Power Steering Box to K frame bolt size?

[1968rt]

I measured it and came up with 1/2" -13 Does this sound correct? I need to chase the thread so I want to buy a tap.

 

[moes]

power steering box bolts - 1/2 by 13 thread size

 

[RJRENTON]

I measured it and came up with 1/2" -13 Does this sound correct? I need to chase the thread so I want to buy a tap.

View attachment 1214721

If you need to thread or chase the threads on a BOLT, uou need threading DIE. To thread a hole, you need a tap set, comprised of three (3) different taps: TAPER, PLUG AND BOTTOMING taps. Just thought you might like to know.
BOB RENTON

 

[1968rt]

I have a very good German tap and die set. Im just missing the correct tap. The welded bolt in the K frame is a little cross threaded.

 

[Tony Tee]

These are the bolts on my 69 charger. Why 12 point ?
And these are the bolts that were installed on the car. I cleaned them and tin/zinc plated them with Eastwood's plating kit.

 

[1968rt]

These are the bolts that came out of my 72 Charger. They are the same thread size on my 68. Those look like after market bolts.

 

[moparmarks]

What year?
Thread size changed in 68 to 1/2" from 7/16"
68-70 12 pt. 71-up 6pt.

 

[1968rt]

The bolt shown is from the 72. The 68 has the 12pt black anodized.