GB/T 5020-2002
Replaced
JC/T 816-2025
Active
Industry standards-Building materials
JC/T 816-2025 Artificial diamond-coated thin-walled drill bit
JC/T 816-2025 Artificial diamond-coated thin-walled drill bit
Price:
$ 20.00
Basic Information
Standard Code:
JC/T 816-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Artificial lens
ICS Name:
Mica-based materials
Publish Date:
2025-04-10
Implement Date:
2025-11-01
Scope
This document specifies the designations and dimensions of artificial thin-walled diamond drill bits, product markings, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage. This document is applicable to artificial thin-walled diamond drill bits used for non-metallic hard and brittle drilling applications in construction and civil engineering, stone, concrete, reinforced concrete, various rocks, quartz glass, fiberglass reinforced plastics, ordinary glass, optical glass, ceramics, refractory materials, etc. (hereinafter referred to as "drill bits").
Development Information
Replace the following standards
JC/T 816-1985
Related Standards
GB/T 5021-2002
Replaced
GB/T 5021-2002 Commutator separators and materials
GB/T 5019-2002
Replaced
GB/T 5019-2002 Insulating materials based on mica—Methods of test
GB/T 5019.1-2009
Active
GB/T 5019.1-2009 Specification for insulating materials based on mica—Part 1:Definitions and general requirements
GB/T 5019.2-2009
Active
GB/T 5019.2-2009 Specification for insulating materials based on mica—Part 2:Methods of test
GB/T 5019.3-2009
Active