Embed Size (px)
DESCRIPTION
ACM Threads
Citation preview
Stub ACME Thread ANSI/ASME B1.8-1977
Specifications of International Thread Standards
Main page
Donate
Specifications
Camera mount Thread
ISO Fine Thread (metric)
ISO Coarse Thread (metric)
PG Thread
S. & H. Thread
Edison Thread
Glass Thread
Valve Thread
Sewing-machine Thread
Cycle Thread
C. E. I. Thread
Löwenherz Thread
Bodmer Thread
French Thread
VDI Thread
Whitworth Fine DIN 239
Whitworth Fine DIN 240
Whitworth Fine DIN LON 282
Whitworth Fine DIN LON special
Whitworth Fine DIN LON 286
Whitworth Fine DIN LON 287
Knuckle Thread DIN 405
Knuckle Thread DIN 20400
Buttress Fine Thread
Buttress Coarse Thread
Trapezoidal Fine Thread
Trapezoidal Coarse Thread
NPT Thread (USA)
NPTF Thread (USA)
UNC Thread (USA)
UNEF Thread (USA)
UNF Thread (USA)
UNR Thread (USA)
UNS Thread (USA)
8-UN Thread (USA)
12-UN Thread (USA)
16-UN Thread (USA)
ACME Thread (USA)
» STUB ACME Thread (USA)
Sharp V Thread (USA)
ME Model Engineer Thread (GB)
BA British Association (GB)
BSB British Standard Brass (GB)
Stub ACME Thread ANSI/ASME B1.8-1977
The ACME thread was developed as a compromise, to offer better strength than a V-form while overcoming the problems with the square thread
form.
Diameter "
Diameter mm
Tapping Drill Size mm
TPI Pitch mm
1/4" - 16 STUB ACME 6,350 5,398 16 1,588
5/16" - 14 STUB ACME 7,938 6,123 14 1,814
3/8" - 12 STUB ACME 9,525 8,255 12 2,117
7/16" - 12 STUB ACME 11,112 9,843 12 2,117
1/2" - 10 STUB ACME 12,700 11,176 10 2,540
5/8" - 8 STUB ACME 15,875 13,970 8 3,175
3/4" - 6 STUB ACME 19,050 16,510 12 2,117
7/8" - 6 STUB ACME 22,225 19,685 6 4,233
1" - 5 STUB ACME 25,400 22,352 5 5,080
1 1/8" - 5 STUB ACME 28,575 25,527 5 5,080
1 1/4" - 5 STUB ACME 31,750 28,702 5 5,080
1 3/8" - 4 STUB ACME 34,925 31,115 4 6,350
1 1/2" - 4 STUB ACME 38,100 34,290 4 6,350
1 3/4" - 4 STUB ACME 44,450 40,640 4 6,350
2" - 4 STUB ACME 50,800 46,990 4 6,350
2 1/4" - 3 STUB ACME 57,150 52,070 3 8,467
2 1/2" - 3 STUB ACME 63,500 58,420 3 8,467
2 3/4" - 3 STUB ACME 69,850 64,770 3 8,467
3" - 2 STUB ACME 76,200 68,580 2 12,700
3 1/2" - 2 STUB ACME 88,900 81,280 2 12,700
4" - 2 STUB ACME 101,600 93,980 2 12,700
4 1/2" - 2 STUB ACME 114,300 106,680 2 12,700
5" - 2 STUB ACME 127,000 119,380 2 12,700
Page 1 of 2American National Stub ACME Screw Thread ANSI/ASME B1.8-1977
19-Mar-15mhtml:file://E:\DATA\○\study\threads\American National Stub ACME Screw Thread AN...
