WhatsAppSend RFQ
Menu
Home/Products/Nuts/Hex Nuts/Hex Nut ASME B18.2.2

Hex Nut ASME B18.2.2

ASME B18.2.2 (Current)

Material
Carbon Steel
Property Class
Grade 2, Grade 5
Finish
Zinc Plated, Hot Dip Galvanized, Plain
Size range
1/4-20UNC–7/8-9UNC
Share

Select sizes and quantities — 9 confirmed sizes to ASME B18.2.2

Material
Grade
Finish
dNominal Diameter (in)sWidth Across Flats (max) (in)eWidth Across Corners (min) (in)mNut Height (in)mNut Height (max) (in)dBasic Major Diameter (in)MOQQuantity and inquiry
1/4-20 UNC0.4380.4880.2260.2260.255000
5/16-18 UNC0.50.5570.2730.2730.31255000
3/8-16 UNC0.5630.6280.3370.3370.3755000
7/16-14 UNC0.6880.7680.3850.3850.43753000
1/2-13 UNC0.750.840.4480.4480.53000
5/8-11 UNC0.9381.0510.5590.5590.6252000
3/4-10 UNC1.1251.240.6650.6650.752000
7/8-9 UNC1.3121.4470.7760.7760.8751000
1-8 UNC1.51.6530.8870.88711000

Showing 9 of 9 sizes

1/4-20 UNC × 0.438 × 0.488 × 0.226 × 0.226 × 0.25 × 20 × UNC × 2B × 0.428 × 0.505 × 0.212

dNominal Diameter (in)1/4-20 UNC
sWidth Across Flats (max) (in)0.438
eWidth Across Corners (min) (in)0.488
mNut Height (in)0.226
mNut Height (max) (in)0.226
dBasic Major Diameter (in)0.25
MOQ5000

5/16-18 UNC × 0.5 × 0.557 × 0.273 × 0.273 × 0.3125 × 18 × UNC × 2B × 0.489 × 0.577 × 0.258

dNominal Diameter (in)5/16-18 UNC
sWidth Across Flats (max) (in)0.5
eWidth Across Corners (min) (in)0.557
mNut Height (in)0.273
mNut Height (max) (in)0.273
dBasic Major Diameter (in)0.3125
MOQ5000

3/8-16 UNC × 0.563 × 0.628 × 0.337 × 0.337 × 0.375 × 16 × UNC × 2B × 0.551 × 0.65 × 0.32

dNominal Diameter (in)3/8-16 UNC
sWidth Across Flats (max) (in)0.563
eWidth Across Corners (min) (in)0.628
mNut Height (in)0.337
mNut Height (max) (in)0.337
dBasic Major Diameter (in)0.375
MOQ5000

7/16-14 UNC × 0.688 × 0.768 × 0.385 × 0.385 × 0.4375 × 14 × UNC × 2B × 0.675 × 0.794 × 0.365

dNominal Diameter (in)7/16-14 UNC
sWidth Across Flats (max) (in)0.688
eWidth Across Corners (min) (in)0.768
mNut Height (in)0.385
mNut Height (max) (in)0.385
dBasic Major Diameter (in)0.4375
MOQ3000

1/2-13 UNC × 0.75 × 0.84 × 0.448 × 0.448 × 0.5 × 13 × UNC × 2B × 0.736 × 0.866 × 0.427

dNominal Diameter (in)1/2-13 UNC
sWidth Across Flats (max) (in)0.75
eWidth Across Corners (min) (in)0.84
mNut Height (in)0.448
mNut Height (max) (in)0.448
dBasic Major Diameter (in)0.5
MOQ3000

5/8-11 UNC × 0.938 × 1.051 × 0.559 × 0.559 × 0.625 × 11 × UNC × 2B × 0.922 × 1.083 × 0.535

dNominal Diameter (in)5/8-11 UNC
sWidth Across Flats (max) (in)0.938
eWidth Across Corners (min) (in)1.051
mNut Height (in)0.559
mNut Height (max) (in)0.559
dBasic Major Diameter (in)0.625
MOQ2000

3/4-10 UNC × 1.125 × 1.24 × 0.665 × 0.665 × 0.75 × 10 × UNC × 2B × 1.088 × 1.299 × 0.617

dNominal Diameter (in)3/4-10 UNC
sWidth Across Flats (max) (in)1.125
eWidth Across Corners (min) (in)1.24
mNut Height (in)0.665
mNut Height (max) (in)0.665
dBasic Major Diameter (in)0.75
MOQ2000

