Welding machine

H21B21 Ceramic Nozzl Genuine Spare Part for OTC DAIHEN

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OTC DAIHEN H21B21 Ceramic Nozzle – Genuine for AW-18 / AWX-2081 TIG Torches

This page showcases the OTC DAIHEN H21B21 ceramic nozzle, a genuine spare part used on AW-18, AWX-2081, and other OTC argon arc (TIG) welding torches. Made of high‑quality ceramic and imported from Japan, this nozzle provides excellent heat resistance and gas coverage for precision TIG welding. Below you will find photos, specifications, and ordering information.

OTC DAIHEN H21B21 genuine ceramic nozzle for AW-18 TIG torch

Product Overview

The H21B21 is a genuine OTC DAIHEN ceramic nozzle designed for TIG welding torches such as the AW‑18 and AWX‑2081. It features an inner diameter of 9.5mm and is marked with "DAIHEN NO.6". Manufactured in Japan (not produced in China), this nozzle ensures consistent gas flow and superior arc stability, contributing to beautiful weld bead appearance.

OTC DAIHEN H21B21 ceramic nozzle side view

Specifications

Part Number: H21B21
Description: Ceramic nozzle for TIG torch
Inner Diameter: 9.5 mm
Applicable Torches: OTC DAIHEN AW‑18, AWX‑2081, and compatible models
Marking: DAIHEN NO.6
Packaging: 5 pieces per box
Origin: Japan – genuine OTC DAIHEN production

OTC DAIHEN H21B21 ceramic nozzle box of 5 pieces

Why Choose Genuine OTC DAIHEN Nozzles?

Using authentic OTC DAIHEN H21B21 ceramic nozzles ensures precise fit, optimal gas shielding, and excellent durability. The high‑quality ceramic resists thermal shock and spatter, providing long life and consistent weld quality. Non‑OEM nozzles may cause turbulent gas flow or premature cracking. As an authorized OTC DAIHEN distributor, we supply only 100% original, factory‑sealed parts.