MT/T 689.1-1997
Replaced
T/EJCCCSE 248-2024
Active
Group standards
T/EJCCCSE 248-2024 End-Expanded Head Drilling Tool
T/EJCCCSE 248-2024 End-Expanded Head Drilling Tool
Price:
$ 20.00
Basic Information
Standard Code:
T/EJCCCSE 248-2024
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
\nTunneling and laying pipeline equipment
Publish Date:
2024-12-26
Implement Date:
2024-12-31
Scope
Main technical content: This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of end-expanded drilling tools. This document is applicable to end-expanded drilling tools used for enlarging holes in geological conditions such as soil layers and rock layers.
Development Information
Related Standards
MT/T 689.2-1997
Replaced
MT/T 689.2-1997 Plough—Specification of type inspection
GB/T 5621-1999
Replaced
GB/T 5621-1999 Test methods of performance for rock drilling machines and pneumatic tools
GB/T 13343-2008
Active
GB/T 13343-2008 Blast hole tricone rock bits
GB/T 5621-2008
Active
GB/T 5621-2008 Test methods of performance for rock drilling machines and pneumatic tools
GB 25518-2010
Active