Description
M16 is a workhorse bolt size in factories, and its ISO hex measures 24 mm across the flats. Motor bases, gearbox feet, conveyor frames and robot pedestals all use it. The Snap-on QYOM24A open end head lets a Y-shank torque body tighten those M16 joints from the side, where a socket has no room to drop on.
Confirmed figures for the QYOM24A
- Opening: 24 mm, open end.
- Shank: Y (0.560 in).
- O.D.: 49 mm.
- Head depth: 11 mm.
- Retaining pin to fastener center: 3.00 in, standard for QYOM heads.
Snap-on’s CAT1500i catalog and its UK torque brochure publish different torque limits for the QYOM24A. So we leave the rating out, and Lost in HCM confirms it with your quote.
Four shanks at 24 mm
Snap-on makes a 24 mm open-end head for every shank: the QJOM24A (J), the QYOM24A (Y), the QXOM24A (X) and the dual-pin QZOM24ADP (Z). Each step up adds capacity, but it also adds body length and weight. Therefore choose the lightest shank that covers your M16 spec. The QYOM24A sits in the middle, so it suits medium joints on stations that already run Y bodies.
Y bodies that pair with the Snap-on QYOM24A open end head
CAT1500i lists three Y-shank bodies. The QD3IN200B dual-range body reads 40 to 200 N·m, or 37 to 140 ft-lb. For repeat work, the QC3P150 preset covers 30 to 150 ft-lb, and the QC3P200 covers 40 to 200 ft-lb. However, never set a preset above the head rating that Lost in HCM confirms. Also, the QYOM24A keeps the 3.00 in Y spacing, so Snap-on says the dual-range body needs no adjustment calculation.
Open jaw or ring for an M16 nut?
An open jaw touches two flats, while a 12-point ring grips all corners. So the ring resists slip better on a tight, high-value joint. However, the QYOM24A wins when a stud, a pipe or a cable runs through the joint. In practice, many maintenance teams keep both. They use the ring for final torque on clear bolts and the jaw for blocked ones.
QYOM24A on the shop floor
Seat the jaw fully on the flats before you pull, because a half-seated jaw can ride up the corners. Then pull steadily through the click. Also wipe grit from the shank, so the Snap-on QYOM24A open end head sits square in the body.
Getting a quote for the Snap-on QYOM24A open end head
SMK Vietnam lists this head, and Lost in HCM supplies it and prepares the quote. Request a quote from Lost in HCM and mention your Y body and your M16 torque spec. For more M16 options, browse the torque wrench heads and adaptors or contact SMK Vietnam.
M16 questions about the QYOM24A
Will the QYOM24A fit every M16 nut?
It fits the 24 mm ISO hex. However, some flange nuts and heavy hex nuts differ, so measure first.
Why is no torque rating shown for the QYOM24A?
Two Snap-on publications list different limits for this head. So Lost in HCM states the confirmed figure in your quote.
Can I swap the QYOM24A onto an X body?
No. A Y shank fits only Y bodies, so an X body needs the QXOM24A.
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