Chicago ACE. There are others, such as Fort Apex, Fort Gematic, Medeco, Abloy, Mul-T-Lock, AM Lock, Greenwald, Do- minion, Dynalock, Unican, Segal and Pundra and others. Don’t forget about the user-changeable Chicago Flex ACE tubular lock. Some of these use standard Chicago ACE dimensions for their own private-label tubular locks. The most common pin kit (Figure 49) is Figure 47. This smaller SARGENT kit is perfect for those who may only pin an oc- casional SARGENT conventional cylinder from time to time. Figure 48. This lock cylinder is designed with the pin tumblers in a circle, not in a straight line. The patent was established in 1935 for the first ACE tubular lock, the pat- tern for most of those that followed. the CompX-Chicago ACE II Tumbler Ser- vice Kit (D9630). It contains 200 pieces each of: seven top pins, three bottom pins and two tumbler springs. Also included is one assembly pin and one depth key, all in a plastic box. The pin diameter for an original Chicago ACE pin is .078", with an increment drop of .155". Most other pin tumbler diameters range from .077" o .079" for similar types. This CompX kit is a good buy (about Figure 49 Figures 49-50. The CompX-Chicago ACE II Tumbler Service Kit (D9630) is a good buy (about $130 list) if you are pinning and repinning large quantities of ACE locks (Figure 49). If you only run into them occa- sionally and need a smaller kit, LAB offers the LMDACE kit with quantities of 25 each pin (Figure 50). Figure 50 Let’s Get Tubular! ACE-type locks, manufactured by CompX-Chicago, are oſtentimes found in coin-operated laundromats, gaming machines, vending machines, computer locks, RVs, boats, motor homes, bicycle 48 KEYNOTES JANUARY 2017 locks, elevators and money boxes. Tubular locks can be picked by a special tubular lock pick and can be defeated by drilling. Standard tubular-lock drill bit diameters are 0.375" (9.5 mm) and 0.394" (10.0 mm). To prevent drilling, many tubular locks have a middle pin made from hardened steel or contain a ball bearing in the center. CompX/Chicago Lock Co. CompX manufactures the ACE II tubu- lar lock that we use today, oſten called $130 list) if you are pinning and repin- ning large quantities of ACE locks. If you only run into them occasionally and need a smaller kit, LAB offers the LMDACE kit with quantities of 25 each pin (Figure 50). In part two of this article, the author will continue to explore manufacturers’ pin kits, including BEST, Schlage, Master Lock and Yale. illiam M. Lynk, CML, S, ICML, M.Ed. has en a locksmith since 1975 d is the owner of www. Sglobal.com. Bill is an IC specialist, an industry author, the subject matter expert on IC for ALOA, and an ALOA ACE instructor, teaching classes on interchangeable cores and master keying across the country. He has originated SFIC Technical Manuals for both national and international lock manufacturers, and main- tains a working relationship with the major lock and security manufacturers throughout the world. In 2013 and 2015, he was named Keynotes Author of the Year. WWW.ALOA.ORG
