Coarse Teeth 75 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
18020-500
8
-
1.25
166.046
50
75
501
60
502
70
503
80
504
90
505
100
506
10
-
1.5
172.360
50
507
60
508
70
509
80
510
90
511
100
512
12
-
1.75
174.818
50
513
60
514
70
515
80
516
90
517
100
518
-
14
2
178.968
50
519
60
520
70
521
80
522
90
523
100
524
16
-
177.566
50
525
60
526
70
527
80
528
90
529
100
530
-
18
2.5
181.580
50
531
60
532
70
533
80
534
90
535
100
536
20
-
185.204
50
537
60
538
70
539
80
540
90
541
100
542
-
22
184.828
50
543
60
544
70
545
80
546
90
547
100
548
24
-
3
178.148
50
549
60
550
70
551
80
552
90
553
100
554
-
27
177.096
50
555
60
556
70
557
80
558
90
559
100
560
30
-
3.5
196.119
50
561
60
562
70
563
80
564
90
565
100
566
-
33
186.392
50
567
60
568
70
569
80
570
90
571
100
572
36
-
4
202.732
50
573
60
574
70
575
80
576
90
577
100
578
-
39
184.330
50
579
60
580
70
581
80
582
90
583
100

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