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SLWHAT-35M
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Comprehensive Guide: Choosing the Right Dinse Connection for M16 or Stud Ports on Your TIG Welding Machine

Selecting the correct Dinse connection for your TIG welding machine is essential for ensuring a secure, reliable, and efficient welding setup. This guide is specifically tailored to help you identify and choose the right connection for a machine with M16 or stud ports.

Step 1: Identifying Your Machine’s Port Type

The first step in selecting the appropriate Dinse connector is to correctly identify the type of port on your TIG welding machine. This is particularly important for machines with M16 or stud connections, which differ from the more common Dinse 25 and Dinse 35 types. 

How to Identify an M16 Connection

M16 connections are designed for secure, high-current connections and always feature a gas-through capability. Here's how to recognize them:

  • Thread Size and Type: The M16 designation refers to a metric thread with a 16mm nominal diameter and typically a 1.5mm pitch. This fine-thread connection is specific and distinct from other metric sizes.
  • Measuring the Connection: Use a caliper to measure the port's diameter—an M16 port will measure close to 16mm. Additionally, verify the thread pitch with a thread gauge to confirm compatibility.
  • Manual Reference: If unsure, consult your machine’s manual, which should list connection types under technical specifications.

For M16 connections, the recommended part number is SL2-35-M16. This component provides both the power connection and gas-in feature using the M16 adaptor

How to Identify a Stud Connection

Stud connections are common in older or industrial-grade TIG welding machines and are known for their robustness and use on engine-driven welders.

  • Physical Characteristics: A stud connection typically involves a bolt or stud that protrudes from the machine’s panel. The connection is secured with a nut over a cable lug, providing a solid electrical link.
  • Size of the Stud: Stud sizes vary, with common diameters being 1/2" x 13 (Right hand threads). Measure the stud’s diameter with a caliper for precise identification.
  • Connection Method: Unlike quick-connect systems, stud connections require a wrench to tighten the nut and secure the cable lug.
  • Machine Age: Stud connections are more likely to be found on older machines or those designed for high-amperage applications.
Choosing the Right Stud Adapter

To help you select the proper stud adapter for your torch, use the following table, which provides options based on the specific torch model:

Image Torch (Used With) Thread Size Adapter Part Number
CK24, CK80, CK90, CK100
 CK24, CK80, CK90, CK100 5/8"-18 RH 1PCA 53N43
CK26, TL26
 CK26, TL26 7/8"-14 RH 45V62 45V62
CK6, CK7, CK130, CK150, FL130, FL150
 CK6, CK7, CK130, CK150, FL130, FL150 5/8"-18 RH 15PCA 105Z57
CK50, CK210, TL210, MT100, CK186
 CK50, CK210, TL210, MT100, CK186 5/8"-18 RH 21HPCA 2310-1879
CKA10
 CKA10 7/8"-14 LH APCA10 2310-2101
CKA35
 CKA35 5/8"-18 RH APCA35 2310-0375
CKA20
 CKA20 3/4"-16 LH APCA20 2310-1824
CK18, CK20, CK24W, CK35, CK80, CK80Z, CK320, CK320D, CK350, TL18, TL200, F230, FL230, MR140, MT400, MT500
 CK18, CK20, CK24W, CK35, CK80, CK80Z, CK320, CK320D, CK350, TL18, TL200, F230, FL230, MR140, MT400, MT500 5/8"-18 LH 2PCA 45V11


Need assistance? Contact our amazing customer service team at 1-800-426-0877 for help choosing the right Dinse connector for your torch and machine.