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Hexalobular Socket Pan Head Tapping Screw

ISO 14585 (Current)

Material
Stainless Steel, Carbon Steel
Finish
Passivated, Plain, Zinc Plated, Dacromet
Size range
ST2.9, ST3.5, ST4.2 + 3 more
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Select sizes and quantities — 24 confirmed sizes to ISO 14585

Material
Finish
dNominal Diameter (mm)lLength (mm)PThread Pitch (mm)kNominal Head Height (mm)aThread Runout (max) (mm)daUnderhead Diameter (max) (mm)MOQQuantity and inquiry
ST2.9161.12.41.13.53000
ST2.9251.12.41.13.53000
ST2.9451.12.41.13.53000
ST2.9501.12.41.13.53000
ST3.5161.32.61.34.13000
ST3.5251.32.61.34.13000
ST3.5451.32.61.34.13000
ST3.5501.32.61.34.13000
ST4.2161.43.11.44.93000
ST4.2251.43.11.44.93000
ST4.2451.43.11.44.93000
ST4.2501.43.11.44.93000
ST4.8161.63.71.65.63000
ST4.8251.63.71.65.63000
ST4.8451.63.71.65.63000
ST4.8501.63.71.65.63000

Showing 16 of 24 sizes

ST2.9 × 16 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 10 × 2.8 × 1.27 × 1.01 × 2.6 × 2.1 × 15.2 × 16.8

dNominal Diameter (mm)ST2.9
lLength (mm)16
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ3000

ST2.9 × 25 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 10 × 2.8 × 1.27 × 1.01 × 2.6 × 2.1 × 24.2 × 25.8

dNominal Diameter (mm)ST2.9
lLength (mm)25
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ3000

ST2.9 × 45 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 10 × 2.8 × 1.27 × 1.01 × 2.6 × 2.1 × 43.7 × 46.3

dNominal Diameter (mm)ST2.9
lLength (mm)45
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ3000

ST2.9 × 50 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 10 × 2.8 × 1.27 × 1.01 × 2.6 × 2.1 × 48.7 × 51.3

dNominal Diameter (mm)ST2.9
lLength (mm)50
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ3000

ST3.5 × 16 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 15 × 3.35 × 1.4 × 1.14 × 3.2 × 2.5 × 15.2 × 16.8 × 2.7

dNominal Diameter (mm)ST3.5
lLength (mm)16
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ3000

ST3.5 × 25 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 15 × 3.35 × 1.4 × 1.14 × 3.2 × 2.5 × 24.2 × 25.8 × 2.7

dNominal Diameter (mm)ST3.5
lLength (mm)25
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ3000

ST3.5 × 45 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 15 × 3.35 × 1.4 × 1.14 × 3.2 × 2.5 × 43.7 × 46.3 × 2.7

dNominal Diameter (mm)ST3.5
lLength (mm)45
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ3000

ST3.5 × 50 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 15 × 3.35 × 1.4 × 1.14 × 3.2 × 2.5 × 48.7 × 51.3 × 2.7

dNominal Diameter (mm)ST3.5
lLength (mm)50
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ3000

ST4.2 × 16 × 1.4 × 3.1 × 1.4 × 4.9 × 8 × 7.64 × 2.8 × 0.2 × 6.5 × 20 × 3.95 × 1.8 × 1.42 × 3.7 × 2.8 × 15.2 × 16.8 × 3.2

dNominal Diameter (mm)ST4.2
lLength (mm)16
PThread Pitch (mm)1.4
kNominal Head Height (mm)3.1
aThread Runout (max) (mm)1.4
daUnderhead Diameter (max) (mm)4.9
MOQ3000

ST4.2 × 25 × 1.4 × 3.1 × 1.4 × 4.9 × 8 × 7.64 × 2.8 × 0.2 × 6.5 × 20 × 3.95 × 1.8 × 1.42 × 3.7 × 2.8 × 24.2 × 25.8 × 3.2

dNominal Diameter (mm)ST4.2
lLength (mm)25
PThread Pitch (mm)1.4
kNominal Head Height (mm)3.1
aThread Runout (max) (mm)1.4
daUnderhead Diameter (max) (mm)4.9
MOQ3000

