Warren Tactical set screw

**Vega5** · 21-10-2014, 14:53

The size:

5/32 bsw grub screw with 32 TPI ( threads per inch)

**Jpzx12rturbo** · 23-10-2014, 08:00

Originally Posted by spiggs

Either way today I just went with SSP's original suggestion, removed my sights and tapped the bastid. She is now metric

from an earlier post. Done and dusted.

After giving the rep an earful for screwing me around all this time I've done the same.
She's a metric now.

**Dick** · 27-10-2014, 22:49

Originally Posted by Vega5

The size:

5/32 bsw grub screw with 32 TPI ( threads per inch)

I must be careful what I say because I'm not familiar with Warren sights. But if it is American as I suspect, I doubt very much that it is bsw. BSW means British Standard Whitworth. Whitworth threads have a 55 degree included flank angle. Our American friends have confused a lot of things besides language. They use the same TPI (threads per inch) system as the British, but the flank angle is 60 degrees like metric. Consequently they are not interchangeable with either metric or Whitworth threads. That's why I doubt 5/32 bsw. Just drill 'em out and tap them metric !