JB/T 11440-2013
Taps with chip removal hole for unified threads (English Version)

Standard No.

JB/T 11440-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

Professional Standard - Machinery

Latest

JB/T 11440-2013

Scope

This standard specifies the basic requirements for the type, size, thread tolerance, technical requirements, marking and packaging of uniform thread content chip taps (hereinafter referred to as taps). This standard is suitable for processing unified thread taps with code numbers 3/4-32UN~6-4UN.

JB/T 11440-2013 Referenced Document

• GB/T 20666 Unified screw threads Tolerances
• GB/T 20667 Unified screw threads-Limits of sizes
• GB/T 20668 Unified screw threads.Basic dimensions
• GB/T 20669 Unified screw threads-Profiles
• GB/T 20670 Unified screw threads-General plan
• GB/T 4267 Rotating tools with parallel shanks-Diameters of shanks and sizes of driving squares

JB/T 11440-2013 history

• 2013 JB/T 11440-2013 Taps with chip removal hole for unified threads