![M13.5×1 LH Fluted Thread Protector [0.625" OD, 0.625" OAL] - SKU#9145](https://hughesprecision.com/wp-content/uploads/2017/08/DSC_0002-1-scaled.jpg)
![M13.5×1 LH Fluted Thread Protector [0.625" OD, 0.625" OAL] - SKU#9145 - Image 2](https://hughesprecision.com/wp-content/uploads/2017/08/DSC_0003-1-scaled.jpg)
![M13.5×1 LH Fluted Thread Protector [0.625" OD, 0.625" OAL] - SKU#9145 - Image 3](https://hughesprecision.com/wp-content/uploads/2017/08/DSC_0001-scaled.jpg)
Description
M13.5×1 LH Fluted Thread Protector [0.625″ OD, 0.625″ OAL] – SKU#9145
This is a M13.5×1 LH machined thread protector which is 5/8″ long with a fluted 5/8″ OD. It fits barrels and adapters using M13.5×1 LH threading, commonly found on Glock H&K, and Sig SAUER 9mm Handguns. Don’t run the risk of damaging the threads when muzzle accessories are not being used. Thread Protector is High Quality 4140 Steel with a Black Oxide Finish.
Please measure the length of the thread on your barrel or adapter to be sure that 5/8″ LONG will cover your thread.
ALWAYS VERIFY YOUR MUZZLE DEVICE IS RATED FOR THE CALIBER YOU INTEND TO SHOOT
ALWAYS VERIFY PROPER ALIGNMENT BEFORE FIRING
![M13.5×1 LH (female) to 5/8"× 24 RH (male) Thread Adapter [FOR: 9mm Sig 226 ( Internal Shoulder )] - SKU#160](https://hughesprecision.com/wp-content/uploads/2016/10/125-58-1-scaled-500x500.jpg)
![3/8"×24 RH (female) to 1/2"×28 RH (male) STAINLESS Thread Adapter w/ Protector [FOR: S&W M&P 22 COMPACT] - SKU#023](https://hughesprecision.com/wp-content/uploads/2016/11/DSC_0001-12-scaled-500x500.jpg)
![11/32"×24 RH (female) to 1/2"×28 RH (male) STAINLESS Thread Adapter w/ Protector [FOR: RUGER SR22] - SKU#022](https://hughesprecision.com/wp-content/uploads/2016/11/sr22s-1-scaled-500x500.jpg)
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