---
product_id: 325423633
title: "NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree"
brand: "nt cutter"
price: "$42"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/325423633-nt-cutter-18mm-heavy-duty-ultra-sharp-black-snap-off
store_origin: NZ
region: New Zealand
---

# Heavy-duty carbon steel Ultra-sharp 58° edge Rust-resistant bluing process NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree

**Brand:** nt cutter
**Price:** $42
**Availability:** ✅ In Stock

## Summary

> 🗡️ Cut above the rest—sharpness that means business.

## Quick Answers

- **What is this?** NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree by nt cutter
- **How much does it cost?** $42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/325423633-nt-cutter-18mm-heavy-duty-ultra-sharp-black-snap-off)

## Best For

- nt cutter enthusiasts

## Why This Product

- Trusted nt cutter brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Heavy-duty carbon steel construction designed for demanding industrial and DIY projects.
- • **Rust-Resistant Finish:** Unique bluing oxide coating protects blades from corrosion, ensuring long-lasting performance.
- • **Precision Cutting Power:** Ultra-sharp 58° blade slices through tough materials with surgical accuracy.
- • **Versatile Material Compatibility:** Effortlessly cuts cardboard, leather, linoleum, foam board, and more—your all-in-one cutting solution.
- • **Professional Quality, Made in Japan:** Crafted with meticulous precision for managers who demand reliability and excellence.

## Overview

NT Cutter’s 18mm heavy-duty snap-off blades feature ultra-sharp 58° edges made from high-quality carbon steel with a rust-resistant bluing finish. Designed for professional-grade precision, these Japanese-made blades excel at cutting a wide range of materials from cardboard to linoleum, making them indispensable for industrial, construction, and creative projects.

## Description

NT professional quality snap-off black blades with ultra-sharpness for heavy-duty utility knives. These ultra sharp specialty blades are made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. The process includes a unique “Bluing process” which adds an oxide coating on the blade and gives it a blue-black appearance and protects it from rusting. Through these special procedures, NT created the flawless, rust-resistant professional blades that can effortlessly cut materials without tearing or dragging. Recommended for professional use, due to its fine delicate edge. Made in Japan.

## Features

- Heavy duty snap-off blades / Ultra sharp black blades
- 58 degree, 18mm W x 100mm L x 0. 50mm T / High quality carbon steel blades
- Cutting material: Cardboard, rubber, leather, corkboard, acetates, linoleum, carpet, thin veneer, foam board, etc.
- Good for DIY projects, construction such as drywall, roofing, flooring, Industrial application, warehouses, factories, etc.
- 10ea/pack in hanging plastic container / Made in Japan (TAA designated)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NT Incorporated |
| Brand | NT Cutter |
| Model number | BL13P |
| Product Dimensions | 13.72 x 2.54 x 1.27 cm; 80 g |
| Color | Black |
| Material Type | Alloy Steel |
| Number of Items | 1 |
| Size | 58 degree |
| Manufacturer Part Number | BL13P |
| Item Weight | 80 g |

## Product Details

- **Material:** Alloy Steel
- **Brand:** NT Cutter
- **Colour:** Black
- **Item length:** 3.94 Inches
- **Handle material:** Plastic, Rubber

## Images

![NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree - Image 1](https://m.media-amazon.com/images/I/41-uZRYQ+2L.jpg)
![NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree - Image 2](https://m.media-amazon.com/images/I/61oPZoRUxwL.jpg)
![NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree - Image 3](https://m.media-amazon.com/images/I/51XkFyp76fL.jpg)
![NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree - Image 4](https://m.media-amazon.com/images/I/61TB2QgLznL.jpg)
![NT Cutter 18mm Heavy-duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P), 58 degree - Image 5](https://m.media-amazon.com/images/I/61xrVVKY-LL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- NT BL13P Cutter Replacement Blades, Large, L-Shaped, Ultra Sharp Black Replacement Blade, Pack of 10
- NT Cutter BA15P NT Cutter, For Small A-Shaped, 30 Degree Black Replacement Blades, Pack of 10

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**Shop now:** [https://www.desertcart.nz/products/325423633-nt-cutter-18mm-heavy-duty-ultra-sharp-black-snap-off](https://www.desertcart.nz/products/325423633-nt-cutter-18mm-heavy-duty-ultra-sharp-black-snap-off)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-05*