Contact tip holder
nut
RTW5000S
Water-cooled welding gun accessories
This article introduces the OTC DAIHEN L10302C01, a critical spare part for robotic water‑cooled welding guns. As an original accessory imported from Japan, it ensures optimal performance and longevity for your OTC DAIHEN welding automation systems. Below you will find detailed photos, specifications, and ordering information.

The L10302C01, commonly referred to as the contact tip holder (nut), is designed specifically for the OTC DAIHEN RTW5000H water‑cooled robot welding gun. It serves as the connecting component that secures the contact tip in place, ensuring stable current transfer and precise wire guidance during high‑duty cycle welding.
Manufactured by OTC DAIHEN in Japan, this accessory meets strict quality standards. The robust construction resists heat and wear, making it ideal for continuous automated production environments.

Part Number: L10302C01
Description: Contact tip holder (nut) for water‑cooled welding gun
Applicable Gun Model: OTC DAIHEN RTW5000H, also compatible with RTW5000S series (verify with your gun manual)
Position: Front part of the welding gun assembly, holds the contact tip; rear part is the manifold hood
Material: High‑strength copper alloy, precision machined for exact fit
Origin: Japan – genuine OTC DAIHEN production

Using authentic OTC DAIHEN accessories like the L10302C01 guarantees consistent weld quality and reduces downtime. Non‑original parts may lead to poor conductivity, rapid wear, or even damage to the welding torch. Our company is an authorized OTC DAIHEN distributor, and all items sold are 100% original and factory‑sealed.
If you need a complete exploded view and order numbers for the OTC DAIHEN RTW5000H welding gun, please visit our detailed guide: OTC welding robot welding gun RTW5000H Exploded view and order number.
For pricing, stock availability, or technical inquiries regarding the OTC DAIHEN L10302C01 contact tip holder, please contact us. Our company supplies all types of OTC DAIHEN equipment, original spare parts, and consumables. We are an authorized OTC DAIHEN agent, guaranteeing 100% authentic products.
Phone / WhatsApp / WeChat: +86-180-9663-1656
Email: ahojotc@gmail.com (preferred for detailed inquiries)
You are also welcome to add me on WeChat for technical exchange and sharing experience about OTC DAIHEN welding machines and robots. We look forward to assisting you!
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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