Hangzhou Quanling Standard Component Co., Ltd.  
Contact Name:Katherine JinPhone:0571-88792667Fax:0571-88791659
Address:Liangzhu Anxi Industrial Park Zipcode:311113
Email:Website: http://www.quanlingscrew.com
DIN|IFI|SP|APP|
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fastener
DIN 968
Cross recessed pan head tapping screws with collar
fastener
DIN 6928
Hexagon washer head tapping screws
fastener
DIN EN ISO 1478 | Replace DIN 7970
Tapping screw threads(ISO 1478:1999)
fastener
DIN EN ISO 10510
Tapping screw and washer assemblies with plain washers(ISO 10510l:1999)