Welcome to the official website of King Seven Industry (Hangzhou) Co., Ltd.

Company Address：2nd Floor, Building 3, No. 17, Yijiang Road, Nongfa District, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province

King Seven Industry (Hangzhou) Co., Ltd.
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Perfect quality management system

Service providers for sheet metal industry

Service Hotline:

15757497169 / 15868347830

King Seven Industry (Hangzhou) Co., Ltd.
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Technical support

*Kind reminder: You can press Ctrl+F to search for the file you want to download*
GB 8-1988 Square head bolts Grade C.pdf
51.2KB
GB 10-1988 Countersunk Square Neck Bolts.pdf
40.96KB
GB 11-1988 Countersunk head bolts with tenon.pdf
51.2KB
GB 12-1988 Round head square neck bolts.pdf
61.44KB
GB 13-1988 Round head bolts with tenon.pdf
81.92KB
GB 15-1988 Large round head bolts with tenon.pdf
51.2KB
German DIN standard parts ISO and national standard comparison table.xls
81.92KB
GB 27-1988 Hexagon head bolts for reamed holes, grades A and B.pdf
102.4KB
GB 28-1988 Hexagon head screw with hole for reaming holes Grade A and B.pdf
51.2KB
GB 29.1-1988 Hexagon head bolts with slots, grades A and B.pdf
20.48KB
King Seven Product Catalog (Fourth Edition, 2023).pdf
6758.4KB

Contact us

Contact: Mr. Li +86 15757497169

Contact: Mr. Wang +86 15868347830

Email: liyuhua_qx@126.com

Address: 2nd Floor, Building 3, No. 17, Yijiang Road, Nongfa District, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province

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