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This guide covers the OTC Daihen WT3510 series manual welding torches, currently supplied as WT3510‑SBD (short), WT3510‑MBD (medium) and WT3510‑LBD (long). (Previous models used the suffix –SCD, –MCD, –LCD.) The exploded view below shows all components with their part numbers. Use this list to identify replacement parts for your torch.
| No. | Symbol | Part Name | Model / Part Number | Remarks |
|---|---|---|---|---|
| 1 | ① | Nozzle (I.D. 16mm) | KA3116 | — |
| 2 | ② | Insulator | KE3001 | — |
| 3 | ③ | Contact tip (1.2mm) | K980C26 | — |
| 4 | ④ | Contact tip holder | DF3211 | — |
| 5 | ⑤ | Divider | KD3001 | — |
| 6 | ⑥ | Torch body (R70, 55°) | DF3255 | — |
| 7 | ⑥-1 | O‑ring (8×1.5) | Q508015S | — |
| 8 | ⑦ | Insulating cap | U5341G01 | — |
| 9 | ⑧ | Parallel pin | Q440418 | — |
| 10 | ⑨ | Torch handle (with screws) | U10087P00 | — |
| 11 | ⑨-1 | Round head screw (M4×20) | Q210420 | — |
| 12 | ⑨-2 | Round head screw (M4×16) | Q210416 | — |
| 13 | ⑩ | Trigger | U10087C01 | — |
| 14 | ⑪ | Spring | Q60512 | — |
| 15 | ⑫ | Micro switch | Q711 | — |
| 16 | ⑬ | Cable clamp (with screws) | U10087K00 | — |
| 17 | ⑬-1 | Round head screw (M4×16) | Q210416 | — |
| 18 | ⑭ | Hose 3.0m (for 1.0‑1.2mm wire) | DR3212-3 | Select length according to torch |
| 19 | ⑭ | Hose 4.5m (for 1.0‑1.2mm wire) | DR3212-4.5 | |
| 20 | ⑭ | Hose 6.0m (for 1.0‑1.2mm wire) | DR3212-6 | |
| 21 | ⑮ | Power cable 3.0m (with ⑮-1) | DL3030 | Select length according to torch |
| 22 | ⑮ | Power cable 4.5m (with ⑮-1) | DL3045 | |
| 23 | ⑮ | Power cable 6.0m (with ⑮-1) | DL3060 | |
| 24 | ⑮-1 | Hexagon socket head bolt (M5×16) | Q250516 | — |
| 25 | ⑮-2 | Spring sheath | DS3101 | — |
| 26 | ⑮-3 | Spring sheath | DS3201 | — |
| 27 | ⑯ | Connecting nut | DP3001 | — |
| 28 | ⑰ | Connector | DU3001 | — |
| 29 | ⑰-1 | O‑ring (3.15×1.8) | Q531518 | — |
| 30 | ⑰-2 | Round head screw (M4×6) | Q210406 | — |
| 31 | ⑱ | Wire feed tube nut | DU3013 | — |
Note: When ordering, ensure your torch model is WT3510‑SBD/‑MBD/‑LBD (current series). The older WT3510‑SCD series uses different parts – please verify your torch type to avoid mismatches.
All parts listed above are 100% original OTC Daihen spare parts. Our company is an OTC‑designated agent, ensuring you receive authentic components for your manual welding torch. Whether you need a single contact tip or a complete torch assembly, we are here to help.
📞 Contact Us for Orders / Inquiries
📱 Phone / WeChat / WhatsApp:
+86-180-9663-1656
📧 Email:
ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. You're also welcome to connect on WeChat to exchange knowledge and information about OTC welding machines.
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