GB/T 3464.1-1994 Machine and hand taps GB/T3464.1-1994 standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China Machine and hand taps GB/T3464.1-94 Replaces GB3464--83 The types and sizes of taps in this standard are equivalent to those of the international standard ISO529-1975 "Short machine taps and hand taps". Subject content and scope of application This standard specifies the basic requirements for the types, sizes and markings of machine taps (high performance grade and ordinary grade) and hand taps. This standard is applicable to machine and hand taps for machining ordinary threads (GB/T192~193, GB/T196~197). Cited standards GB/F 192 GB/T 193 GB/T 196 GB/T197 GB/T 968 GB/T 969 Ordinary thread Ordinary thread Basic tooth profile Diameter and pitch series (diameter 1~600mm) Basic dimensions of ordinary thread (diameter 1~600mm) Tolerances and fits (diameter 1~355mm) Ordinary thread 2 Thread tolerances of taps Technical conditions for taps 3 Types and sizes of tapsbzxz.net 3.1 Thick-shank machine and hand taps shall be in accordance with the provisions of Figure 1 and Tables 1 and 2. Figure 1 Approved by the State Bureau of Technical Supervision on 1994-72.20 185 Implementation on 1995-09-01 M1. 4X0.2 M2.2X0.25 M2.5X0.35 Nominal diameter Nominal diameter GB/T3464.1—94 Tap for coarse thread taps Tap for fine thread taps 3.2 Coarse shank neck machine and hand taps shall comply with the provisions of Figure 2 and Tables 3 and 4. L M3.5X0.35 Nominal diameter Nominal diameter GB/T 3464.1-94 Tap for coarse thread Tap for fine thread M9 X 0.75 Nominal diameter GB/T3464.1--94 Continued Table 4 3.3 The fine-shank machine and hand taps shall comply with the provisions of Figure 3 and Table 5 and Table 6. 58.0 Nominal diameter GB/T 3464.1-94 Tap for coarse thread M3.5X0.35 M4.5×0.5 M10×0.75 Nominal diameter Nominal diameter GB/T 3464.1-94 Continued Table 5 Tap for fine thread M14×1 M22×1 M24×1 M25×2 Nominal diameter GB/T 3464. 1--94 Continued Table 6 M36×2 M40×3 Nominal diameter GB/T 3464.194 Continued Table 6 M45×3 M52×2 M56×2 Nominal diameter GB/T 3464. 1-94 Continued Table 6 M58×4 M60×3 M62×2 M65×2 M65×4 M68×3 Nominal diameter GB/T 3464.1—94 Continued Table 6 M76×1. 5 M806X6 Nominal diameter GB/T 3464.1-94 Continued Table 6 M82×2 M85×2 M85×4 M85×6 M100X2 M100X3 M100X4 M100x6 Nominal diameter Note: Dimensions in brackets should be used as far as possible. ②M14×1.25 is only used for spark plugs. GB/T3464.1--94 Continued Table 6 ③M35×1.5 is only used for rolling bearing locking nuts. ①In Table 3 and Table 4, d2min is the size of the empty slot. It is allowed to have no empty slot. When there is no empty slot, the length of the threaded part should be 1+1/2. 3.4 Taps with a nominal diameter of less than or equal to 8mm can be made into external tips. 3.5 The application range, main deflection angle, and cutting cone length of single and group taps are recommended as shown in Table 7. mm Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.