一般现在小区里多数统一配置的锁芯多为防技术开启低的A级或B级防盗锁芯。按照标准规定，A级锁芯防技术开启时间为1分钟，B级锁芯防技术开启时间为5分钟。而短短的几分钟，根本无法对抗现在小偷使用的高智能工具，常见的A级防盗锁芯在反锁的状态下，小偷使用锡纸配合工具，短短几秒就可以开启。超B级锁钥匙形状为单面叶片内铣槽或外铣槽钥匙，锁芯类型为边柱锁芯；经检测270分钟无法技术开启，区域互开率为零（一千六百万分之一）。

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