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YATO YT-75121 18 mm Snap-Off Utility Knife with Zinc Alloy Body, SK5 Blade and Auto Lock

Product code: YT-75121

Available quantity 84

Parameter

Specification

Manufacturer

YATO

Product code

YT-75121

Series

GRD

Product type

Retractable snap-off utility knife

Blade width

18 mm

Blade thickness

0.5 mm

Blade dimensions

18 × 0.5 mm

Blade material

SK5 steel

Blade design

Segmented, snap-off

Housing material

Zinc alloy

Handle materials

ABS plastic, TPR coating

Blade guide

Metal

Blade locking system

Automatic („Auto Lock“)

Declared maximum blade pull force

20 kg (manufacturer's technical specifications)

Package contents

Knife with SK5 steel snap-off blade

Applications

Cutting cardboard, packaging film, paper and other suitable materials

€280 inc VAT
€231 excl VAT
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Manufacturer: YATO

Durable Snap-Off Utility Knife with Metal Housing and Automatic Blade Locking

The YATO YT-75121 snap-off utility knife is an 18 mm cutting tool designed for demanding packaging, warehousing, maintenance and everyday applications. Its key features include a durable zinc alloy housing, an automatic Auto Lock blade locking system and an ergonomic non-slip handle.

Unlike conventional plastic utility knives, this model features a zinc alloy body, providing increased structural strength and resistance to mechanical damage. This makes it a practical choice for workplaces where cutting tools are used regularly.

The ergonomic handle combines ABS plastic elements with a non-slip TPR coating, providing a secure grip and comfortable handling. The metal blade guide supports smooth movement and stable blade positioning.

The integrated Auto Lock system automatically secures the extended blade, helping reduce the risk of unintended movement. This is particularly useful when cutting thicker materials or working in narrow spaces where the blade may become stuck.

The knife uses an 18 × 0.5 mm SK5 steel snap-off blade, offering good cutting performance and wear resistance. The segmented construction allows a worn cutting section to be removed, exposing a fresh edge without replacing the entire blade.

The YATO YT-75121 is suitable for opening cardboard boxes and cutting packaging film, adhesive tape, paper and other appropriate materials.

Advantages & Additional Information

  • Zinc alloy housing – durable construction with resistance to mechanical damage.

  • Auto Lock system – automatically secures the blade in the selected position.

  • 18 mm blade width – versatile for packaging and maintenance tasks.

  • SK5 steel blade – sharp and efficient cutting performance.

  • Metal blade guide – smooth and stable blade movement.

  • Ergonomic handle – comfortable tool control.

  • ABS and TPR grip – secure handling and reduced slipping.

  • Snap-off blade segments – allow the cutting edge to be renewed.

  • Mechanical durability – suitable for regular use.

  • Versatile applications – warehousing, packaging, maintenance and household tasks.

Zinc Alloy Housing for Increased Durability

One of the main advantages of the YATO YT-75121 is its zinc alloy housing.

The metal construction provides greater resistance to mechanical damage than a conventional plastic body, making the knife suitable for environments where cutting tools are used frequently.

The zinc alloy housing supports structural stability and reliable operation during a variety of cutting tasks.

Auto Lock – Automatic Blade Locking System

The YATO YT-75121 features an automatic Auto Lock mechanism that secures the blade in the selected working position.

This mechanism helps reduce the risk of accidental blade extension or retraction.

Automatic locking is particularly useful when cutting thicker materials or working in narrow spaces where the blade may become stuck.

The manufacturer's technical specification table lists a maximum blade pull force of 20 kg, while the product description states a locking resistance of 20 N. These values are inconsistent and should be verified before publication as a confirmed technical limit.

SK5 Steel Snap-Off Blade

The knife uses an 18 mm wide, 0.5 mm thick SK5 steel blade.

SK5 steel offers good cutting performance and wear resistance, making it suitable for cutting cardboard, paper, packaging film and other appropriate materials.

The segmented blade design allows a worn section to be safely removed, exposing a fresh, sharp cutting edge.

This helps maximise blade usage and reduces the frequency of complete blade replacement.

Ergonomic ABS and TPR Handle

The YATO YT-75121 handle features ABS plastic elements and a non-slip TPR coating.

This material combination provides comfortable handling and improved control during cutting.

The TPR coating helps reduce slipping, while the ergonomic shape is designed for convenient everyday use.

Metal Blade Guide

The knife features an integrated metal blade guide for smooth blade extension and retraction.

Combined with the Auto Lock mechanism, it helps maintain stable blade positioning during cutting operations.

Compatible with 18 mm Snap-Off Blades

The YATO YT-75121 is designed for 18 × 0.5 mm snap-off blades.

Replacement blades must match the required format and be compatible with the knife construction.

Applications & Usage

The YATO YT-75121 utility knife is suitable for:

  • Opening cardboard boxes and cutting cardboard.

  • Cutting packaging film and adhesive tape.

  • Cutting paper and other suitable sheet materials.

  • Warehouse and logistics operations.

  • E-commerce order packaging.

  • Maintenance, renovation and household tasks.

When opening cardboard boxes, extend only the necessary blade length to reduce the risk of damaging the contents.

Safe Handling

A snap-off utility knife is a sharp cutting tool and must be handled carefully.

Use appropriate protective gloves and safety glasses where required. Do not overload the tool, use damaged blades or leave the knife within children's reach.

Package Contents

  • 1 × YATO YT-75121 snap-off utility knife, 18 mm

  • 1 × SK5 steel snap-off blade

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