7/8-9 UNC × 1.312 × 1.447 × 0.776 × 0.776 × 0.875 × 9 × UNC × 2B × 1.269 × 1.516 × 0.724

dNominal Diameter (in)7/8-9 UNC
sWidth Across Flats (max) (in)1.312
eWidth Across Corners (min) (in)1.447
mNut Height (in)0.776
mNut Height (max) (in)0.776
dBasic Major Diameter (in)0.875
MOQ1000

1-8 UNC × 1.5 × 1.653 × 0.887 × 0.887 × 1 × 8 × UNC × 2B × 1.45 × 1.732 × 0.831

dNominal Diameter (in)1-8 UNC
sWidth Across Flats (max) (in)1.5
eWidth Across Corners (min) (in)1.653
mNut Height (in)0.887
mNut Height (max) (in)0.887
dBasic Major Diameter (in)1
MOQ1000

Product details

Description
Hex jam nut manufactured to ASME B18.2.2. The nut has a hexagonal outer shape for wrench installation and is threaded internally with UNC threads, class 2B. It is supplied in carbon steel, Grade 2 or Grade 5, with a choice of zinc plated, hot dip galvanized, or plain finish. Sizes range from 1/4-20 UNC to 1-8 UNC. When requesting a quotation, specify the diameter, thread series, grade, finish, and required quantity.
Features
Hexagonal outer shape for standard wrench installation · Internal UNC threads, class 2B · Available in carbon steel, Grade 2 or Grade 5 · Finish options: zinc plated, hot dip galvanized, plain
Applications
General bolted joints with inch-series hex bolts and cap screws, Steel structure and equipment assembly, Machinery installation and maintenance, Repair work on imperial-threaded assemblies

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 ASME B18.2.2 do you supply?

Execution standard: ASME B18.2.2. The confirmed specification table covers 1–7 diameters. Use the specification table to select the exact variant required for quotation.

Which materials, grades and finishes can I order?

Material: Carbon Steel; Property class: Grade 2, Grade 5; Finish: Zinc Plated, Hot Dip Galvanized, Plain. Availability should be confirmed against the selected specification and order quantity.

Where are these nuts typically used?

Typical applications include General bolted joints with inch-series hex bolts and cap screws, Steel structure and equipment assembly, Machinery installation and maintenance, Repair work on imperial-threaded assemblies. Final suitability depends on the selected material, grade, finish and operating conditions.

Related products

Hex Cap Screw ASME B18.2.1
Matching nominal sizes

Hex Cap Screw ASME B18.2.1

ASME B18.2.1 · 1/4-20UNC–7/8-9UNC

MOQ: 100–1000 pcs
Hex Flange Screw ASME B18.2.1
Matching nominal sizes

Hex Flange Screw ASME B18.2.1

ASME B18.2.1 · 1/4-20UNC–7/16-14UNC

MOQ: 250–1000 pcs
Heavy Hex Screw ASME B18.2.1
Matching nominal sizes

Heavy Hex Screw ASME B18.2.1

ASME B18.2.1 · 1/2-13UNC–7/8-9UNC

MOQ: 100–1000 pcs
Carriage Bolt ASME B18.5
Matching nominal sizes

Carriage Bolt ASME B18.5

ASME B18.5 · 1/4-20UNC–7/8-9UNC

MOQ: 100–1000 pcs
Step Bolt ASME B18.5
Matching nominal sizes

Step Bolt ASME B18.5

ASME B18.5 · 1/4-20UNC–7/16-14UNC

MOQ: 500–1000 pcs
Elevator Bolt ASME B18.5
Matching nominal sizes

Elevator Bolt ASME B18.5

ASME B18.5 · 1/4-20UNC–7/16-14UNC

MOQ: 500–1000 pcs
Hex Jam Nut ASME B18.2.2
Same standard family

Hex Jam Nut ASME B18.2.2

ASME B18.2.2 · 1/4-20UNC–7/8-9UNC

MOQ: 1000–5000 pcs
Hex Nut, Fine Pitch ISO 8673
Same product family

Hex Nut, Fine Pitch

ISO 8673 · M8–M36

MOQ: 200–600 pcs

Quote Hex Nut ASME B18.2.2

Add sizes, quantities, destination and any drawing or spreadsheet.

WhatsAppSend RFQ