Home > Products > Cutter Blades>18mm Blades> L203 18mm snap off blades

L203 18mm snap off blades

1.Superior Versatility & Compatibility
This 18mm replacement cutter blade for both precision utility knife blades and heavy-duty box cutter blades. Fits most production knives for cutting packaging or construction materials.
2.Professional Durability & Edge Retention
Made from high-carbon stainless steel. Features & Benefits Provides clean reliable cuts with the strength to handle most of your light duty jobs whether you re a professional or a DIY mechanic.

Chat Now Email Message

Product Specification

SINSEUNG L203 18mm Wide SK2 Alloy Utility Cutter Blades

Product Overview

L203 large snap-off blades are built for heavy-duty industrial and construction cutting. Crafted from premium SK2 alloy steel with double high-temperature quenching, these 0.5mm thick wide blades deliver extreme hardness, sharpness and wear resistance, far stronger than standard small blades. Compatible with 18mm auto-lock heavy-duty utility knives for stable heavy material cutting.

Core Advantages

Heavy-Duty SK2 Alloy Steel

Dual quenching heat treatment greatly boosts blade strength and durability. Triple-edge grinding delivers ultra-sharp cuts. Deep V segmented notches allow clean snapping; the blade tip stays sharp after breaking dull sections, anti-rust for long workshop use.
Safe Auto-Lock Heavy-Duty Cutter Handle

High-strength drop-resistant ABS casing with anti-slip texture. Sliding self-locking button freely extends/locks blade length to prevent accidental cuts, ideal for long-time renovation work.
60° Wide 18mm Large Blade

18mm wide & 0.5mm thick thickened blade provides solid rigidity, less bending when cutting thick hard materials. 60° wide tip ensures steady straight cuts without slipping.

Key Specifications

Model: L203
Material: SK2 alloy steel
Tip Angle: 60°
Dimensions: 100mm(L) × 18mm(W) × 0.5mm(Thickness)
Pack: 10 blades per PP case
Compatible: 18mm large auto-lock utility knife

Wide Application Scenarios

Perfect for cardboard, drywall, leather, fabric, acrylic, thin aluminum sheet, sponge, foam and tarp cutting, widely used in construction, packaging, leather processing and handicraft industries.

Why Choose L203 Heavy-Duty Blades

Thickened 0.5mm wide blade resists bending for thick materials
Double quenched SK2 steel with superior hardness & anti-rust property
Triple-edge grinding for effortless clean cutting
Segmented snap-off design extends total service life
Fits 18mm heavy-duty cutter for renovation & industrial tasks

Specification

L203
Material	SK2 High Carbon Steel
Width	18mm
Angle	60 degrees
Thickness	0.5mm
Length	109mm

Model	Angle	Thickness (mm)	Width (mm)	Length (mm)	QTY/ Tube	QTY/ Inner Box	QTY/ Carton	Specs / Carton	Weight/ Carton	Carton Size (CM)	VOL (CBM)
L203	60°	0.5	18	100	10PCS	100PCS	3600PCS	101036	27.9KG	34.428.819	0.01882368

Applications

Paper	Films	Woven Bag
Plastic Sheeting	Wallpaper	Leather
Cardboard	Wallcovering	Thin iron sheeting
Carpet	Rope	And more

Feature

This replacement cutter blade is 18mm delivers ultimate superiority for all cutting applications. It is a versatile utility knife blade that fits most handles allowing precision work to be done easily and can also be used as an efficient box cutter blade- slicing boxes and packaging smoothly. Made from high-carbon steel it will retain exceptional sharpness over extended periods of usage providing clean cuts as well as strength that can be relied on whether used professionally or by a DIY enthusiast.