Sign In |Help & Support
HOMECHINA STANDARDSICS CLASSIFICATIONINDUSTRY CLASSIFICATIONCHINESE CLASSIFICATIONCART(0)
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)
center drills center drill size technical specifications scopethis standard technical requirements center thin silicon dioxide layer computing trusted crypto support platform function textiles-heat release
  1. HOME
  2. GB/T 6078.4-1998 in English
GB/T 6078.4-1998 in English

GB/T 6078.4-1998 in English

SUPERSEDED

Center drills. Part 4: Technical specifications

  • Issued on:1998-01-01
  • Implemented on:1999-09-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD)： $130.00
$127.00
Standard No: GB/T 6078.4-1998
Document status: SUPERSEDED
Superseded by: GB/T 6078-2016 Centre drills
Superseded on: 2016-09-01
Title in English: Center drills. Part 4: Technical specifications
Title in Chinese: 中心钻 第4部分:技术条件
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1998-01-01
Implemented on: 1999-09-01
Superseding: GB 6078-1985 Centre drills
ICS Classification: 25.100.30-Drills, countersinks, reamers
Chinese Classification: J41-Cutting tools
Professional Classification: GB-National Standard
Related Keywords: center drills
center drill size
technical specifications scopethis standard
technical requirements
center
Related Topics: hplc center technology
intermediate conditions stakeout conditions
Technology Center Customs
Center blowback technology
liquid center technology
Chromatography Center Technology
Center Technical Chromatography
Tech Center Changes
Technology Center Program
Technology Center Fee
Technology Transfer Center Program
Technology Center Slogan
Technology Transfer Center Program
GB/T 6078.4
GB/T 6078.4-1998
Center drill execution

《GB/T 6078.4-1998中心钻 第4部分:技术条件》由TC91（全国刀具标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了中心钻的尺寸、材料和硬度、外观和表面粗糙度、性能试验及标志和包装的技术要求。本标准适用于按GB/T 6078.1、GB/T 6078.2、GB/T 6078.3生产的中心钻。


Scope

This standard specifies the technical requirements for center drill size, material and hardness, appearance and surface roughness, performance test, marking and packaging. This standard is applicable to center drills produced according to GB/T6078.1, GB/T6078.2 and GB/T6078.3.

More samples: JC/T 2453-2018 NB/T 47013.2-2015 JJG 21-2008
Sample only — not a preview of GB/T 6078.4-1998
Page: 1 / 0
100%

Loading PDF document...

Error loading PDF. Please make sure the file is valid and try again.

We also recommend

All Rights Reserved © 2026 WWW.CHINASTANDARDS.NET visa master american express unionpay apple pay paypal google pay