Threading Guide
0.530
MIN.
0.56 MINIMUM PROTRUSION
FROM SLIDE
.025 X 45°
0.438-0.625
0.450
+
-
0.000
0.005
A
THREAD (SEE CHART)
MAJOR Ø (SEE CHART)
PITCH Ø (SEE CHART)
MINOR Ø (SEE CHART)
0.003
A
0.0005
A
A
2X R0.016
0.005
X 45
0.060
DETAIL A
SCALE 8 : 1
NOTES:
1) THIS THREAD GUIDE DETAILS 1/2-32 AND 1/2-36 THREADS FOR CENTERFIRE PISTOL CALIBER HOSTS. THE 1/2-32 THREAD IS COMMONLY FOUND ON H&K 9mm SMG'S.
THE 1/2-36 THREAD IS FOUND ON COLT AND COLT STYLE 9mm AR'S. USE THE SHORTER THREAD LENGTH (.438) FOR USE WITH PISTOL BARRELS. USE THE LONGER
LENGTH FOR RIFLE/CARBINE/SMG BARRELS.
THREAD
0.5000-32-UN-2A
0.5000-36-UNS-2A
MAJOR Ø
0.4990-0.4930 0.4990-0.4935
PITCH Ø
0.4787-0.4752 0.4810-0.4777
MINOR Ø
0.4652-0.4549 0.4689-0.4596
THREAD RELIEF Ø
0.450 +0.000/-0.005 0.450 +0.000/-0.005
D
C
B
A
A
B
C
D
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
TITLE:
SIZE:
"B"
PART
NO.:
SCALE:
SHEET:
7 OF 19
THREAD GUIDE
4:1
MLS
03/13
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS DRAWING IS THE
SOLE PROPERTY OF ADVANCED ARMAMENT
CORPORATION. ANY REPRODUCTION IN PART OR AS A
WHOLE WITHOUT THE WRITTEN PERMISSION OF
ADVANCED ARMAMENT CORPORATION IS PROHIBITED.
REV:
DATE:
DRAWN
BY:
Advanced Armament Corp.
2408 TECH CENTER PARKWAY, SUITE 150
LAWRENCEVILLE, GA 30043 - 770-925-9988
WWW.ADVANCED-ARMAMENT.COM
1/2-32-UN-2A AND
1/2-36-UNS-2A THREADS
FOR CENTERFIRE PISTOLS
01
.X
0.1
.XX
0.01
.XXX
0.005
.XXXX
0.0005
ANGLES
0.5
FILLET RADII 0.005-0.010
BREAK EDGE 0.005-0.010
SURFACE FINISH
125
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
GENERAL SPECIFICATION FOR
SMALL ARMS AND AIRCRAFT
ARMAMENT SUBSYSTEMS
(MIL-W-13855) APPLIES.
ASME Y14.5M-1994 APPLIES.