Description
Now and then, a joint needs a tool that no catalog offers. It could be a slotted nut, a special spline or a fixture key. The Snap-on IZWI14X18 welding insert answers that with a 14 x 18 mm insert end and nothing else. Your workshop welds a custom fitting to it, and the result plugs into a 14 x 18 mm insert-head torque wrench.
Where the IZWI14X18 sits in the IZO range
Snap-on lists it in its IZO torque insert heads table as a welding insert, 14 x 18. The same 14 x 18 mm interface also carries open end inserts and insert rings from 13 to 36 mm. In addition, Snap-on offers ratchet head inserts such as the IZSRAT14X18. So check those standard parts first, because a ready-made head saves time and testing.
Wrenches for the Snap-on IZWI14X18 welding insert
The insert needs a wrench with a 14 x 18 mm IZO/ISO socket. In Snap-on’s ControlTech line, that means the CTECHBN340A, which covers 17.0-340.0 N·m. The smaller 9 x 12 mm models, such as the CTECHAN135A, take a different blank, the IZWI9X12. ControlTech wrenches also include a built-in calibration factor for different head lengths. That feature matters here, since a custom fitting rarely matches a standard length.
Planning a custom head
- Define the fastener, the access path and the target torque first.
- Keep the finished head as short and stiff as the job allows.
- Measure the final length, and enter it in the wrench before use.
- Trial the finished head on a test joint before it goes to the line, and never exceed the wrench capacity.
Snap-on publishes no torque rating for the IZWI14X18, so the weld and fitting design are your responsibility.
Care of the IZWI14X18 after welding
Inspect the weld on your Snap-on IZWI14X18 welding insert for cracks after heavy use, and retire the head at the first sign of damage. Also keep the 14 x 18 mm plug end clean and free of spatter, so it seats fully in the wrench. In addition, follow Snap-on’s advice on periodic recalibration of the wrench.
How to order the Snap-on IZWI14X18 welding insert
Lost in HCM supplies the IZWI14X18 and sends each quote; SMK Vietnam lists it on their behalf. Mention your wrench model, so they can confirm the 14 x 18 mm interface. Then ask Lost in HCM to quote the IZWI14X18. Other insert and interchangeable parts sit under torque wrench heads and adaptors. For anything else, feel free to contact SMK Vietnam directly.
IZWI14X18 FAQ
Does the IZWI14X18 come with a tool on the end?
No. Snap-on lists it simply as a welding insert. Your workshop adds the working end.
Does it suit the smaller 9 x 12 mm wrenches?
No. It has the 14 x 18 mm interface. For 9 x 12 mm wrenches, Snap-on lists the IZWI9X12 instead.
What torque can the finished head take?
That depends on your fitting and your weld. Snap-on prints no rating for the welding insert, so test and document your own design.
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