This page showcases the OTC DAIHEN H839G03 nozzle, a genuine spare part used in the D12000 plasma cutting machine torch. This nozzle focuses the plasma arc for precise cutting and is a critical consumable for maintaining cut quality. Below you will find photos, specifications, and ordering information.




The H839G03 is a genuine OTC DAIHEN nozzle designed for the D12000 plasma cutting torch. It constricts and focuses the plasma arc, enabling clean, precise cuts. This nozzle is a consumable item that should be replaced periodically to maintain optimal cutting performance. Manufactured to exact OEM specifications, it ensures consistent arc characteristics and long service life.
Part Number: H839G03
Description: Nozzle for plasma cutting torch
Application: OTC DAIHEN D12000 plasma cutting torch
Material: High‑temperature copper alloy
Origin: Japan – genuine OTC DAIHEN production
Using authentic OTC DAIHEN H839G03 nozzles ensures proper arc constriction, correct gas flow, and long‑term durability. Non‑OEM nozzles may cause poor cut quality, rapid wear, or torch damage. As an authorized OTC DAIHEN distributor, we supply only 100% original, factory‑sealed parts.
We offer a full range of OTC DAIHEN equipment, original spare parts, and consumables. Contact us for nozzles, electrodes, swirl rings, and more.
For pricing, stock availability, or technical inquiries regarding the OTC DAIHEN H839G03 nozzle, please contact us.
Phone / WhatsApp: +86-180-9663-1656
Email: ahojotc@gmail.com (preferred for detailed inquiries)
You are also welcome to connect on WhatsApp for technical discussions and knowledge sharing about OTC DAIHEN welding machines, cutting systems, and robotic equipment.
* For fastest response, please email ahojotc@gmail.com directly. Thank you.
Company: COMPANY:Authorized Distributor of OTC Daihen
Contact person: Contact:Mr.Fang
Mobile phone: Phone:+86-18096631656
Email address: Email:15305667776@163.com
Address: Add:Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China