01HAND TOOLS
Precision carbon steel thread trimming
A compact, heavy-handed tool designed for the workshop bench, this hex die brings order to raw metal edges. Its blackened carbon steel surface signals durability, ready for the rigours of daily machining tasks.
This trimmer shapes external threads on pipe stock using a standard US NPT pattern. It suits engineers, machinists and fabricators who require consistent, crisp finishes without excessive effort.
02MATERIALS
Hardened carbon steel construction
The body is forged from carbon steel, then subjected to heat treatment to achieve a hardness range of HRC 56-62. This process balances toughness with abrasion resistance, ensuring the cutting edges remain sharp through repeated use. The material also offers inherent corrosion resistance, maintaining its integrity in humid workshop environments.
04FUNCTION
Efficient chip management system
Multiple slots are cut into the die face to facilitate smooth chip removal. As the tool cuts, metal shavings are ejected rather than accumulating between the teeth. This prevents clogging, which can cause burrs or inconsistent pitch, allowing for a continuous, efficient workflow during batch production.
SPECIFICATION
Standard NPT thread profile
This specific model is sized 1/2-14NP, featuring a tapered pipe thread with 60-degree teeth. It adheres to the US NPT standard, producing a crisp, flat finish suitable for most general threading jobs. The precision machining ensures each pass creates a uniform, strong thread engagement.
AT A GLANCE
The key points
- Carbon steel body heat-treated to HRC 56-62 hardness
- Hexagonal profile fits standard wrenches and holders
- 1/2-14NP size with 60-degree tapered NPT teeth
- Chip removal slots prevent clogging during work
About this product
Feature: [Standard NPT Thread] The thread hex die is strictly adopted US pipe thread – NPT tapered pipe with 60° teeth, which is exquisitely machined for a crisp, flat thread that is strong enough for most thread trimming jobs. [Hexagonal Design] NPT pipe threaded carbon steel trimmer has a hexagonal shape that fits most wrenches and machine tools for a wide range of applications. Multiple chip removal slots allow for smooth removal of metal chips to prevent clogging and efficiently complete the work. [Optional] Thread die has 4 models to choose from, which are 1/4-18NPT, 3/8-18NPT, 1/2-14NP or 3/4-14NPT, different choices can meet different needs. [Premium Material] NPT pipe thread hex die is mainly made of carbon steel, processed by heat treatment, HRC hardness is about 56-62, good hardness makes it has good toughness, high tempering stability, high abrasion resistance; Selected metals are corrosion resistant, rust resistant and durable. [Wide Application] NPT pipe threaded carbon steel trimmer can be used with wrenches, machine tool holders, which is widely used in industry, metal processing industry, hardware parts manufacturing plants and more for machining or correcting external threads. Specification: Name: NPT Pipe Threaded Carbon Steel Hex Die Trimmer Material:Carbon Steel Model: 1/4-18NPT, 3/8-18NPT, 1/2-14NP or 3/4-14NPT For More Size Information: Please Refer To The Picture Package Included: 1 * NPT Pipe Threaded Carbon Steel Hex Die Trimmer
[Standard NPT Thread] The thread hex die is strictly adopted US pipe thread – NPT tapered pipe with 60° teeth, which is exquisitely machined for a crisp, flat thread that is strong enough for most thread trimming jobs. [Hexagonal Design] NPT pipe threaded carbon steel trimmer has a hexagonal shape that fits most wrenches and machine tools for a wide range of applications. Multiple chip removal slots allow for smooth removal of metal chips to prevent clogging and efficiently complete the work. [Optional] Thread die has 4 models to choose from, which are 1/4-18NPT, 3/8-18NPT, 1/2-14NP or 3/4-14NPT, different choices can meet different needs. [Premium Material] NPT pipe thread hex die is mainly made of carbon steel, processed by heat treatment, HRC hardness is about 56-62, good hardness makes it has good toughness, high tempering stability, high abrasion resistance; Selected metals are corrosion resistant, rust resistant and durable. [Wide Application] NPT pipe threaded carbon steel trimmer can be used with wrenches, machine tool holders, which is widely used in industry, metal processing industry, hardware parts manufacturing plants and more for machining or correcting external threads.
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