ring holes

ring holes

[′riŋ ‚hōlz]
(mining engineering)
The group of boreholes radially drilled from a common-center setup.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Slotted clamp ring holes offer extra clearance for mounting hardware, resulting in a noticeably easier installation.
"Slotted clamp ring holes offer 187% extra clearance for mounting hardware, resulting in a noticeably easier installation," explains Matt Wolford, product manager for Dodge couplings.