Description
A 26 mm hex is not an ISO bolt size, since M16 uses 24 mm and M18 uses 27 mm. Instead, it tends to mark a fitting, a gland nut or a machine-specific part, such as a pump seal housing. When such a part needs a measured value, the Snap-on QYXM26A box end head gives a Y-shank wrench the reach. Its closed 12-point ring spreads the load around the whole hex.
A wide ring on a mid-size shank
At 26 mm, Snap-on’s UK brochure offers all four shanks. As a result, the choice comes down to body and load rather than size. Also, the table shows how far each ring sits from its locking pin.
| Part | Shank | Pin to fastener center |
|---|---|---|
| QJXM26A | J (0.425 in) | 2.50 in |
| QYXM26A | Y (0.560 in) | 3.00 in |
| QXXM26A | X (0.735 in) | 4.50 in |
| QZXM26A | Z (0.990 in) | 5.75 in |
The Y ring suits moderate specs on a body that is still easy to carry. However, heavy specs belong on the X or Z ring. The partner listing and the brochure also print different limits for the QYXM26A, so Lost in HCM confirms the rating with the quote.
Side room for a wide 26 mm ring
In size, this ring measures 38 mm across and 16 mm deep. Thus you need about 19 mm from the fastener center to the nearest wall or line. That is a lot more than a socket wall would take, because the ring wraps the whole hex. So check the space around a gland nut before you plan on the Snap-on QYXM26A box end head. In return, the closed ring will not spread like an open jaw under load.
Y bodies that accept the QYXM26A
- QD3IN200B: 40-200 N·m (37-140 ft-lb), 23 in.
- QC3P150 or QC3P200 preset: 30-150 or 40-200 ft-lb.
- CTECH2Y100A: 5-100 ft-lb, electronic, with a head-length factor.
Since each scale can pass the ring limit, set it at or below the figure Lost in HCM gives for the QYXM26A.
Quote request for the Snap-on QYXM26A box end head
Lost in HCM supplies this ring and prices each order, while SMK Vietnam lists it. Send your Y body model and the fitting spec as you request a quote from Lost in HCM. Other 26 mm shanks and sizes appear under torque wrench heads and adaptors, and you can contact SMK Vietnam for help.
26 mm Y ring FAQ
What usually carries a 26 mm hex?
Not ISO bolts, which use 24 mm for M16 and 27 mm for M18. So look at fittings, gland nuts and machine-specific parts, and measure them.
Why choose the Y ring over the Z ring at 26 mm?
A Y body is lighter and shorter, which suits moderate specs at cramped stations. High specs belong on the X or Z ring.
How tall is the QYXM26A?
It stands 16 mm deep, with a 38 mm outside diameter.
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