JSA JIS B 6339.
Machining Centers - Tool Shanks and Retention Knobs.
Publication date: 1992-01
(Language:
English).
Standard presents
tabulated manufacturing drawings and specifications for BT Shanks.
JSA JIS B
6339. Japanese Standards Association
The BT Flange is also known as
JMTBA MAS-403 "BT"
JIS B 6339 - 1986
JIS B6339 - 1992
ISO 7388/1 - 1983