Description
The final pull on a 1-1/4 in tube nut needs a ring that stays rigid right up to the signal. The Snap-on QYRX40A flare nut head delivers that with a solid, slotted 12-point opening on a Y shank (0.560 in). It also keeps the standard 3.00 in Y spacing. As a result, a QD dual-scale body reads it without any length math.
How the QYRX40A appears in Snap-on’s tables
CAT1500i shows a 1-1/4 in row in its 12-point Y table, and the UK Torque Brochure names that part the QYRX40A. However, the two print different maximum torque values. Their width and depth figures differ as well. So this page states none of those numbers for the QYRX40A, and Lost in HCM confirms them with your quote.
Solid ring or ratchet at 1-1/4 in
Snap-on also makes a ratcheting 12-point Y head at this size, printed in CAT1500i as the RTWH80YSL. That ratchet spins a nut down quickly, yet it reaches 4.43 in from the pin. The QYRX40A, by contrast, stays at 3.00 in. Therefore a crew can run the nut down with the ratchet and then switch to the solid ring for the measured pull. Note too that the 6-point inch table ends at 1-1/8 in, so no 6-point head exists here.
Setting a Y body with the Snap-on QYRX40A flare nut head
- QD3IN200B: 40-200 N·m on a dual scale.
- QC3P150: preset body, 30-150 ft-lb.
- QC3P200: preset body, 40-200 ft-lb.
- CTECH2Y100A: electronic ControlTech body, 5-100 ft-lb, that logs each pull.
Because the head limit awaits confirmation, start from the joint spec. Then pick a body whose range covers it, and keep the setting at or under the limit that Lost in HCM gives you.
A field case for the Snap-on QYRX40A flare nut head
Think of an excavator under repair, with -12 JIC hose ends crowded around its control valve. Those swivel nuts often carry a 1-1/4 in hex, although a caliper check comes first. A socket cannot pass the hose, and an open jaw may spread on a firm nut. So the slotted QYRX40A drops over the hose, finds a seat every 30 degrees, and lets the Y body finish each nut.
Twelve points to keep clean on the QYRX40A
Wipe grit from the twelve points after each job, since packed dirt lifts the ring off the flats. Then check the slot of the Snap-on QYRX40A flare nut head for spread with a caliper. Finally, book the body for periodic recalibration, as Snap-on advises for all its torque tools.
Buying a QYRX40A for a Vietnam workshop
Lost in HCM supplies the QYRX40A and handles the quote, while SMK Vietnam lists it as a partner item. Share your Y body model and the joint value. Then ask Lost in HCM for QYRX40A pricing through its product page. Browse more torque wrench heads and adaptors, or contact SMK Vietnam about fit.
QYRX40A fit checks
Which head covers 1-3/16 in, one size down from the QYRX40A?
The QYRX38A, another 12-point slotted ring on a Y shank.
Can a ControlTech body run the QYRX40A?
Yes, a Y-shank model such as the CTECH2Y100A. Select the stored head-length factor before you pull.
Is there a thin open end at 1-1/4 in?
Yes, the QJO40ARTH on a J shank. It grips only two flats, so the QYRX40A ring suits tube nuts better.
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