How thin can a 2.6 mm thick copper wire be stretched? The answer given by Jiaxing Furuixiang Electronics Co., Ltd. is 0.04 mm. If it wasn't for a certain angle of light reflection, I really thought the pulley of the wire drawing machine was idling. How thin can a 2.6 mm thick copper wire be stretched? The answer given by Jiaxing Furuixiang Electronics Co., Ltd. is 0.04 mm. If it wasn't for a certain angle of light reflection, I really thought the pulley of the wire drawing machine was idling. How thin can a 2.6 mm thick copper wire be stretched? The answer given by Jiaxing Furuixiang Electronics Co., Ltd. is 0.04 mm. If it wasn't for a certain angle of light reflection, I really thought the pulley of the wire drawing machine was idling. How thin can a 2.6 mm thick copper wire be stretched? The answer given by Jiaxing Furuixiang Electronics Co., Ltd. is 0.04 mm. If it wasn't for a certain angle of light reflection, I really thought the pulley of the wire drawing machine was idling. How thin can a 2.6 mm thick copper wire be stretched? The answer given by Jiaxing Furuixiang Electronics Co., Ltd. is 0.04 mm. If it wasn't for a certain angle of light reflection, I really thought the pulley of the wire drawing machine was idling.