Description
Machines built to DIN drawings often carry M10 nuts with a 17 mm hex, while ISO parts use 16 mm. The Snap-on IZ17OE9X12 torque insert covers the 17 mm side with an open end on a 9 x 12 mm IZO/ISO fitting. So a compact electronic wrench can torque those nuts from the side, along with 17 mm pipe unions.

Two 17 mm open ends, two fittings
Snap-on lists 17 mm open ends for both fittings: the IZ17OE9X12 and the IZ17OE14X18. They grip the same nut, yet each needs its own receiver. In addition, closed rings exist at 17 mm for both sizes, the IZ17IR9X12 and the IZ17IR14X18. Therefore decide on the body first, and then choose jaw or ring.
Matching a 9 x 12 body to the Snap-on IZ17OE9X12 torque insert
| Body | Range, N·m | Length without head |
|---|---|---|
| CTECHAN30A | 1.50-30.00 | 338 mm |
| CTECHANM30 | 1.5-30 | Not listed |
| CTECHAN135A | 6.8-135.0 | 452 mm |
Steel M10 joints often run above 30 N·m, so the CTECHAN135A tends to be the working match for the Snap-on IZ17OE9X12 torque insert. Its calibrated band, 20 to 100% of full scale, starts at 27 N·m. By contrast, lighter M10 values on plastic or aluminum parts may suit a 30 N·m body better.
Where the 17 mm open jaw works
- Pipe unions with 17 mm flats, where the pipe blocks a ring.
- Lock nuts on M10 adjusting screws, with the screw passing through.
- DIN M10 nuts on guards and brackets, reached from the side.
In each case, the IZ17OE9X12 slides on sideways, so the operator never has to strip parts away to fit a ring.
Fitting the IZ17OE9X12 to a ControlTech body
Insert the shank until the lock clicks home, and give it a light tug to confirm. Next, choose the insert’s length factor in the ControlTech menu, so the display reads true at the jaw. After that, keep the jaw fully on the flats and pull steadily until the body signals. Also keep chips and coolant out of the receiver.
Sourcing the Snap-on IZ17OE9X12 torque insert in Vietnam
Lost in HCM supplies the IZ17OE9X12 and prepares the quote, while SMK Vietnam lists it for that partner. Include your body model and the M10 value. Then request a quote from Lost in HCM for the 17 mm insert. The 16 mm and 18 mm neighbors appear under torque wrench heads and adaptors, and you can contact SMK Vietnam with fit questions.
IZ17OE9X12 sizing answers
Is 17 mm the right jaw for an M10 nut?
For DIN 934 M10, yes. ISO 4032 M10 nuts use 16 mm, which the IZ16OE9X12 covers.
Will the IZ17OE9X12 fit the CTECHBN340A?
No. That body takes 14 x 18 mm inserts, so pair it with the IZ17OE14X18 instead.
















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