Fastener Materials
Density, corrosion behaviour and the property classes each material is commonly supplied in.
Materials
8 entriessteelCarbon SteelThe default structural fastener material. Low cost, high strength, normally supplied zinc plated or black oxide to slow … stainlessStainless Steel A2 (304)Austenitic 18/8 stainless (AISI 304 family). The general purpose corrosion resistant choice for fasteners.… stainlessStainless Steel A4 (316)Austenitic stainless with molybdenum (AISI 316 family). Used in marine and chemical exposure where A2 pits.… steelAlloy SteelQuenched and tempered alloy steel used to reach property classes 10.9 and 12.9.… non-ferrousBrassCopper-zinc alloy. Non-magnetic, corrosion resistant, used for electrical terminals and decorative hardware.… non-ferrousAluminiumWeight critical applications. Roughly one third the weight of steel.… non-ferrousTitaniumGrade 2 / Grade 5 (Ti-6Al-4V) fasteners for aerospace, motorsport and medical implants.… plasticNylon (PA 6.6)Non-metallic fasteners for insulation, light duty and chemical resistance.…
Material → property class
All 12 property classes| Material | Density (g/cm³) | Typical grades |
|---|---|---|
| Carbon Steel | 7.85 | 4.8, 5.8, 8.8, 10.9, 12.9 |
| Stainless Steel A2 (304) | 7.9 | A2-50, A2-70, A2-80 |
| Stainless Steel A4 (316) | 8 | A4-70, A4-80 |
| Alloy Steel | 7.85 | 10.9, 12.9 |
| Brass | 8.5 | — |
| Aluminium | 2.7 | — |
| Titanium | 4.51 | — |
| Nylon (PA 6.6) | 1.14 | — |