ST4.2 × 45 × 1.4 × 3.1 × 1.4 × 4.9 × 8 × 7.64 × 2.8 × 0.2 × 6.5 × 20 × 3.95 × 1.8 × 1.42 × 3.7 × 2.8 × 43.7 × 46.3 × 3.2

dNominal Diameter (mm)ST4.2
lLength (mm)45
PThread Pitch (mm)1.4
kNominal Head Height (mm)3.1
aThread Runout (max) (mm)1.4
daUnderhead Diameter (max) (mm)4.9
MOQ3000

ST4.2 × 50 × 1.4 × 3.1 × 1.4 × 4.9 × 8 × 7.64 × 2.8 × 0.2 × 6.5 × 20 × 3.95 × 1.8 × 1.42 × 3.7 × 2.8 × 48.7 × 51.3 × 3.2

dNominal Diameter (mm)ST4.2
lLength (mm)50
PThread Pitch (mm)1.4
kNominal Head Height (mm)3.1
aThread Runout (max) (mm)1.4
daUnderhead Diameter (max) (mm)4.9
MOQ3000

ST4.8 × 16 × 1.6 × 3.7 × 1.6 × 5.6 × 9.5 × 9.14 × 3.4 × 0.2 × 8 × 25 × 4.5 × 2.03 × 1.65 × 4.3 × 3.2 × 15.2 × 16.8 × 3.6

dNominal Diameter (mm)ST4.8
lLength (mm)16
PThread Pitch (mm)1.6
kNominal Head Height (mm)3.7
aThread Runout (max) (mm)1.6
daUnderhead Diameter (max) (mm)5.6
MOQ3000

ST4.8 × 25 × 1.6 × 3.7 × 1.6 × 5.6 × 9.5 × 9.14 × 3.4 × 0.2 × 8 × 25 × 4.5 × 2.03 × 1.65 × 4.3 × 3.2 × 24.2 × 25.8 × 3.6

dNominal Diameter (mm)ST4.8
lLength (mm)25
PThread Pitch (mm)1.6
kNominal Head Height (mm)3.7
aThread Runout (max) (mm)1.6
daUnderhead Diameter (max) (mm)5.6
MOQ3000

ST4.8 × 45 × 1.6 × 3.7 × 1.6 × 5.6 × 9.5 × 9.14 × 3.4 × 0.2 × 8 × 25 × 4.5 × 2.03 × 1.65 × 4.3 × 3.2 × 43.7 × 46.3 × 3.6

dNominal Diameter (mm)ST4.8
lLength (mm)45
PThread Pitch (mm)1.6
kNominal Head Height (mm)3.7
aThread Runout (max) (mm)1.6
daUnderhead Diameter (max) (mm)5.6
MOQ3000

ST4.8 × 50 × 1.6 × 3.7 × 1.6 × 5.6 × 9.5 × 9.14 × 3.4 × 0.2 × 8 × 25 × 4.5 × 2.03 × 1.65 × 4.3 × 3.2 × 48.7 × 51.3 × 3.6

dNominal Diameter (mm)ST4.8
lLength (mm)50
PThread Pitch (mm)1.6
kNominal Head Height (mm)3.7
aThread Runout (max) (mm)1.6
daUnderhead Diameter (max) (mm)5.6
MOQ3000

Product details

Description
Hexalobular socket pan head tapping screw with a self-tapping thread. The pan head provides a low profile with a flat bearing surface, and the hexalobular drive allows positive tool engagement during installation. The thread is formed for direct tapping into prepared holes. Available in stainless steel and carbon steel, with passivated, plain, zinc plated, or Dacromet finish. Specify diameter, length, material, and finish when requesting a quotation.
Features
Pan head with flat bearing surface · Hexalobular socket drive · Self-tapping thread for direct installation · Available in ST2.9 and ST3.5 diameters, lengths 16–50 mm, four finishes
Applications
Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication

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 ISO 14585 self-tapping screws do you supply?

Execution standard: ISO 14585. The confirmed specification table covers 2.9–6.3 diameters and 16–50 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; Finish: Passivated, Plain, Zinc Plated, Dacromet. Availability should be confirmed against the selected specification and order quantity.

Where are these self-tapping screws typically used?

Typical applications include Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication. Final suitability depends on the selected material, grade, finish and operating conditions.

Quote Hexalobular Socket Pan Head Tapping Screw

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