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Hexalobular Socket Head Cap Screw

ISO 14579 (Current)

Material
Stainless Steel, Carbon Steel, Alloy Steel
Property Class
8.8, A2-70, A4-80, 10.9
Finish
Passivated, Plain, Blackened, Zinc Plated
Size range
M2–M20
TDSHexalobular Socket Head Cap Screw ISO 14579 - ISO 14579Download PDF
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Select sizes and quantities — 119 confirmed sizes to ISO 14579

Material
Grade
Stainless SteelCarbon SteelAlloy Steel
Finish
dNominal Diameter (mm)lLength (mm)bThread Length (mm)PThread Pitch (mm)dkHead Diameter (mm)kNominal Head Height (mm)MOQQuantity and inquiry
M2660.43.821000
M2880.43.821000
M210100.43.821000
M212120.43.821000
M216160.43.821000
M220160.43.821000
M2.5660.454.52.51000
M2.5880.454.52.51000
M2.510100.454.52.51000
M2.512120.454.52.51000
M2.516160.454.52.51000
M2.520170.454.52.51000
M2.525170.454.52.51000
M3660.55.531000
M3880.55.531000
M310100.55.531000

Showing 16 of 119 sizes

M2 × 6 × 6 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)6
bThread Length (mm)6
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2 × 8 × 8 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)8
bThread Length (mm)8
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2 × 10 × 10 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)10
bThread Length (mm)10
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2 × 12 × 12 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)12
bThread Length (mm)12
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2 × 16 × 16 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)16
bThread Length (mm)16
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2 × 20 × 16 × 0.4 × 3.8 × 2 × 3.62 × 1.86 × 0.1 × 6 × 1.75 × 0.84 × 0.71

dNominal Diameter (mm)M2
lLength (mm)20
bThread Length (mm)16
PThread Pitch (mm)0.4
dkHead Diameter (mm)3.8
kNominal Head Height (mm)2
MOQ1000

M2.5 × 6 × 6 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)6
bThread Length (mm)6
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 8 × 8 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)8
bThread Length (mm)8
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 10 × 10 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)10
bThread Length (mm)10
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 12 × 12 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)12
bThread Length (mm)12
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 16 × 16 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)16
bThread Length (mm)16
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 20 × 17 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)20
bThread Length (mm)17
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M2.5 × 25 × 17 × 0.45 × 4.5 × 2.5 × 4.32 × 2.36 × 0.1 × 8 × 2.4 × 1.04 × 0.91

dNominal Diameter (mm)M2.5
lLength (mm)25
bThread Length (mm)17
PThread Pitch (mm)0.45
dkHead Diameter (mm)4.5
kNominal Head Height (mm)2.5
MOQ1000

M3 × 6 × 6 × 0.5 × 5.5 × 3 × 5.32 × 2.86 × 0.1 × 10 × 2.8 × 1.27 × 1.01

dNominal Diameter (mm)M3
lLength (mm)6
bThread Length (mm)6
PThread Pitch (mm)0.5
dkHead Diameter (mm)5.5
kNominal Head Height (mm)3
MOQ1000

M3 × 8 × 8 × 0.5 × 5.5 × 3 × 5.32 × 2.86 × 0.1 × 10 × 2.8 × 1.27 × 1.01

dNominal Diameter (mm)M3
lLength (mm)8
bThread Length (mm)8
PThread Pitch (mm)0.5
dkHead Diameter (mm)5.5
kNominal Head Height (mm)3
MOQ1000

M3 × 10 × 10 × 0.5 × 5.5 × 3 × 5.32 × 2.86 × 0.1 × 10 × 2.8 × 1.27 × 1.01

dNominal Diameter (mm)M3
lLength (mm)10
bThread Length (mm)10
PThread Pitch (mm)0.5
dkHead Diameter (mm)5.5
kNominal Head Height (mm)3
MOQ1000

Product details

Description
This hexalobular socket head cap screw is manufactured to ISO 14579. It features a cylindrical head with an internal hexalobular drive, designed for applications where a low-profile, tamper-resistant fastening is required. The screw is available in metric diameters from M2 to M20, in carbon steel grades 8.8 and 10.9, and stainless steel grades A2-70 and A4-80. Surface finishes include blackened, zinc plated, plain, and passivated. When requesting a quotation, specify the diameter, length, material, grade, and finish required.
Features
Cylindrical head with internal hexalobular drive · Threaded over the full length up to the head · Available in M2 to M20 diameters · Supplied in carbon steel and stainless steel with multiple finish options
Applications
Machine tool and jig assembly, Compact joints where a counterbored seat is used, Automation and equipment frames, Mould and die assembly

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 Hexalobular Socket Head Cap Screw do you supply?

Execution standard: ISO 14579. The confirmed specification table covers M2–M20 diameters and 6–120 lengths. Use the specification table to select the exact variant required for quotation.

Which materials, grades and finishes can I order?

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

Where are these cap screws typically used?

Typical applications include Machine tool and jig assembly, Compact joints where a counterbored seat is used, Automation and equipment frames, Mould and die assembly. Final suitability depends on the selected material, grade, finish and operating conditions.

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