Description
Odd hex sizes such as 26 mm tend to live on hydraulic hardware rather than on standard nuts. The Snap-on QZOM26ADP open end head brings that size to a Z-shank (0.990 in) torque wrench. Because the jaw slips on from the side, you can tighten an adapter while its hose stays connected.
Verified figures for the QZOM26ADP
| Item | Value |
|---|---|
| Opening | 26 mm, dual retaining pins |
| Shank | Z (0.990 in) |
| Max working torque | 298 ft-lb, about 404 N·m |
| O.D. | 53 mm |
| Head depth | 11 mm |
| Fastener center to retaining pin | 5.75 in |
CAT1500i prints 298 ft-lb for the QZOM26ADP. The UK torque brochure gives its 26 mm Z jaw 3,570 in-lb, which also comes to roughly 298 ft-lb. So both Snap-on sources agree on the Snap-on QZOM26ADP open end head, and the width and depth match as well.
Hardware that carries a 26 mm hex
No common coarse-thread nut in ISO 4032 or DIN 934 uses 26 mm. The neighbors are 24 mm for M16 and 27 mm for M18. Therefore, a 26 mm hex usually belongs to a fitting body, a port adapter, a valve bonnet or a special lock nut. For example, picture a straight adapter on a loader valve block, with a hose that blocks any socket. Before you order the QZOM26ADP, measure those flats, since a 27 mm jaw would round the corners.
Snap-on QZOM26ADP open end head on a one-meter body
CAT1500i lists one Z-shank body, the QD4IN800A. Its scale spans 150 to 800 N·m, which equals 129 to 572 ft-lb. So the 298 ft-lb head limit sits near the middle of its scale. However, the low end matters too. This body cannot reach a 26 mm spec under 129 ft-lb, so a lighter shank makes more sense there. Snap-on also notes that QD heads keep one pin-to-fastener size, which means no length math with the QZOM26ADP.
Z or X at 26 mm?
Snap-on also offers 26 mm jaws on the J, Y and X shanks. Yet the two catalogs print different limits for the X version. By contrast, the Z rating reads the same in both. So if you need a confirmed figure near 300 ft-lb, the QZOM26ADP is the safer pick. On the other hand, the X body weighs about a third as much. Choose that lighter kit only after Lost in HCM confirms the X head limit for you.
How to price the Snap-on QZOM26ADP open end head
SMK Vietnam lists this head for its partner Lost in HCM, which handles supply and quotes. Request a quote from Lost in HCM and include the joint spec, the hex size and your body model. Other 26 mm jaws sit in torque wrench heads and adaptors, and you can contact SMK Vietnam for help.
26 mm dual-pin jaw: buyer questions
Can the QZOM26ADP go on an X-shank wrench?
No. It has a Z shank (0.990 in), so it fits Z bodies only, such as the QD4IN800A.
What does 298 ft-lb mean in N·m?
It equals about 404 N·m. Keep the body at or below that value whenever this jaw sits on the wrench.
Does the 26 mm jaw fit an M18 nut?
No. M18 nuts take a 27 mm hex in both ISO 4032 and DIN 934. Pick the 27 mm Z head for that job.
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