Description
Many plants keep their heavy sockets in 3/4 in drive. An IZO/ISO wrench can still use them, as long as it has the right insert. The Snap-on IZLRAT14X18 ratchet insert supplies that link. It pairs a 3/4 in ratcheting square drive with a 14 x 18 mm fitting.
IZLRAT14X18 catalog data
| Square drive | 3/4 in (19 mm) |
|---|---|
| Width | 40 mm |
| Insert size | 14 x 18 mm |
| Max recommended working torque | 960 N·m |
Does the IZLRAT14X18 or the wrench set the limit?
The insert rating sits far above most 14 x 18 wrenches. For example, the ControlTech CTECHBN340A on SMK Vietnam reads 17-340 N·m. So the wrench, not the insert, decides your working range. Also check the socket and any extension, because each part has its own rating. Snap-on builds a calibration factor for head length into ControlTech wrenches, so follow the manual when you fit the insert.
Choosing a drive size for the Snap-on IZLRAT14X18 ratchet insert
Snap-on offers two other ratchets on the same 14 x 18 fitting. The IZSRAT14X18 and QIZ16Q14X18 both carry a 1/2 in drive and a 265 N·m rating. Pick the 3/4 in IZLRAT14X18 when your sockets are already 3/4 in, so you avoid a reducer in the stack. In contrast, stay with 1/2 in for lighter joints and smaller sockets.
Wrenches the IZLRAT14X18 will not fit
The 9 x 12 mm ControlTech models, such as the CTECHAN30A and CTECHAN135A, need 9 x 12 inserts. Likewise, round-shank QD and QC bodies take Q-series square drive heads instead.
Care for the IZLRAT14X18
Wipe the 14 x 18 fitting clean, so it seats square in the receiver. Then keep chips out of the ratchet, since debris can make it slip. Also never use the wrench to break fasteners loose, and keep it on Snap-on’s periodic recalibration plan.
Order the Snap-on IZLRAT14X18 ratchet insert
SMK Vietnam lists this insert, and our partner Lost in HCM supplies it and quotes it. Tell Lost in HCM your wrench model. Then request an IZLRAT14X18 quote from Lost in HCM. You can also browse more torque wrench heads and adaptors, see torque wrenches, or contact SMK Vietnam.
IZLRAT14X18 FAQ
What square drive does the IZLRAT14X18 have?
It has a 3/4 in (19 mm) square drive.
Will it fit a 9 x 12 mm wrench?
No. Its fitting is 14 x 18 mm, so it needs a 14 x 18 receiver.
Does the 960 N·m rating mean my wrench can go that high?
No. The wrench body sets the usable range, so stay within its scale.
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