STIHL 4112 713 4100 Brush Knife Steel Blade | 250 mm

STIHL 4112 713 4100 Brush Knife Steel Blade - 250 mm 3-Blade Cutting Attachment

The STIHL 4112 713 4100 Brush Knife Steel Blade is a genuine STIHL 3-blade steel cutting attachment designed for tough brushcutting, forest maintenance, field clearing, and landscape cleanup. This brush knife is built for cutting through thick grass, reeds, scrub, wild growth, thickets, and thorny bushes where standard trimmer line may not be enough.

This tri-bladed steel brush knife is made for demanding cutting conditions and resistant foliage. Its one-piece steel design has no moving parts to lose and provides strong cutting performance for overgrown areas, tangled vegetation, and heavy grass.

For professional use, this steel blade should be used only with an approved STIHL brushcutter setup equipped with the correct handle configuration, double shoulder harness, blade guard or limit stop, mounting hardware, and operator protection. Always verify your STIHL operator manual before installation.

Important size note: Some supplied references may list different outside diameters. Before publishing or ordering, verify the blade packaging, STIHL parts diagram, and physical blade specifications for part number 4112 713 4100.

Product Details

Key Features

• Genuine STIHL brush knife steel blade
• Part number 4112 713 4100
• 3-blade steel cutting attachment
• Designed for thick grass, reeds, scrub, thickets, and thorny bushes
• One-piece steel construction with no moving parts to lose
• Durable design built for demanding cutting applications
• Reversible blade design helps extend usable service life
• Made for approved STIHL brushcutter and clearing saw applications
• Recommended for forest, field, property, and landscape maintenance where approved

Compatible STIHL Models

STIHL 4112 713 4100 is commonly referenced for select STIHL FS gas trimmers and brushcutters, FSA battery trimmers and clearing saws, and KombiSystem FS-KM setups where approved. Fitment and safe use depend on the exact machine, handle setup, guard or limit stop, harness, blade hardware, and operator manual approval.

Important: Model fitment alone does not guarantee safe blade use. Steel brush knives require the correct approved cutting attachment setup, guard or limit stop, handle configuration, shoulder harness, mounting hardware, and operator protection. Always follow the STIHL operator manual for your exact machine.

Built for Brush, Scrub, and Heavy Vegetation

This STIHL brush knife is designed for cutting through wild growth, heavy grass, reeds, light scrub, tangled vegetation, and thickets. The steel triple-blade design gives it the durability needed for demanding clearing work where nylon trimmer line may wear quickly or fail to cut effectively.

The blade is a strong choice for professional brushcutting, property cleanup, ditch clearing, field maintenance, landscape maintenance, and other approved heavy vegetation cutting applications.

Professional Use Recommendation

For professional applications, this steel brush knife should be used with a compatible brushcutter equipped with bike handles, a double shoulder harness, and a limit stop or approved blade guard. This setup helps improve control, balance, and operator safety when using metal cutting attachments.

For loop-handle or R-version trimmers, verify that your machine is approved for this blade and that you have the proper blade installation kit, mounting hardware, limit stop, and guard setup before use.

Common Uses

• Brush clearing
• Thick dry grass cutting
• Reed cutting
• Scrub removal
• Thorny bush trimming
• Heavy weed cutting
• Fence line cleanup
• Field and property maintenance
• Roadside and ditch maintenance
• Forest and landscape maintenance

Reversible, Durable Steel Blade

The reversible 3-blade design allows the blade to be flipped when one side becomes worn, helping extend usable service life and reduce downtime during larger cleanup jobs. With no moving parts to lose and durable steel construction, this brush knife is built for long-lasting use in tough cutting environments.

Safety and Fitment Checklist

Before ordering or installing STIHL 4112 713 4100, confirm:

• Your STIHL model is approved for a brush knife steel blade
• Your machine supports the required blade diameter
• Your machine supports the required connector size
• Your equipment uses the correct blade mounting hardware
• Your deflector, blade guard, or limit stop is correct for metal blades
• Your handle configuration is approved for blade use
• Your harness setup is approved for brush knife operation
• Your operator manual approves this cutting attachment
• You are using proper personal protective equipment

If you are unsure, contact P&P Small Engines with your STIHL model and cutting attachment setup before ordering.

Part Number / Search Terms

STIHL 4112 713 4100 may also be searched as:

• STIHL 4112 713 4100
• 41127134100
• STIHL brush knife
• STIHL brush knife blade
• STIHL 250 mm brush knife
• STIHL 3 blade brush knife
• STIHL 3-blade steel blade
• STIHL steel brush blade
• STIHL brushcutter blade
• STIHL metal cutting blade
• STIHL blade for thick grass
• STIHL blade for scrub
• STIHL blade for reeds
• STIHL blade for thorny bushes
• STIHL FS 91 brush knife
• STIHL FS 111 brush knife
• STIHL FS 131 brush knife
• STIHL FS 240 brush knife
• STIHL FS 251 brush knife
• STIHL FSA brush knife

Frequently Asked Questions

What is STIHL 4112 713 4100?

STIHL 4112 713 4100 is a genuine STIHL brush knife steel blade cutting attachment for approved STIHL brushcutters and clearing applications.

What is this blade used for?

This brush knife is designed for cutting thick grass, reeds, scrub, wild growth, thickets, and thorny bushes in demanding clearing and maintenance applications.

Is this blade reversible?

Yes. The reversible 3-blade design allows longer usable service life when maintained and used correctly.

Can this be used on any trimmer?

No. This steel blade should only be used on approved STIHL models with the correct guard or limit stop, handle setup, harness, blade hardware, and operator manual approval.

What STIHL models does this brush knife fit?

It is commonly referenced for select STIHL FS, FSA, KM, and KMA models, including FS 90, FS 91, FS 110, FS 111, FS 130, FS 131, FS 240, FS 251, and other approved setups. Always verify your exact machine before ordering.

Do I need special hardware to install this blade?

Many metal blade installations require the correct mounting hardware, guard or limit stop, and approved handle and harness setup. Check your STIHL operator manual before installing.

P&P Small Engines stocks STIHL brush knives, steel blades, trimmer heads, trimmer line, cutting attachments, harnesses, replacement parts, filters, spark plugs, fuel system parts, chains, guide bars, and outdoor power equipment supplies to help keep your equipment ready to work.