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Hex Nut, Style 2 (High)

ISO 4033 (Current)

Material
Stainless Steel, Carbon Steel
Property Class
A2-70, A4-80, 6, 8 and more
Finish
Passivated, Plain, Zinc Plated, Hot Dip Galvanized and more
Size range
M5–M36
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Select sizes and quantities — 10 confirmed sizes to ISO 4033

Material
Grade
Stainless SteelCarbon Steel
Finish
dNominal Diameter (mm)PThread Pitch (mm)sWidth Across Flats (max) (mm)eWidth Across Corners (min) (mm)mNut Height (mm)mNut Height (min) (mm)MOQQuantity and inquiry
M50.888.795.14.81000
M611011.055.75.41000
M81.251314.387.57.14600
M101.51617.779.38.94600
M121.751820.031211.57400
M1622426.7516.415.7400
M202.53032.9520.319200
M2433639.5523.922.6200
M303.54650.8528.627.3200
M3645560.7934.733.1200

Showing 10 of 10 sizes

M5 × 0.8 × 8 × 8.79 × 5.1 × 4.8

dNominal Diameter (mm)M5
PThread Pitch (mm)0.8
sWidth Across Flats (max) (mm)8
eWidth Across Corners (min) (mm)8.79
mNut Height (mm)5.1
mNut Height (min) (mm)4.8
MOQ1000

M6 × 1 × 10 × 11.05 × 5.7 × 5.4

dNominal Diameter (mm)M6
PThread Pitch (mm)1
sWidth Across Flats (max) (mm)10
eWidth Across Corners (min) (mm)11.05
mNut Height (mm)5.7
mNut Height (min) (mm)5.4
MOQ1000

M8 × 1.25 × 13 × 14.38 × 7.5 × 7.14

dNominal Diameter (mm)M8
PThread Pitch (mm)1.25
sWidth Across Flats (max) (mm)13
eWidth Across Corners (min) (mm)14.38
mNut Height (mm)7.5
mNut Height (min) (mm)7.14
MOQ600

M10 × 1.5 × 16 × 17.77 × 9.3 × 8.94

dNominal Diameter (mm)M10
PThread Pitch (mm)1.5
sWidth Across Flats (max) (mm)16
eWidth Across Corners (min) (mm)17.77
mNut Height (mm)9.3
mNut Height (min) (mm)8.94
MOQ600

M12 × 1.75 × 18 × 20.03 × 12 × 11.57

dNominal Diameter (mm)M12
PThread Pitch (mm)1.75
sWidth Across Flats (max) (mm)18
eWidth Across Corners (min) (mm)20.03
mNut Height (mm)12
mNut Height (min) (mm)11.57
MOQ400

M16 × 2 × 24 × 26.75 × 16.4 × 15.7

dNominal Diameter (mm)M16
PThread Pitch (mm)2
sWidth Across Flats (max) (mm)24
eWidth Across Corners (min) (mm)26.75
mNut Height (mm)16.4
mNut Height (min) (mm)15.7
MOQ400

M20 × 2.5 × 30 × 32.95 × 20.3 × 19

dNominal Diameter (mm)M20
PThread Pitch (mm)2.5
sWidth Across Flats (max) (mm)30
eWidth Across Corners (min) (mm)32.95
mNut Height (mm)20.3
mNut Height (min) (mm)19
MOQ200

M24 × 3 × 36 × 39.55 × 23.9 × 22.6

dNominal Diameter (mm)M24
PThread Pitch (mm)3
sWidth Across Flats (max) (mm)36
eWidth Across Corners (min) (mm)39.55
mNut Height (mm)23.9
mNut Height (min) (mm)22.6
MOQ200

M30 × 3.5 × 46 × 50.85 × 28.6 × 27.3

dNominal Diameter (mm)M30
PThread Pitch (mm)3.5
sWidth Across Flats (max) (mm)46
eWidth Across Corners (min) (mm)50.85
mNut Height (mm)28.6
mNut Height (min) (mm)27.3
MOQ200

M36 × 4 × 55 × 60.79 × 34.7 × 33.1

dNominal Diameter (mm)M36
PThread Pitch (mm)4
sWidth Across Flats (max) (mm)55
eWidth Across Corners (min) (mm)60.79
mNut Height (mm)34.7
mNut Height (min) (mm)33.1
MOQ200

Product details

Description
This hexagon nut is produced to ISO 4033, the standard for high type (Style 2) nuts. It features a six-sided external shape for tightening with standard wrenches and sockets. The nut is threaded through its full height. Available in metric diameters from M5 to M39, with coarse pitch threads as listed in the standard. Materials include carbon steel in property classes 6, 8, and 10, and stainless steel in grades A2-70 and A4-80. Surface finishes offered are zinc plated, hot dip galvanized, Dacromet, phosphate, blackened, plain, and passivated. When requesting a quotation, specify the diameter, material, grade, and finish required.
Features
Hexagonal external shape for wrench or socket driving · Full-height internal thread from M5 to M39 · Available in carbon steel (classes 6, 8, 10) and stainless steel (A2-70, A4-80) · Supplied with zinc plated, hot dip galvanized, Dacromet, phosphate, blackened, plain, or passivated finish
Applications
General bolted assembly with matching bolts and studs, Steel structure connections, Machinery and equipment 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 Hex Nut, Style 2 (High) do you supply?

Execution standard: ISO 4033. The confirmed specification table covers M5–M36 diameters. 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; Property class: A2-70, A4-80, 6, 8, 10; Finish: Passivated, Plain, Zinc Plated, Hot Dip Galvanized, Dacromet, Phosphate, Blackened. Availability should be confirmed against the selected specification and order quantity.

Where are these nuts typically used?

Typical applications include General bolted assembly with matching bolts and studs, Steel structure connections, Machinery and equipment assembly. Final suitability depends on the selected material, grade, finish and operating conditions.

Quote Hex Nut, Style 2 (High)

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