GB/T 38987-2020
Cemented carbide rods with helical coolant holes (English Version)

Standard No.

GB/T 38987-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 38987-2020

Scope

This standard specifies the classification and presentation of cemented carbide spiral hole rods, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage quality certificates and purchase orders (or contracts). This standard is applicable to the processing of cemented carbide spiral hole rods for cutting tools with internal cooling holes (hereinafter referred to as "spiral hole rods").

GB/T 38987-2020 Referenced Document

• GB/T 1800.2 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
• GB/T 5242 Inspection rules and test methods of cemented carbide products
• GB/T 5243 Marking,packing,transport and storage of cemented carbide products

GB/T 38987-2020 history

• 2020 GB/T 38987-2020 Cemented carbide rods with helical coolant holes