drop bolt lock for glass door
drop bolt lock for glass door NI-500AO is an all-metal construction electric bolt with beveled reversible latch bolt special design.The special design of all-metal linkage parts results it can bear with the temperature of 60 ℃ or 20 ℃ below zero .Special adopts 304 stainless steel Bolt by CNC lathe, can withstand 2000kg holding force. drop bolt lock for glass door is very strong and design. FUNCTIONS: Stainless steel deadlatch. 2.Can be electrically operated. 3.Reversible latch bolt for right or left-handed doors. 4.Stainless steel faceplate. 5.Bolt sensor status monitor. 6.Autolock Time Delay: 0,3,6,9sec.