Description
Is a 12-point ring the right grip for a 1-1/8 in tube nut? On clean steel fittings in a crowded bay, it usually is. The Snap-on QYRX36A flare nut head gives a Y-shank body that ring, with a slot that lets it pass over the line. As a result, you can torque the nut in place without opening the system any further.
When 12 points beat 6 at 1-1/8 in
A 12-point ring can seat every 30 degrees, so it needs only half the swing of a 6-point ring. That counts when a hose or bracket blocks most handle positions. However, a 6-point ring loads the middle of each flat. So for a worn or soft nut, the QYRX36A is not ideal, and Snap-on’s 6-point QYRXS36A at the same size is the safer pick.
Snap-on QYRX36A flare nut head data
- Opening: 1-1/8 in, 12-point, slotted.
- Shank: Y (0.560 in).
- Pin to fastener center: 3.00 in (QYRX series).
- Ratcheting twin: RTWH72YSL, the same size with a longer reach.
Snap-on’s US catalog and UK brochure print different torque, width and depth figures for this head. Therefore we omit them, and Lost in HCM confirms the values before you order.
Stepping between 1-1/16 and 1-3/16 in
The QYRX table moves in 1/16 in steps here. The QYRX34A covers 1-1/16 in, while the QYRX38A covers 1-3/16 in. Since one step is only about 1.6 mm, a worn caliper or a painted nut can mislead you. So clean the flats, measure twice, and then choose the Snap-on QYRX36A flare nut head only for a true 1-1/8 in reading.
Choosing a Y body for the Snap-on QYRX36A flare nut head
- QC3P150 preset, 30-150 ft-lb, for one value on a production line.
- QD3IN200B dual scale, 37-140 ft-lb, with no length math at 3.00 in.
- CTECHYM1200 ControlTech, 5-100 ft-lb, with a head-length factor.
Pick the body whose range puts your spec in its middle, rather than at either end. Then keep the setting at or below the head limit that Lost in HCM confirms.
Wear signs on a QYRX36A
Hold a straight edge across the slot every few weeks, because a spread slot loses grip. Also look for bright, polished spots on the points, which show wear. Finally, keep the pin hole clean, so the head locks square in the body.
Where to get QYRX36A pricing
Lost in HCM supplies this head and writes each quote, and SMK Vietnam features it as a partner listing. Add your Y body model and the line spec. Then send the QYRX36A details to Lost in HCM for a quote. Find nearby sizes in torque wrench heads and adaptors, or contact SMK Vietnam.
QYRX36A, answered briefly
Should I buy the QYRX36A or the RTWH72YSL?
Pick the solid QYRX36A for the final pull at standard spacing. Choose the ratchet for long run-downs in tight arcs.
Does the QYRX36A need a correction on a QD body?
No length math applies, because it keeps the 3.00 in Y spacing that QD bodies expect.
How big is one size step near 1-1/8 in?
One 1/16 in step is about 1.6 mm, so measure carefully.
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