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Hexagon Flange Bolt with Serrated Flange

DIN 6921 (Historical)Corresponding standard: ISO 4162

Material
Stainless Steel, Alloy Steel, Carbon Steel
Property Class
A2-70, A4-80, 10.9, 4.8 and more
Finish
Passivated, Plain, Zinc Plated, Dacromet and more
Size range
M5–M16
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Select sizes and quantities — 60 confirmed sizes to DIN 6921

Material
Grade
Stainless SteelAlloy SteelCarbon Steel
Finish
dNominal Diameter (mm)lLength (mm)PThread Pitch (mm)sWidth Across Flats (max) (mm)dcFlange Diameter (mm)kNominal Head Height (mm)MOQQuantity and inquiry
M64011014.27.31000
M64511014.27.31000
M65011014.27.31000
M8161.251317.99.41000
M8201.251317.99.41000
M8251.251317.99.41000
M8301.251317.99.41000
M8351.251317.99.41000
M8401.251317.99.41000
M8451.251317.99.41000
M8501.251317.99.41000
M8601.251317.99.41000
M10201.51521.811.4500
M10251.51521.811.4500
M10301.51521.811.4500
M10351.51521.811.4500

Showing 16 of 60 sizes

M6 × 40 × 1 × 10 × 14.2 × 7.3 × 18

dNominal Diameter (mm)M6
lLength (mm)40
PThread Pitch (mm)1
sWidth Across Flats (max) (mm)10
dcFlange Diameter (mm)14.2
kNominal Head Height (mm)7.3
MOQ1000

M6 × 45 × 1 × 10 × 14.2 × 7.3 × 18

dNominal Diameter (mm)M6
lLength (mm)45
PThread Pitch (mm)1
sWidth Across Flats (max) (mm)10
dcFlange Diameter (mm)14.2
kNominal Head Height (mm)7.3
MOQ1000

M6 × 50 × 1 × 10 × 14.2 × 7.3 × 18

dNominal Diameter (mm)M6
lLength (mm)50
PThread Pitch (mm)1
sWidth Across Flats (max) (mm)10
dcFlange Diameter (mm)14.2
kNominal Head Height (mm)7.3
MOQ1000

M8 × 16 × 1.25 × 13 × 17.9 × 9.4 × 16

dNominal Diameter (mm)M8
lLength (mm)16
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 20 × 1.25 × 13 × 17.9 × 9.4 × 20

dNominal Diameter (mm)M8
lLength (mm)20
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 25 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)25
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 30 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)30
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 35 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)35
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 40 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)40
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 45 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)45
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 50 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)50
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M8 × 60 × 1.25 × 13 × 17.9 × 9.4 × 22

dNominal Diameter (mm)M8
lLength (mm)60
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
dcFlange Diameter (mm)17.9
kNominal Head Height (mm)9.4
MOQ1000

M10 × 20 × 1.5 × 15 × 21.8 × 11.4 × 20

dNominal Diameter (mm)M10
lLength (mm)20
PThread Pitch (mm)1.5
sWidth Across Flats (max) (mm)15
dcFlange Diameter (mm)21.8
kNominal Head Height (mm)11.4
MOQ500

M10 × 25 × 1.5 × 15 × 21.8 × 11.4 × 25

dNominal Diameter (mm)M10
lLength (mm)25
PThread Pitch (mm)1.5
sWidth Across Flats (max) (mm)15
dcFlange Diameter (mm)21.8
kNominal Head Height (mm)11.4
MOQ500

M10 × 30 × 1.5 × 15 × 21.8 × 11.4 × 26

dNominal Diameter (mm)M10
lLength (mm)30
PThread Pitch (mm)1.5
sWidth Across Flats (max) (mm)15
dcFlange Diameter (mm)21.8
kNominal Head Height (mm)11.4
MOQ500

M10 × 35 × 1.5 × 15 × 21.8 × 11.4 × 26

dNominal Diameter (mm)M10
lLength (mm)35
PThread Pitch (mm)1.5
sWidth Across Flats (max) (mm)15
dcFlange Diameter (mm)21.8
kNominal Head Height (mm)11.4
MOQ500

Product details

Description
Hexagon flange bolt with a serrated bearing surface, manufactured to DIN 6921. The integrated flange eliminates the need for a separate washer, while the serrations provide vibration resistance. Available in metric diameters M6 to M10 and various lengths, with materials including carbon steel, alloy steel, and stainless steel. Property classes 4.8, 8.8, 10.9, A2-70, and A4-80 are offered, with finishes such as zinc plated, hot dip galvanized, Dacromet, blackened, phosphate, plain, and passivated. For quotation, specify diameter, length, material, grade, and finish.
Features
Serrated flange face for vibration resistance · Integrated flange replaces separate washer · Available in multiple materials and finishes · Metric sizes M6 to M10
Applications
Assemblies subject to vibration, Automotive and vehicle component mounting, Machinery frames where a separate washer is not wanted

Order assurance

Confirmed for the quoted product and order.

Reports & inspection

Agreed in the quotation.

  • EN 10204 3.1 material certificate
  • Dimensional inspection report
  • Certificate of conformity
  • Mechanical test report
  • Chemical analysis report
  • Coating inspection report
  • Batch and lot traceability

Packaging & delivery

Options we supply.

  • Bulk carton packing
  • Small boxes with outer cartons
  • Palletized shipment
  • Fumigation-free pallets
  • Inner poly bags
  • Buyer branding and labels

Product questions

What sizes of Hexagon Flange Bolt with Serrated Flange do you supply?

Execution standard: DIN 6921. The confirmed specification table covers M5–M16 diameters and 10–120 lengths. Use the specification table to select the exact variant required for quotation.

Which materials, grades and finishes can I order?

Material: Stainless Steel, Alloy Steel, Carbon Steel; Property class: A2-70, A4-80, 10.9, 4.8, 8.8; Finish: Passivated, Plain, Zinc Plated, Dacromet, Blackened, Phosphate, Hot Dip Galvanized. Availability should be confirmed against the selected specification and order quantity.

Can I order DIN 6921 against an ISO 4162 drawing?

ISO 4162 is the corresponding standard recorded for DIN 6921 in the TAURUS standard library. Send the drawing with your enquiry: the execution standard is confirmed line by line on the quotation, and any dimension that differs between the two tables is pointed out before the order.

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