PDF
GB/T 972-2008 Active
GB/T 972-2008 Thread rolling flat dies
Abstract
This standard specifies the basic requirements for the type and size of thread rolling dies used for ordinary threads, the tooth profile dimensions and tolerances, technical requirements, marking, and packaging. This standard applies to thread rolling dies used for processing ordinary threads (GB/T 192–193, GB/T 196–197). The thread rolling dies are divided into three accuracy grades: 1st, 2nd, and 3rd. The 1st grade is suitable for processing external threads with tolerance grades of 4 and 5; the 2nd grade is suitable for processing external threads with tolerance grades of 5 and 6; and the 3rd grade is suitable for processing external threads with tolerance grades of 6 and 7.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 972-2008 |
| CCS | Knives |
| ICS | Taps and punch dowels |
| Implement Date | 2009-01-01 |
Price
$ 50
Subtotal
$ 50
Tax
$ 0.00
Order Total (incl. tax)
$ 50