Description
On many 3/4 in hydraulic lines, the face seal nut measures 1-3/8 in, and it often sits right against a pump body or valve block. The Snap-on QYRX44A flare nut head reaches it with a slotted 12-point ring on a Y shank. Because the ring seats every 30 degrees, you can find a handle angle that clears the nearby hoses.
Confirmed data for the QYRX44A
- Opening: 1-3/8 in, 12-point, solid slotted ring.
- Shank: Y (0.560 in).
- Pin to fastener center: 3.00 in, as on every QYRX head.
Snap-on’s US catalog and its UK brochure print different torque, width and depth values for this head. So we leave those three out. Lost in HCM can confirm them for your order.
Three Snap-on ways to turn a 1-3/8 in nut
| Part | Style | Best use |
|---|---|---|
| QYRX44A | Solid 12-point, slotted | Final torque on tube nuts |
| RTWH88YSL | Ratcheting 12-point | Long run-down in tight arcs |
| QYO44A | Open end | Nuts where a ring cannot pass |
The solid Snap-on QYRX44A flare nut head grips more of the nut than an open end. It also keeps the standard 3.00 in Y spacing, unlike the ratchet. Therefore it is the steady choice for the final pull.
Y bodies for the Snap-on QYRX44A flare nut head
Large fittings often carry high values, so match the body to the spec before anything else. For instance, the QD3IN200B reads 37-140 ft-lb and needs no length math with this head. The QC3P200 preset covers 40-200 ft-lb for one fixed value. Meanwhile, the CTECH2Y100A covers 5-100 ft-lb for lighter joints. Then cap the setting at the head rating that Lost in HCM confirms.
Neighbors in the QYRX table
Snap-on’s US catalog lists a 1-1/4 in head below the QYRX44A and the 1-1/2 in QYRX48A above it. In addition, the 1-5/8 in QYRX52A covers the next step up. So a caliper reading decides the part, not the tube size printed on a drawing.
Snap-on QYRX44A flare nut head care
Hydraulic oil makes a big ring slip, so wipe the QYRX44A before and after each job. Next, check the slot edges for spread, because a wide slot grips unevenly. Also use the head for tightening only, since Snap-on warns against breaking fasteners loose with it.
Pricing a QYRX44A through Lost in HCM
SMK Vietnam lists the QYRX44A for its partner, and Lost in HCM supplies it and prepares the quote. Share your Y body and the fitting torque. With that in hand, request QYRX44A pricing from Lost in HCM. Browse torque wrench heads and adaptors for other sizes, or contact SMK Vietnam.
QYRX44A buyer notes
Does the QYRX44A suit a -12 face seal nut?
Often, because many -12 ORFS nuts for 3/4 in tube use a 1-3/8 in hex. Measure yours first.
Is there a J-shank 1-3/8 in flare nut head?
Not in Snap-on’s US 12-point flare nut table, which lists Y heads only.
Why are no torque or width figures shown?
Snap-on’s two sources disagree on them. So Lost in HCM confirms the values with each quote.
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