M4x20 Stainless Steel Hex Bolt 316
Our M4x20 Stainless Steel Hex Bolt 316 is manufactured to DIN 933 / ISO 4017 using A4-70 / AISI 316. Suitable for fastening and assembly where stainless corrosion resistance is specified.
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Minimum order: 100 pieces
Applications & Usage
M4x20 hex bolt 316 is used for machine assembly, fixtures, and general fastening. Select length and grade to match the nut and environment.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | M4x20 |
| Material | Stainless Steel |
| Alloy/Grade | A4-70 / AISI 316 |
| Standard | DIN 933 / ISO 4017 |
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Technical guides
304 vs 316 stainless steel: composition, strength, corrosion resistance and when to use each
How 304 (1.4301) and 316 (1.4401/1.4404) stainless steel differ in composition, PREN, strength and chloride resistance, what the L grades and A2/A4 fasteners mean, and which grade to choose.
Read the guide →Bolt grades and sizes: 8.8, 10.9, 12.9, A2 and A4, and metric hex bolt dimensions
What the property classes 4.8, 8.8, 10.9 and 12.9 and stainless A2-70 and A4-70 mean, minimum strength and tensile loads, metric thread pitch and hex head sizes, DIN 933 vs DIN 931, and which nut goes with which bolt.
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