ASME B18.2.2 Table 6 Hex Thick Nuts
ASME B18.2.2 Table 6 hexagon thick nuts incorporate a slotted top and an integral washer face, engineered for positive mechanical locking via cotter pins. Their increased height delivers superior thread engagement, making them essential for high vibration assemblies where standard nuts risk loosening.
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Product introduction
ASME B18.2.2 Table 6 hexagon thick nuts incorporate a slotted top and an integral washer face, engineered for positive mechanical locking via cotter pins. Their increased height delivers superior thread engagement, making them essential for high‑vibration assemblies where standard nuts risk loosening.
Common Specifications
| Materials | Carbon steel |
| Class | 2H |
| Range | 1/4" - 4" |
| Thread | Coarse , Fine, Extra Fine, Special-Fine |
| Surface | Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- Slotted top enables cotter pin locking for fail‑safe retention
- Washer face eliminates need for separate flat washer
- Thicker cross‑section withstands high torque and dynamic loads
- Conforms to ASME B18.2.2 Table 6dimensional standards
- Offered in both UNC and UNF thread series
Application industry
- Heavy construction and earthmoving machinery
- Railway bogies and track infrastructure
- Vibratory screens and industrial shakers
- Military tactical vehicles and ground support
- Aerospace launch support equipment
data table
| Size | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 |
| UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 |
| s Min (inch) | 0.428 | 0.489 | 0.551 | 0.675 | 0.736 | 0.861 | 0.922 | 1.088 | 1.269 | 1.450 | 1.631 | 1.812 | 1.994 | 2.175 |
| s Max (inch) | 0.438 | 0.500 | 0.562 | 0.688 | 0.750 | 0.875 | 0.938 | 1.125 | 1.312 | 1.500 | 1.688 | 1.875 | 2.062 | 2.250 |
| e Min (inch) | 0.488 | 0.557 | 0.628 | 0.768 | 0.840 | 0.892 | 1.051 | 1.250 | 1.447 | 1.653 | 1.859 | 2.066 | 2.273 | 2.480 |
| e Max (inch) | 0.505 | 0.577 | 0.650 | 0.794 | 0.866 | 1.010 | 1.083 | 1.299 | 1.516 | 1.732 | 1.949 | 2.165 | 2.382 | 2.598 |
| m Min (inch) | 0.274 | 0.320 | 0.398 | 0.444 | 0.552 | 0.598 | 0.706 | 0.798 | 0.890 | 0.982 | 1.136 | 1.228 | 1.351 | 1.474 |
| m Max (inch) | 0.288 | 0.336 | 0.415 | 0.463 | 0.573 | 0.621 | 0.731 | 0.827 | 0.922 | 1.018 | 1.176 | 1.272 | 1.399 | 1.526 |
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