Machined dots in slide?

[Papa_D]

I was watching this video on YouTube of a guy cleaning his SD9VE. I noticed there was a group of dots that were machined into the top inside of the slide at the 4:40 mark. I was curious if anyone could tell me what they are? Here is the link to the video; https://www.youtube.com/watch?v=fDAnKFwmx3U

 

[Coop de Ville]

Kill dots.

 

[Papa_D]

Kill dots.

 

[SteveFi]

it is my understanding that is a code to identify the milling machine the slide was made on

 

[Papa_D]

it is my understanding that is a code to identify the milling machine the slide was made on

OK. That makes sense. Thank you.

 

[45tex]

My .40 has straight lines milled into the slide

 

[ou1954]

Interesting- I had jumped to the conclusion that they were a weight adjustment.

 

[kakarote9130]

Removed for weight and balance.
Sounds good to me!

 

[touchoneoff]

Hmmm...I have no idea. I have yet to see that.

 

[micocyco]

I was watching this video on YouTube of a guy cleaning his SD9VE. I noticed there was a group of dots that were machined into the top inside of the slide at the 4:40 mark. I was curious if anyone could tell me what they are? Here is the link to the video; https://www.youtube.com/watch?v=fDAnKFwmx3U

I was about to say nothing like that on mine, until I looked up in the little square were the cue-tip is at & saw one.

 

[ou1954]

Here are my SD9 dots.

I just noticed the dark area. Sorry, I have since cleaned that slide.

 

[ou1954]

Slide dots

I was watching this video on YouTube of a guy cleaning his SD9VE. I noticed there was a group of dots that were machined into the top inside of the slide at the 4:40 mark. I was curious if anyone could tell me what they are? Here is the link to the video; https://www.youtube.com/watch?v=fDAnKFwmx3U

If you look at his slide it's clear that his dots are similar to but definitely different from those in the picture I just posted. Interesting but no conclusion. I thought the first time around that it was a weight adjustment but if so, a tiny one.

 

[ou1954]

Dots and Slots

I don't know if anyone from S&W is on this forum but the issue of dimples/dots in 9mm slides and grooves/slots in .40 slides has to be simple.

Doesn't anyone know the answer?

 

[AnthemBassMan]

Not a clue, but here are the lines in my SD40-VE slide.

L8R,
Matt

 

[ou1954]

Please someone, I can't stand the suspense.

One thing seems to be pretty sure, the 9's have dots, the .40's have grooves.

===========================================
Matt: You take better pictures than I do but your shoe is out of focus.

 

[AnthemBassMan]

Must mean that I'm grooving!! OK, failed attempt...

L8R,
Matt

 

[S&W Rover]

Visited the S&W factory in Springfield several years ago... at that time, there were five main CNC machines continually milling slides. The S&W guide told us that they put different numbers of dots in the slides to tell which CNC machine made them, so if they detect problems with the slide's dimensions or cosmetics downstream in the manufacturing process they can check the right machine.

 

[ou1954]

Dots and grooves

Visited the S&W factory in Springfield several years ago... at that time, there were five main CNC machines continually milling slides. The S&W guide told us that they put different numbers of dots in the slides to tell which CNC machine made them, so if they detect problems with the slide's dimensions or cosmetics downstream in the manufacturing process they can check the right machine.

Great, now I can sleep tonight. You, or someone, posted that earlier.

One more thing . . . Are the slides machined from bar stock or castings?

My guess is bar stock with a vapor blast on the outside.

I can sleep not knowing the answer to that.

Thanks-

 

[shawn mccarver]

They identify either the machine or the vendor who made the slide.

 

[Model 15-4ever]

You mean they're not lubrication points... one drop of oil in each dot and you are good to go.