Famous company SpaceX bought a gauge from us on th4.Jun.24. They bought a 4 IN-16 UN 2B THREAD PLUG GAGE GO/NO-GO, CLASS X WITH CALIBRATION CERTIFICATE
itch diameter tolerances and other data for THREAD
PLUG GAGES , class 1B, 2B, 3B, series UNC, UNF, UNEF,
UNF, UNEF, UN, UNJ, UNR, UNS. ASME B1.2-1983 (R2007).
4-16 UN-2B THREAD PLUG GAGE
Number of starts…………………………. 1
Threads per inch…………………………. 16.0000
METRIC INCH
Decimal lead is……………… 1.587500 0.06250
The go major dia. is…………. 101.60000 4.0000
+0.01524 +0.0006
The go pitch dia. is…………. 100.56876 3.9594
+0.01016 +0.00040
The not go major dia. is……… 101.45014 3.9941
-0.01524 -0.0006
The not go pitch dia. is……… 100.76180 3.9670
-0.01016 -0.00040
Pitch dia. tol. for 2B is…….. 0.19304 0.00760
Best wire size is……………. 0.91643 0.036080
Constant is…………………. 1.37483 0.054127
M.O.W. is………………..from 101.94359 4.013527
to 102.13663 4.021127
The helix angle is……………………….. 0.28789
Or if you prefer 0 Degrees 17 Minutes 16 Seconds
These are COMPUTER values………………….
ODD-EVEN rounding was used…………………
Run date is 06-05-24
