Ok can someone tell me the thread on the mod75 SAKO is it Imperial or metric also the L579 some say the L579 is imperial and the 75 is metric someone out there must know.
SAKO mod 75 barrel thread
- Thread starter Aussie_bob
- Start date
Aussie,
You don't specify if the thread is open or not. If it is, you can compare it against a thread/pitch of known diameter using the three wire method and a set of mics. This is an accurate way to go. The 55 degree thread will give you a larger diameter reading than if the threads are 60 degrees because it sits higher in the "V". This will tell you Eng Vs Metric. You can check the pitch with a scale. Thread pitch gage is by far better. If the threads are already assembled and cannot be checked manually, as you say, you'll need some specs
LOL
You don't specify if the thread is open or not. If it is, you can compare it against a thread/pitch of known diameter using the three wire method and a set of mics. This is an accurate way to go. The 55 degree thread will give you a larger diameter reading than if the threads are 60 degrees because it sits higher in the "V". This will tell you Eng Vs Metric. You can check the pitch with a scale. Thread pitch gage is by far better. If the threads are already assembled and cannot be checked manually, as you say, you'll need some specs
LOL
All the sako 75 actions i have re-barreled have been 0.996"-0.997" x 16TPI
Upgrades & Donations
This Forum's expenses are primarily paid by member contributions. You can upgrade your Forum membership in seconds. Gold and Silver members get unlimited FREE classifieds for one year. Gold members can upload custom avatars.
Click Upgrade Membership Button ABOVE to get Gold or Silver Status.
You can also donate any amount, large or small, with the button below. Include your Forum Name in the PayPal Notes field.
To DONATE by CHECK, or make a recurring donation, CLICK HERE to learn how.
Click Upgrade Membership Button ABOVE to get Gold or Silver Status.
You can also donate any amount, large or small, with the button below. Include your Forum Name in the PayPal Notes field.
To DONATE by CHECK, or make a recurring donation, CLICK HERE to learn how.