeth.
Secure loose workpieces before cutting.
Keep hands and fingers away from the blade and intended cutting path.
Avoid excessive feed pressure and do not lever or twist the blade sideways in the cut.
Use particular care with the extra-long blade because greater projection can increase leverage if the blade is forced sideways.
Wear suitable protection against sharp swarf when cutting non-ferrous metals.
Allow the accessory to stop completely before setting the machine down.
The blade may become very hot during cutting. Allow it to cool before handling.
Follow the Festool VECTURO OSC 18 operating and safety instructions before use.

Specifications

Description	Spec
Brand	Festool
Cat No.	FES203336
Festool Order No.	203336
Product Type	Universal Multitool Saw Blade
Model	USB 78/42/Bi/OSC/5
Blade Material	High-Grade Bimetal
Toothing	Universal
Performance Class	Starlock Max
Blade Length	78 mm
Blade Width	42 mm
Blade Shape	Offset
Compatible Machine	Festool VECTURO OSC 18
Primary Cutting Style	Universal and Plunge Cutting
Suitable Materials	Wood, Coated Wood, Painted Wood, Wood Containing Nails, Composite Materials, GRP, Plasterboard, Non-Ferrous Metals and Plastics
EAN / Barcode	4014549307281
Quantity	5 Pieces

Scope of Delivery:

5 x Festool USB 78/42/Bi/OSC universal bimetal saw blades

Tags: Festool , USB 78/42/Bi/OSC/5 , FES203336 , Universal Saw Blade , Bimetal , VECTURO , OSC 18 , Starlock Max , 78mm Blade , 42mm Blade , Plunge Cutting , Wood Cutting , Wood With Nails , Coated Wood , Painted Wood , Composite Materials , GRP , Plasterboard , Non-Ferrous Metal , Plastic , Multitool Blade , Oscillating Saw Blade , 5 Pack