Size In Ready Stock
- SAE J995 Nut = M2 To M50
SAE J995 material covers the chemical composition and proof load stress, tensile strength, and hardness requirements for SAE J995 grades 2,5 and 8 of nuts ranging in size from M6 to M42 as per ASME B18. 18. SAE J995 nuts are normally used in automotive applications.
Table of Content
In Which Industries Are SAE J995 Nuts normally used in South Africa?
Supplied in February 22, 2025

Johnson Matthey

Eastman Chemical
SAE J995 Specification
Size In Ready Stock
SAE J995 Grade. 5 Nut Threads
Process Method
Advantages
Testing Checklist
Installations
Packaging Types
Raw Material Origin
Testing for SAE J995 Grade 8 Finished Hex Nut
SAE J995 Hex Nut Price List
| Size | Qty | Price in Dolar (USD) | Price in Dirham (UAE) | Price in South African Rand (South Africa ) |
|---|---|---|---|---|
| 5/8-18 | 10 | US $56.34 | AED 206.94 | ZAR 1009.64 |
| 1/4-28 | 100 | US $904 | AED 3320.38 | ZAR 16200.18 |
| 3/8-24 | 100 | US $1,380 | AED 5068.73 | ZAR 24730.36 |
| 7/8-14 | 25 | US $1,316 | AED 4833.65 | ZAR 23583.44 |
| 9/16-18 | 50 | USD $1,486 | AED 5458.06 | ZAR 26629.94 |
For Most Updated SAE J995 Hex Nut Price Email sales@dalloyedfasteners.com
Uses of SAE J995 Nuts Grade 2/5/8
| Grade | Uses |
|---|---|
| Sae J995 Grade 2 | Household appliances |
| Sae J995 Grade 5 | Automotive components |
| Sae J995 Grade 8 | Heavy machinery |
Tensile Stress of SAE J995 Nuts
| Thread Size | 8 TPI Stress Area, sq | UNC Stress Area, sq |
|---|---|---|
| 1/2-13 | - | 0.1419" |
| 5/8-11 | - | 0.226" |
| 3/4-10 | - | 0.334" |
| 7/8-9 | - | 0.462" |
| 1-8 | 0.606" | 0.606" |
| 1-1/8-7 | 0.790" | 0.763" |
| 1-1/4-7 | 1.000" | 0.969" |
| 1-3/8-6 | 1.233" | 1.155" |
| 1-1/2-6 | 1.492" | 1.405" |
Heat Treatment of SAE J995 Zinc Finish Jam Nut
| Heat Treatment | Advantages |
|---|---|
| Annealing | Improving ductility |
| Normalizing | Enhancing toughness |
| Quenching and Tempering | Increases strength |
SAE J995 Grade. 5 Nuts Marking Dimensions
| Nut Size | Depth | Width | Length |
|---|---|---|---|
| 1/4 to 5/16 | 0.010 | 0.015 | 0.05 |
| 3/8 to 9/16 | 0.010 | 0.020 | 0.06 |
| 5/8 to 7/8 | 0.010 | 0.030 | 0.08 |
| 1 to larger | 0.010 | 0.030 | 0.12 |
Proof Load Requirements for SAE J995 Nuts
| Grade | SAE J995 Grade 5 Nut | SAE J995 Grade 8 Nut | ||||
|---|---|---|---|---|---|---|
| Size | 1/4 to 1 | 1/4 to 1 | Over 1 to 1-1/2 | Over 1 to 1-1/2 | 1/4 to 1-1/2 | 1/4 to 1-1/2 |
| Thread Series | UNC and 8UN | UNF, 12 UN |
UNC and 8UN | UNF, 12UN |
UNC and 8UN | UNF, 12UN |
| SAE J995 Hex Nut | 120000 psi | 109000 psi | 105000 psi | 94000 psi | 150000 psi | 150000 psi |
| SAE J995 Hex Jam Nut | 72000 psi | 65000 psi | 63000 psi | 57000 psi | 90000 psi | 90000 psi |
| SAE J995 Heavy Hex Nut | 133000 psi | 120000 psi | 116000 psi | 105000 psi | 165000 psi | 150000 psi |
| SAE J995 Square Nut | 105000 psi | 96000 psi | 92000 psi | 84000 psi | 132000 psi | 120000 psi |
Marking Styles Of Grade 2 SAE J995 Heavy Hex Nuts
| Styles | Size |
|---|---|
| Style A | Applicable to all sizes |
| Style B | hex nuts 5/8" or larger |
| Style C | Nuts cut from a hex bar |
SAE J995 Grade 2 Chemical Composition
| Grade | Sulfur (max) | Carbon (max) | Phosphorus (max) |
|---|---|---|---|
| Sae J995 Grade 2 Nut | 0.15 % | 0.47% | 0.120% |
SAE J995 Chemical Composition
| Grade | Sulfur (max) | Manganese (min) | Phosphorus (max) | Carbon, |
|---|---|---|---|---|
| Sae J995 Grade 5 Nut | 0.15% | 0.30% | 0.050% | 0.55% |
| Sae J995 Grade 8 Nut | 0.05% | 0.30% | 0.040% | 0.55% |
Hardness for SAE J995 Finished Hex Full Nuts
| Grade | Size | Rockwell Hardness |
|---|---|---|
| Sae J995 Grade 2 | 1/4" to 1-1/2" | C32 (Maximum) |
| Sae J995 Grade 5 | 1/4" to 1" | C32 (Maximum) |
| Over 1" to 1-1/2" | C32 (Maximum) | |
| Sae J995 Grade 8 | 1/4" to 5/8" | C24 to C32 |
| Over 5/8" to 1" | C26 to C34 | |
| Over 1" to 1-1/2" | C26 to C36 |
Types Of SAE J995 Nuts
SAE J995 Hex Nut
J995 Heavy Hex Nuts
SAE J995 Grade 2 T Nut
SAE J995 Grade 5 Eye Nut
SAE J995 Grade 8 Square Nut
Grade 2 SAE J995 Acorn Nut
Grade 5 SAE J995 Jam Nuts
Grade 8 SAE J995 Wing Nuts
SAE J995 Nylock Nuts