Transforming Your String Trimmer: From Plastic Line to Metal Blade

Welcome to our comprehensive guide on upgrading your string trimmer from the standard plastic line bump head to a more robust metal blade. In this exploration, we'll dissect the process of replacing the trimmer head, delve into the different metal blade options available, and assess their performance across various types of foliage. Whether you're a professional landscaper or a home gardening enthusiast, understanding how to enhance your string trimming equipment is essential for efficient yard maintenance.

Introduction to Metal Blades for String Trimmers

String trimmers are incredibly versatile tools in landscape maintenance, commonly used to manage grass and weed overgrowth. Traditionally equipped with a line that can wear down or break, many users switch to metal blades for increased durability and cutting capability. Manufacturers like Stihl offer a number of metal blade options designed to tackle different landscaping challenges from dense grass to thick brush and even small wood.

Switching from Plastic Line Bump Head to Metal Blade

Removal of the Line Head

The transition begins with the removal of the plastic line bump head. To achieve this, insert a tool or screwdriver into the specified hole on the head to lock it in place, then unscrew it using a left-hand thread motion—contrary to the common 'righty tighty' approach. This exposes the stud where the metal blade will be mounted.

Installing the Metal Blade

Installation of the metal blade involves several key components:

• Positioning the Blade: Ensure the blade is oriented correctly. Most blades will have a directional arrow indicating the proper mounting direction.
• Securing Components: Place the splined washer onto the stud, ensuring it seats properly. Follow this with the protective donut and the nut, again using a left-hand thread to secure the assembly.
• Safety Check: Before finalizing, it's crucial to make sure the blade is mounted straight to prevent any imbalance or excessive vibration during operation.

Testing Different Metal Blades

Equipped with a new metal blade, we proceed to test different blades at a dedicated field site, evaluating their performance in cutting various types of vegetation.

Blade Performance in Grass and Brush

1. Grass Blades:

   • First Blade: Offers clean cuts in grass but does not significantly speed up the process compared to string. It's efficient for long-lasting use without the need for frequent maintenance.
   • Second Grass Blade: This blade allows for faster, smoother cuts with less drag, maintaining motor speed and enabling quicker sweeping motions.

2. Brush Blades:

   • Popular Brush Blade: Known for its satisfactory slicing action and its ability to handle moderately thick brush. It’s well-regarded for both its efficiency and its higher price point.

Wood Cutting Blades

1. Standard Wood Blade:

   • Designed like a mini chainsaw, this blade excels in cutting through small trees and thick wood, performing significantly better than blades designed for lighter foliage.

2. Scratcher Blade:

   • This blade is intended for dense, hard woods but tends to be slower and less efficient in cutting, often causing burn marks on the wood due to friction and drag.

Conclusion: Selecting the Right Blade

In conclusion, the choice of blade largely depends on the specific needs of your landscape maintenance tasks. For general grass and brush cutting, the brush blade provides a versatile and effective solution. However, for handling tough wood cutting tasks, the standard wood blade is superior, cutting through dense material with ease akin to a chainsaw. It is advisable to invest in a powerful motor that can handle these tougher blades to maximize efficiency and effectiveness in your yard maintenance endeavors.

Thank you for taking the time to explore the possibilities of upgrading your string trimmer. With the right tools and techniques, you can significantly enhance your landscaping productivity and results.

Products Discussed In The Video (in order of appearance)

• Stihl FS 131 R Gas Powered String Trimmer
• https://www.mainstreetmower.com/products/stihl-fs-131-r-gas-powered-string-trimmer
• Grasscut Blade - 4001 713 3801
• Steel blade with 8 teeth. For mowing thick dry grass and reeds.
• https://www.mainstreetmower.com/products/stihl-grass-cutting-blade-4t-8t
• Grasscut Blade – 4001 713 3803 
• Reversible steel quadruple blade. For working on large areas of tough grass.
• https://www.mainstreetmower.com/products/stihl-grass-cutting-blade-4t-8t
• Brushcut Knife Blade – 4112 713 4100 
• Steel triple blade. For trimming and removing tough, tangled grass, scrub, and thorny bushes.
• https://www.mainstreetmower.com/products/stihl-brush-knife-250mm-x-25-4mm-4112-713-4100
• Woodcut Blade - Chisel Tooth - 4112 713 4203
• Special steel tool for midrange brush-cutters and upwards. For gnarled bushes
• https://www.mainstreetmower.com/products/stihl-woodcut-saw-blade-chisel-tooth-200mm-x-25-4mm-4112-713-4203
• Woodcut 200-80 -Scratcher Blade – 4112 713 4201
• Special steel tool for midrange brush-cutters and upwards. For gnarled bushes and thin tree trunks.
• https://www.mainstreetmower.com/products/stihl-woodcut-saw-blade-scratcher-tooth-200mm-x-25-4mm-4112-713-4201

 Shop All Stihl String Trimmers

• https://www.mainstreetmower.com/collections/stihl-string-trimmer

Shop All Stihl String Trimmer Accessories

• https://www.mainstreetmower.com/collections/string-trimmer-accessories

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