CE Certified Fasteners Bolt, Nuts & Screw

DIN 6921

Hexagon Flange Bolts Metric

Metric DIN 6921 Hexagon Flange Bolts are machine threaded bolts that have a circular washer like flange under the head that increases the bearing surface to distribute the load when the bolt is fastened to the substrate. DIN 6921 Hexagon Flange Bolts are available with and without serrations. BRK Industries offers the following sizes for immediate delivery from stock: Diameters ranging from M5 to M12 and up to 150mm long and available in A2 and marine grade A4 stainless steel. View available parts by clicking on the following link: Hexagon Flange Bolts DIN 6921 

  • DIN 6921 Hexagon Flange Bolts Metric​
  • Material Grade: 8.8, 10.9
  • Finish: BZP, HOT DIP GALV.
  • Thread: METRIC

Technical Specification for DIN-6921- Hexagon Flange Bolts Metric

Nom. Dia. (d) M6 M8 M10 M12 M14 M16 M20
Thread Pitch 1 1.25 1.5 1.75 2 2 2.5
Thread Length (b) L < 125mm 18 22 26 30 34 38 46
125-200mm 28 32 36 40 44 52
L > 200mm 45 49 53 57 65
ds Min. 6 8 10 12 14 16 20
Max. 5.82 7.78 9.78 11.73 13.73 15.73 19.67
K Max. 6.6 8.1 9.2 11.5 12.8 14.4 17.1
Flange Diameter 14.2 18 22.3 26.6 30.5 35 43
e Min. 10.95 14.26 16.5 17.62 19.86 23.15 29.87
s Min. 9.78 12.73 14.73 15.73 17.73 20.67 26.67
Max. 10 13 15 16 18 21 27
Scroll to Top