Description
An 11 mm hex usually needs a light touch, and a heavy body tells you little at that size. The Snap-on IZ11IR9X12 insert ring keeps 11 mm on the small 9 x 12 mm IZO/ISO fitting, where the lighter ControlTech bodies sit. Its closed ring wraps the whole hex, so it holds well during a slow, steady pull.

Only on the 9 x 12 fitting
Snap-on makes the 11 mm ring for 9 x 12 mm receivers only, because the 14 x 18 ring list starts at 13 mm. So a station that runs only 14 x 18 bodies cannot carry the IZ11IR9X12. In the small ring series, it sits between the IZ10IR9X12 and the IZ12IR9X12. Above it, Snap-on adds 13, 14, 15, 17 and 19 mm rings.
Matching a body to the Snap-on IZ11IR9X12 insert ring
| ControlTech body | Receiver | Range |
|---|---|---|
| CTECHAN30A | 9 x 12 mm | 1.50-30.00 N·m |
| CTECHANM30 | 9 x 12 mm | 1.5-30 N·m |
| CTECHAN135A | 9 x 12 mm | 6.8-135.0 N·m |
Choose a 30 N·m body when every 11 mm joint on the line sits low. On the other hand, pick the CTECHAN135A when the same body must also tighten larger bolts. Either way, the ring and the body share the 9 x 12 mm fitting, so the IZ11IR9X12 swaps in seconds.
Setting up the IZ11IR9X12 at a station
ControlTech bodies store a calibration factor for different head lengths. Therefore, you select the ring’s stored setting on the wrench before you start. Snap-on also lists presets with lockout for ControlTech wrenches. For example, a supervisor can lock the 11 mm value, so an operator cannot change it by mistake.
Care and limits for the Snap-on IZ11IR9X12 insert ring
Snap-on prints no torque limit for its IZO inserts in CAT1500i. So stay inside the body’s rated capacity, and never use the tool to free a seized nut. Wipe the shank and the ring after each shift, since grit stops the lock from seating. Also retire a ring that rocks on a known 11 mm hex.
How Lost in HCM quotes the IZ11IR9X12
SMK Vietnam shows this ring in its catalog, while Lost in HCM supplies it and writes the quote. Send them your body model and the torque value for each 11 mm joint. After that, request an IZ11IR9X12 price from Lost in HCM. Other sizes appear under torque wrench heads and adaptors. To check fit first, contact SMK Vietnam.
Quick answers on the 11 mm ring
Is there an 11 mm ring for the 14 x 18 fitting?
No. Snap-on’s 14 x 18 rings begin at 13 mm, so the IZ11IR9X12 needs a 9 x 12 body.
Which 11 mm insert suits a pipe nut?
The IZ11OE9X12 open end, because the pipe passes through the nut. Keep the IZ11IR9X12 ring for hex heads you can reach from above.
Which ControlTech body pairs best with the IZ11IR9X12?
The CTECHAN30A suits light joints. Choose the CTECHAN135A when one body must also cover bigger bolts.
















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