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JB/T 8825.4-1998 JB/T 8825.4-1998 Whitworth threaded nut tap JB/T8825.4-1998 Standard download decompression password: www.bzxz.ne
JB/T 8825.3-1998 The dimensional accuracy and geometric tolerances of this standard are formulated with reference to the British S
JB/T 8825.2-1998 This standard is formulated with reference to the relevant parts of British Standard BS 949.2-1979 "Specification
JB/T 5525.1-1998 JB/T 8825.1-1998 Whitworth thread tap JB/T8825.1-1998 Standard download decompression password: www.bzxz.net
This standard specifies the type and size, technical requirements, marking and basic packaging requirements of unified thread roll
This standard specifies the basic requirements for the type, size, technical requirements, marking and packaging of unified thread
This standard specifies the type and size of unified thread round die (hereinafter referred to as round die), technical requiremen
This standard specifies the basic requirements for the type, size and marking of unified thread nut taps (hereinafter referred to