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Product name | Hex flange head self drilling screw | |||||||
Related production | Nuts, Bolts, Washers, Screws, Threaded rod, Anchors, Solar energy accessories, Stamping part. | |||||||
Standard | DIN,ASTM,ANSI,JIS,EN ISO,AS,GB | |||||||
Material | Stainless Steel,Alloy Steel,Brass,Aluminum,Monel 400SS201,SS303,SS304,SS316,SS316L,SS904L,SS31803,2205,2507,C276, | |||||||
Surface treatment | Plain,Zinc(white,yellow,blue,black)Hot Dip Galvanized,Black,Nickel plated,Anodization | |||||||
Production process | Cold forging and Hot forging, Machining or Customized fastener | |||||||
Craft characteristic The product surface is smooth without burr and crack, the interface is smooth, the structure is stable, the grinding is careful,and the bearing capacity is even. | ||||||||

d | Pitch P | dc | S | K max | ||||
max | min | max | min | |||||
ST2.2 | 0.8 | 4.5 | 4.1 | 3.00 | 2.86 | 2.2 | ||
ST2.9 | 1.1 | 6.4 | 5.9 | 4.00 | 3.82 | 3.2 | ||
ST3.5 | 1.3 | 7.5 | 6.9 | 5.00 | 4.82 | 3.8 | ||
ST4.2 | 1.4 | 8.5 | 7.8 | 5.50 | 5.32 | 4.3 | ||
ST4.8 | 1.6 | 10.0 | 9.3 | 7.00 | 6.78 | 5.2 | ||
ST5.5 | 1.8 | 11.2 | 10.3 | 7.00 | 6.78 | 6 | ||
ST6.3 | 1.8 | 12.8 | 11.8 | 8.00 | 7.78 | 6.7 | ||
ST8 | 2.1 | 16.8 | 15.5 | 10.00 | 9.78 | 8.6 | ||
ST9.5 | 2.1 | 21.0 | 19.3 | 13.00 | 12.73 | 10.7 | ||





















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