JB/T 9988.1-1999
Broaching tap for high precision trapezoidal thread Part 1: Type and dimension (English Version)

Standard No.

JB/T 9988.1-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Withdraw

Latest

JB/T 9988.1-1999

Replace

ZB J41002.1-1987

Scope

This standard specifies the types and dimensions of high-precision trapezoidal thread broaching taps. This standard is applicable to high-precision trapezoidal thread broaching taps used for processing trapezoidal threads (according to JB/T 2886-1992 "Technical Conditions for Machine Tool Trapezoidal Screws and Nuts" Class 7, 8, and 9 non-matching nuts).

JB/T 9988.1-1999 history

• 1999 JB/T 9988.1-1999 Broaching tap for high precision trapezoidal thread Part 1: Type and dimension