上海東螺實業服務業屆多年,誠實守信,顧客至上,供應12.9級滾花高品質高要求內六角圓柱頭螺絲,詳細如下:

★標準號:DIN912，GB70-85,內六角螺絲,

★也可訂做生產12.9級細牙或非標準內六角圓柱頭螺絲DIN912,

★特色:頭部滾花內六角；特色為大和長。

★性能級別：12.9級；合金鋼SCM435,SCM440

★規 格：M16-M72....

常生產以下12.9級滾花內六角DIN912,GB70-2000,超長規格,其中有大部分規格有現貨:

M16*210,220,230,240,250,260,270,280,290,300....

M20*210,220,230,240,250,260,270,280,290,300....

M24*120,125,130,135,140,145,150,160,170,180,190,200,210,220,230,240,250,260,270,280,290....370....

M27*170,260....

M30*100,105,110,115,120,125,130,135,140,145,150,160,170,180,190,200,210,220,230,240,250,260,270,280,290,300,310,320,330,340,350...

M36*120,130,140,150,160,170,180,190,200,210,220,230,240,250,260,270,280,290,300,310,320,330,340,350,360....

M42*110....

.......

★品質：所生產的高強度10.9級,12.9級大規格公制內六角螺絲,廠部均按ISO9001-2000國際體系認證生產,產品美觀！精心制造！檢測嚴格！質量保證！特別受那些高要求的客戶歡迎，優價供應！量大優惠！