HSS Three Knife Trimmer Blades | High-Speed Steel Book Trimmer Knives

 

 

 

 

 

In bookbinding and printing, the finishing trim defines the quality of the final product. Clean margins, sharp edges, and uniform dimensions come from reliable cutting tools. SHJ KNIFE's HSS Three Knife Trimmer Blades are engineered to deliver that precision day after day.

 

With over 25 years of specialization in OEM industrial blades, SHJ KNIFE understands the demands of printers, binderies, and publishers worldwide. Our high-speed steel book trimmer knives are designed to last longer, cut cleaner, and integrate seamlessly with leading machines such as Wohlenberg, Heidelberg, Kolbus, and Müller Martini.

 

 

 

Trimmer blade size	Front knife 21.259 X 3.543 X .472"
	Side knife 15.433 X 3.543 X .472"
Material	W18Cr4V/ YG material
Edge angle	23°~24°
Tolerance	Length: ±1mm, Width: ±1mm, Thickness: 0, -0.1mm
Application	Used in three knife trimmers for paper cutting
Options	Sharp edge/ Semi-finished edge

 

 

 

 

High Speed Steel (HSS) remains the most dependable choice for binderies and printing houses running continuous, high-volume operations.

 

• Durability for Long Runs: HSS maintains cutting performance through extended production, reducing the frequency of blade changes.
• Stable Performance: Resistant to deformation and heat, HSS blades deliver consistent cuts across shifts and workloads.
• Cost Efficiency: Balanced investment with longer lifespan, minimizing downtime and overall replacement costs.

 

For operators searching for durable three knife trimmer blades or long life replacement blades for bookbinding, HSS provides the reliability needed to keep schedules on track.

 

Our high-speed steel trimmer knives are manufactured to exacting standards. Every blade goes through:

 

• Material Selection: Premium HSS with superior hardness and wear resistance.
• Heat Treatment: Advanced processes that maximize toughness while maintaining sharpness.
• Precision Grinding: CNC-controlled grinding ensures uniform bevel angles and dimensional accuracy.
• Final Inspection: Each blade is tested for balance, flatness, and cutting consistency.

 

The result is a knife that withstands high-volume production while delivering precise cuts, batch after batch.

 

 

 

 

 

 

One of the first questions from customers is: "Will this blade fit my machine?" SHJ KNIFE addresses this directly. Our HSS trimmer knives are manufactured as true replacements for major bookbinding systems.

Each blade is crafted to OEM-level tolerances, guaranteeing seamless installation and smooth performance.

 

 

 

Not all binderies operate under the same conditions. That's why SHJ KNIFE offers custom HSS three knife trimmer blades based on your specifications.

 

• Custom Dimensions: Blade length, hole spacing, and bevel angles can be adjusted to fit special equipment.
• Surface Treatments: Anti-corrosion coatings, hardening, or DLC finishes available for demanding environments.
• Special Applications: Whether cutting coated paper, thick textbooks, or glossy catalogs, we adapt blades to your requirements.

 

This flexibility allows SHJ KNIFE to support both standard replacement needs and unique production challenges.

 

 

 

 

Every SHJ KNIFE blade is backed by strict quality control:

 

• Certified HSS materials sourced from reliable suppliers
• Dimensional inspections for precision and compatibility
• Cutting performance verified before shipment

 

We also provide downloadable catalogs and datasheets, so customers can confirm technical details before placing an order. For clients managing production lines where downtime means lost revenue, these assurances provide peace of mind.

 

 

 

When choosing a supplier for HSS three knife trimmer blades, it's not just about the blade-it's about trust. SHJ KNIFE delivers:

 

• OEM-level standards – Heat-treated, precision-ground, tested for accuracy
• Industry focus – Decades of specialization in the paper cutting and binding sector
• Custom solutions – From hole spacing to coatings, tailored to your needs
• Reliable delivery – Flexible MOQs, on-time shipments, and responsive service

 

This combination makes SHJ KNIFE more than a supplier-we are a partner committed to your success.

 

 

 

 

1. What are HSS three knife trimmer blades used for?

 

HSS three knife trimmer blades are mainly used in the bookbinding and printing industry to cut the top, bottom, and front edges of books, catalogs, and manuals. They ensure clean, precise trims that create a professional finish.

 

2. Why choose High Speed Steel (HSS) over other materials?

 

High Speed Steel offers excellent durability and wear resistance, making it ideal for long production runs. Compared to carbide blades, HSS is tougher, less brittle, and better suited for continuous cutting in large-scale printing operations.

 

3. Which machines are compatible with SHJ KNIFE HSS blades?

 

 

Our HSS trimmer blades are compatible with leading bookbinding machines, including:

• Wohlenberg
• Heidelberg
• Kolbus
• Müller Martini

We also provide custom solutions for other equipment-simply share your machine model or drawings.

 

 

4. How long do HSS three knife trimmer blades last?

 

Blade life depends on paper type, production volume, and machine setup. On average, HSS blades last longer than standard steel blades and can handle extended cutting cycles before requiring regrinding or replacement.

 

5. Can HSS blades be customized?

 

 

Yes. SHJ KNIFE offers OEM-level customization including:

• Blade length & hole spacing
• Bevel angles
• Surface treatments (anti-corrosion, DLC, hardening)

This ensures the blade matches your exact machine requirements.

 

 

6. How do HSS blades compare to TCT blades?

 

• HSS blades → Better for continuous, high-volume runs, cost-effective, long-lasting.
• TCT blades → Offer higher sharpness and cutting accuracy, often used for fine or coated papers.

The choice depends on whether you value endurance (HSS) or ultimate precision (TCT).

 

 

 

Your production deserves blades that last longer, cut cleaner, and perform without compromise. Contact SHJ KNIFE today for:

 

• A customized quotation
• Technical consultation
• Access to our detailed product catalog

 

Get in touch now and let SHJ KNIFE keep your cutting lines running at peak performance.

 

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