Description
Large anchor nuts and cylinder glands often sit on long threads, where a deep socket will not pass. The Snap-on QZOM65ADP open end head fits a 65 mm hex from the side on a Z-shank (0.990 in) wrench. It also carries dual retaining pins, as the DP in the part number shows.
The QZOM65ADP in numbers
| Item | QZOM65ADP |
|---|---|
| Opening | 65 mm |
| Shank | Z (0.990 in), dual pins |
| Max working torque | 480 ft-lb (about 651 N·m) |
| O.D. | 130 mm |
| Head depth | 26 mm |
| Pin to fastener center | 5.75 in |
These figures come from CAT1500i, and the source packet matches them. The UK torque brochure stops at 36 mm, so it offers no cross-check for the Snap-on QZOM65ADP open end head.
M42 nuts and the Snap-on QZOM65ADP open end head
ISO 4032 and DIN 934 both give the M42 nut a 65 mm hex. So the QZOM65ADP suits M42 lock nuts, tie-rod nuts on large presses and threaded collars on heavy cylinders. Also, CAT1500i shows no other shank at 65 mm. Therefore, this head is the only 65 mm open-end entry in that catalog.
A 1 m wrench and a 130 mm head: plan the swing
The QD4IN800A Z body measures 41-1/2 in, about 1,054 mm, and weighs about 11 lb. Add the 130 mm QZOM65ADP head, and the tool needs a lot of room. First, check the arc around the nut for pipes and guards. Next, set your feet and pull with both hands at a steady pace. Then stop at the click. Also, Snap-on warns against using these wrenches to break fasteners loose.
Past the Snap-on QZOM65ADP open end head limit, choose another tool
The QD4IN800A reads up to 572 ft-lb, yet the QZOM65ADP stops at 480 ft-lb. So never set the body past the head limit. Many M42 joints in heavy plant work call for more than that. In that case, look at a torque multiplier or a hydraulic tool instead of this head.
Quote path for a 65 mm Z jaw
Request a quote from Lost in HCM for the QZOM65ADP and name your body model, hex and joint spec. SMK Vietnam lists the head on behalf of Lost in HCM, which supplies it. See more in torque wrench heads and adaptors, or contact SMK Vietnam.
Buying a 65 mm dual-pin head: FAQ
Why does the QZOM65ADP width matter so much?
At 130 mm across, the head needs a wide gap beside the nut. Check that pipes and brackets leave room for the jaw and the swing.
Which body takes the QZOM65ADP?
It needs a Z-shank body. CAT1500i lists the QD4IN800A, which reads 150 to 800 N·m.
How deep is the 65 mm jaw?
Snap-on lists a 26 mm head depth. So thin nuts may not fill the jaw; check the flat height first.
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