Coarse Teeth 54 Hole Thread Rolling Dies

●
 
The Thread Rolling Dies are produced according to GB/T
971 standard.
●
 Range supplied: M3 ～ M42x3.
●
 The accuracy grades of the dies are grade 1, 2 and 3. They are respectively used for rolling external thread with grades of 4 or 5, 5 or 6, 6 or 7.

 

Order No. Nominal Thread Dia.
 Pitch Outside Dia. Width Hole Dia.
Series
1
2
18020-391
3
-
0.5
144.738
30
54
392
-
3.5
0.6
143.406
393
4
-
0.7
142.204
394
-
4.5
0.75
140.887
395
5
-
0.8
148.882
396
6
-
1
145.028
30
397
40
398
8
-
1.25
144.482
30
399
40
400
10
-
1.5
145.282
40
401
50
402
12
-
1.75
142.229
40
403
50
404
-
14
2
153.566
50
405
70
406
16
-
148.164
50
407
70
408
-
18
2.5
148.828
60
409
80
410
20
-
148.452
60
411
80
412
-
22
144.076
60
413
80
414
24
-
3
156.096
70
415
90
416
-
27
152.044
70
417
90
418
30
-
3.5
140.665
80
419
100
420
-
33
155.665
80
421
100
422
36
-
4
135.928
80
423
100
424
-
39
147.928
80
425
100

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