Author: Site Editor Publish Time: 2026-05-12 Origin: Site
In garden maintenance and greening pruning, pruning shears are among the most frequently used hand tools due to their simple structure, high cutting efficiency, and wide applicability. However, even among pruning shears, different users' usage habits can lead to significant differences in their lifespan. Some tools can last for years in the hands of professional gardeners, while without proper use and maintenance, the blades, springs, shafts, and even handles of pruning shears can be damaged in a short time.
Many users believe that pruning shears are tools that "just cut," thus often neglecting the tool's structure and stress design, resulting in a significantly shortened lifespan.
The blade angle and lever structure of pruning shears are designed for branches of a specific diameter. For example:
General gardening pruning shears are suitable for new shoots or tender branches of 10–20 mm.
High-strength steel pruning shears are suitable for woody branches of 20–30 mm.
Hard or knotty branches are much more difficult to cut than their nominal diameter.
When users attempt to cut branches exceeding the pruning shears' capacity, the following may occur:
Blade chipping or nicking
Increased gap between the blade and the reverse edge, resulting in uneven cutting
Deformation of the pivot screw, causing difficulty in opening and closing
Spring breakage due to excessive pressure
Especially since some gardening enthusiasts habitually use pruning shears on thick branches, this practice easily damages the pruning shears prematurely. Professional Rayka pruning shear suppliers recommend: Different cutting tools should be used for branches of different diameters; for example, thick branches can be cut with large shears, long-handled shears, or a chainsaw.
The cutting principle of pruning shears is a smooth cut achieved through a "sliding cut" between two blades. Therefore, during operation, it is necessary to:
Keep the force direction of the handle consistent with the blade direction
Avoid swaying left and right or twisting the branch
Incorrect force application may cause:
Blade misalignment
Uneven friction between blades leading to metal fatigue
Loosening rivets, causing the pruning shears to become either too tight or too loose.
When pruning branches, pruning shears come into contact with sap, resin, and sap. If these residues are not removed promptly, they can cause:
Blade sticking, resulting in uneven opening and closing
Resin hardening causing changes in blade spacing
Corrosive sap damaging the metal surface
While these problems will not immediately destroy the tool, they will continuously increase wear and tear, ultimately shortening its lifespan.
Proper daily maintenance is crucial for the lifespan of pruning shears; many damages actually stem from a long-term lack of maintenance.
The metal parts of pruning shears are constantly exposed to air, moisture, and plant sap. Without lubrication, this can lead to:
Blade corrosion and premature rusting
Difficult opening and closing, resulting in a poor cutting feel
Accelerated metal fatigue, leading to tool breakage or loosening
In professional gardening, the lubrication frequency for shears is generally:
High-frequency users: Once a week
Home gardeners: Every two weeks or after each use
Rayka pruning shears supplier recommends using professional blade oil and avoiding easily rancid oils such as cooking oil.
Dull blades:
Require more force during cutting
Forceful operation can damage the blade and cause nicks
Prolonged high-pressure use can put excessive stress on the handle and screws
Meanwhile, a dull blade not only shortens the tool's lifespan but can also damage plants.
Plant branches are prone to the following problems when squeezed:
Tears
Increased healing difficulty
More susceptible to bacterial infection
Therefore, sharpening the blade is a crucial step in extending tool life.
The spring in pruning shears is a consumable item. Over time, it will experience:
Elastic fatigue
Deformation
Rust or breakage
Many gardeners only focus on the blade and neglect the spring's lifespan, leading to a decreased user experience and cutting efficiency.
The following are typical vulnerable parts of pruning shears and their recommended maintenance schedules:
Parts | Common Damage | Recommended Maintenance Schedule | Maintenance Method |
Blades | Notching, chipping, rust | Inspect after each use | Clean, sharpen, lubricate |
Pivot Screws | Loosening, misalignment | Monthly | Adjust tightness |
Springs | Fatigue, rust, breakage | Replace every 3–6 months | Keep dry, apply a small amount of oil |
Handle Rubber Coating | Aging, cracking | Annual assessment | Avoid direct sunlight and rain |
Even with proper use and maintenance, improper storage can still damage pruning shears in a short period.
The blades, springs, and screws of pruning shears are mostly made of metal. If placed in:
Outdoor exposed locations
Damp storage areas
Water-splashed areas
Metal is highly susceptible to rust and even pitting, resulting in:
Surface peeling
Improper blade opening and closing
Reduced strength leading to breakage
Many gardeners habitually pile tools together after outdoor work. This stacking causes:
Blade chipping and damage
Handle coating wear
Screws loosening due to impact
The correct approach is:
Store pruning shears in a tool bag
Place them in a dedicated storage box
Hang them on a dry wall-mounted tool rack
If pruning shears are stored in a car trunk, outdoors, or under a sunshade for extended periods, the following will occur:
The plastic handle will age and crack.
The blade's hardness will be affected by high temperatures.
The spring will deform due to heat.
Besides usage and maintenance issues, some details are easily overlooked.
Many users, when pruning quickly, will:
Frequently open and close the shears partially.
Grip them too tightly.
Incomplete closure will cause uneven blade wear.
The correct operation should be:
Open and close completely each time.
Avoid cutting bare branches.
Maintain a steady rhythm.
Some users use pruning shears for:
Cutting wire.
Pruning hard plastics.
Cutting rope.
Splitting bark.
These actions will cause irreversible damage to the blade. Pruning shears are gardening tools; their material hardness and structure are not universal. Incorrect use can easily cause the blade to chip or break completely.
After a period of use, pruning shears can develop gaps between the blades due to metal wear or loose screws. This will lead to:
Incomplete cutting
Noisy opening and closing
Increased wear between the blades
Professional gardeners regularly adjust the screws to ensure the blades are in the optimal meshing position.
Whether you are a landscaping contractor, a garden center purchasing agent, or a professional gardener, choosing a reliable pruning shears supplier and maintaining good usage habits can significantly extend the lifespan of your tools and improve work efficiency.
If you need to purchase or wholesale high-quality pruning shears, please contact Rayka, a professional pruning shears supplier. We offer a variety of pruning shears suitable for different work scenarios and support OEM/ODM customization. Please contact us for more information.
