Description
Torque screwdrivers and bit drivers often end in a 1/4 in hex. Many low-range torque testers, however, take a 1/4 in square drive. The Snap-on 260-27 socket adaptor bridges that gap, with a 1/4 in hex on one side and a 1/4 in square on the other.
Snap-on 260-27 socket adaptor details
- Connection: 1/4 in hex x 1/4 in square.
- Type: socket adaptor. Lost in HCM files it with its female-to-female socket adaptors.
- Family: the electronic torque tester and calibrator accessories in Snap-on’s CAT1500i.
Where it fits in a torque lab
Snap-on lists the 260-27 beside several other small socket adaptors for its tester range. Each one solves a single drive mismatch between a tool and a transducer. The 260-27 handles the hex-to-square case. So a lab that checks bit-type tools on a square-drive tester will likely keep one on the bench.
Testers on SMK Vietnam with a 1/4 in drive
The QC1ETT10, QC1ETT50, QC1ETT100 and QC1ETT400 all use a 1/4 in square drive. CDI’s 501-I-DTT and 1001-I-DTT digital testers do as well. Before you run a test, make sure the tester range suits the tool.
Getting a clean reading
Every adaptor adds a joint, and loose joints add play. So seat the adaptor fully on the transducer square, then check that the bit sits snug in the hex. Next, apply torque slowly and in line with the tester axis. Also keep the adaptor stack short, because side load can upset low readings.
Care and storage for the 260-27
Store the adaptor in the tester case, so it does not go missing. Wipe off oil before use, because a slick hex can let the bit rock. In addition, replace the adaptor once the hex corners start to round.
Order the Snap-on 260-27 socket adaptor
Lost in HCM supplies this part and gives the quote, while SMK Vietnam lists it. Please request a quote from Lost in HCM and mention your tester model. You can also browse torque wrench heads and adaptors, compare torque testers and calibration systems, or contact SMK Vietnam. See snapon.com for the brand.
260-27 FAQ
What does the 260-27 connect?
It joins a 1/4 in hex to a 1/4 in square drive.
Which testers can it serve?
It suits testers with a 1/4 in square drive, such as the Snap-on QC1ETT models.
Does it change the torque reading?
An in-line adaptor adds no leverage, so the torque stays the same. Still, a loose fit can add scatter.
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