This Standard specifies terms and definitions, models and basic parameters, technical requirements, test methods, inspection rules as well as marks, packaging, transport and storage for down-the-hole hammers and bits. This Standard is applicable to down-the-hole hammers and bits that are powered by compressed air or a mixed medium of compressed air and water.
Basic Data
Standard ID
GB/T 13344-2019 (GB/T13344-2019)
Description (Translated English)
Down-the-hole hammers and bits
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
D92
Classification of International Standard
73.100.10
Word Count Estimation
14,185
Date of Issue
2019-08-30
Date of Implementation
2020-03-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
