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| #255/1409 |
| Term | Definition |
| construction hole | n. a recess or pocket designed to receive ball bearings in lost-ball keying. The size and/or shape of the recess is such that a pin tumbler cannot enter it. |
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Glossary contents Copyright 1989, 1990, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Lock Industry Standards and Training Council (LIST Council)
The original PDF (272k) |
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