【𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝐟𝐨𝐜𝐚𝐥 𝐥𝐞𝐧𝐬】D12 FL50.8mm / D16 FL25.4mm / D18 FL50.8mm focus lens ,Only support this three kind lens ,can not install dia.20mm focus lens ;The mount is also capable of Dia. 20mm reflective mirror
【𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐭 𝐊𝟒𝟎 𝐀𝐜𝐜𝐞𝐬𝐬𝐨𝐫𝐢𝐞𝐬】This nozzle is one of the excellent enhancements to a k40 laser, It fits right on the cutter head, and improves the cut quality as well as preserves the machine.
【𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧】This k40 cutter head can work with K40 engraving machine ,when the fixed bracket to which the moving axis of the cutter is connected is M22 or M23;Pls keep in mind that not all K40 lasers are the same bracketing and setup.
【𝐒𝐮𝐠𝐠𝐞𝐬𝐭𝐢𝐨𝐧】Air-assist connector position ,Suggest 5X8 silicon fles tube (Inner dia.5mm,outer dia.8mm ),since the outer diameter of the air auxiliary connector is 5.3mm
【𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐭𝐢𝐨𝐧】This is a plug and play system if the item can meet your K40 machine; If the air nipple and screw hole not lined up,Please align and screw it,it will be fine;The way to place the different lens: use the ring,install the dia.12 FL50.8mm focus lens; Take away the ring,install the dia.18 FL50.8mm focus lens;install the dia.12 FL50.8mm focus lens(Pls take a look of the dimension picture)