Description
Hydraulic and fuel lines end in tube nuts that a socket cannot reach, since the tube runs right through the middle. The Snap-on RTWH68YSL flare nut head suits that kind of fitting, and it adds a ratchet. As a result, you can bring a 1-1/16 in tube nut to torque without resetting the head on every swing.
RTWH68YSL in Snap-on’s catalog
- Type: ratcheting flare nut head, 12-point.
- Size: 1-1/16 in.
- Shank: Y (0.560 in).
- Fastener center to retaining pin: 4.43 in for RTWHY heads.
Head length matters with the Snap-on RTWH68YSL flare nut head
Standard Y heads put the fastener 3.00 in from the pin, yet this head puts it 4.43 in away. That longer reach changes the lever arm on the body. Snap-on’s catalog does not print a correction method for click bodies, so we do not offer one. Instead, ask Lost in HCM or Snap-on how to set your body before use. Snap-on ControlTech bodies, by contrast, include a built-in calibration factor for head length.
Bodies with a Y shank
The RTWH68YSL locks into Y-shank bodies only. On SMK Vietnam, for example, those include the QD3IN200B, QC3P150 and QC3P200 click bodies. Electronic options include the CTECH2Y100A, TECH2Y100 and CTLNK2Y100. For tube work, the ControlTech route is often the simpler one, because of the head-length setting.
Where the RTWH68YSL helps
Large tube nuts appear on hydraulic presses, injection molding machines and mobile equipment. They also appear on compressor and chiller lines. In each case, a 12-point ratcheting ring grips more of the nut than an open-end head, so it spreads the load across the flats.
Care tips
Blow grit out of the Snap-on RTWH68YSL flare nut head after dirty jobs, then add a light oil. Also check that the ratchet engages cleanly before each job. Store the head in a tray rather than loose, so the ring does not take knocks.
Get the Snap-on RTWH68YSL flare nut head from Lost in HCM
Lost in HCM supplies this head and quotes it, while SMK Vietnam lists it as a partner item. Tell Lost in HCM which Y-shank body you use, so it can advise on the setup. Then request RTWH68YSL pricing from Lost in HCM. You can also browse more torque wrench heads, view torque wrenches, or contact SMK Vietnam.
RTWH68YSL questions
Does a longer head change the torque reading?
Yes, it can. This head sits 4.43 in from the pin rather than 3.00 in, so follow Snap-on’s guidance for your body.
Is there a J-shank version in this size?
No. Snap-on lists the 1-1/16 in size in Y shank only.
What is its maximum torque?
Snap-on’s head table does not show one for this size. Ask Lost in HCM to confirm the rating.
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