U.S. & Metric Thread Measuring Wire Sets, #EG06-1002


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Description

U.S. & Metric Thread Measuring Wire Sets, #EG06-1002

  • 48 pieces 16 different sizes for all 60 threads.
  • Measures all threads from 3 to 48 threads per inch and all metric from 0.5mm to 6mm pitch.
  • 3 wire method of measuring external threads.
  • Wires are fitted in a plastic case stamped with sizes.
  • Laminated chart complied from the U.S. Standard
  • Handbook H.28. gives proper sizes & measurements over wires.
  • Comes with 4 wire holders
  • Each holder has 2 pair of holes
  • Each pair of holes for different size of wire
  • Make pitch diameter measuring much easier

EG06-1002

EG06-1002 Features

EG06-1002-3-WIRE-METHOD-SCHEMA

3-wire-method of checking pitch diameter of screw threads

  • M: measurement over wires
  • E: pitch diameter of thread
  • D: basic major or outside diameter
  • W: wire diameter
  • P: thread pitch
  • M = E +Const
  • E = M - Const
  • Const.= 3W-86603p (found in chart)

* The maximum and minimum pitch diameter(E) for each class of thread can be found in machinery handbook

 

Conversion Chart

Conversion Chart For 60° Metric Threads

Thread Chart for All U.S. 60° Threads

PITCH
MM
WIRE SIZE ADD CONSTANT
MM INCH MM INCH MM INCH
0.5 .4572 .0180 .6138 .02417 .9386 .03695
0.6 .4572 .0180 .4623 .01820 .8520 .03354
0.7 .4572 .0180 .3107 .01223 .7654 .03013
0.75 .4572 .0180 .2349 .00925 .7221 .02843
0.8 .6096 .0240 .6164 .02427 1.1360 .04472
1.0 .6096 .0240 .3133 .01233 .9628 .03790
1.25 .7366 .0290 .3154 .01242 1.1273 .04438
1.5 1.0160 .0400 .7747 .03050 1.7490 .06886
1.75 1.0160 .0400 .3958 .01558 1.5324 .06033
2.0 1.1430 .0450 .3979 .01567 1.6969 .06681
2.5 1.3970 .0550 .4021 .01583 2.0259 .07976
3.0 1.6002 .0630 .2540 .01000 2.2025 .08671
3.5 2.0574 .0810 .8678 .03416 3.1411 .12367
4.0 2.3368 .0920 .9482 .03733 3.5463 .13952
4.5 2.7432 .1080 1.4096 .05550 4.3325 .17057
5.0 2.7432 .1080 .6519 .02566 3.8995 .15352
5.5 3.0480 .1200 .8085 .03183 4.3808 .17247
6.0 3.2258 .1270 .5841 .02300 4.4812 .17643

Select the proper wire size for either the number of threads per inch (US) or thread pitch (Metric)Metric
Measured pitch die (E) equals measurement over wires(M) minus decimal in “CONST” column
Note: Basic P.D. equals basic major diameter plus decimal in “ADD” column minus decimal in “CONST” column

THREADS
PER IN.
WIRE SIZE ADD CONST THREADS
PER IN.
WIRE
SIZE
ADD CONST
48 .018 .02243 .03596 11 1/2 .055 .03321 .08969
44 .018 .01956 .03432 11 .055 .02722 .08627
40 .018 .01611 .03235 10 .055 .01345 .07840
36 .018 .01190 .02994 9 .063 .02061 .09277
32 .024 .02464 .04494 8 .072 .02656 .10775
28 .024 .01787 .04107 7 1/2 .081 .04093 .12753
27 .024 .01587 .03993 7 .081 .02649 .11928
24 .029 .02385 .05092 6 .092 .02341 .13166
20 .029 .01122 .04370 5 1/2 .108 .04845 .16654
18 .032 .01180 .04789 5 .120 .05689 .18679
16 .040 .02528 .06587 4 1/2 .127 .04421 .18855
14 .040 .01175 .05814 4 .143 .05011 .21249
13 .045 .01842 .06838 3 1/2 .185 .12199 .30756
12 .055 .03870 .09283 3 .185 .04982 .26632

1 inch = 25.4mm

1 mm = .03937 inch

 

 

 

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