Standard hex full nuts to DIN 934 / ISO 4032. Class 8 is the everyday structural nut (pair with 8.8 bolts); Class 10 and A2 / A4 stainless are configurable below. Choose your finish and size and add to the quote.
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Hex Nut (Class 8)
Metric hex nuts M2-M48 to match every bolt - by finish and class.
DIN 934 (ISO 4032)
Configure & add to quote
Price on requestPick your exact spec — we reply with a price, usually within one business day.
Bright zinc electroplate + passivation. The standard indoor nut finish.
No minimum order — buy by piece, box or bulk. Volume pricing on request.
Your selection: —
Added items go to your quote list — send everything as one request.
Specification
| Type | Hex Nut (Class 8) |
|---|---|
| Product standard | DIN 934 (ISO 4032) |
| Strength standard | ISO 898-2 |
| Grades / classes | Class 8, Class 10, A2-70, A4-80 |
| Size range | M2 – M48 |
| Head | Hexagon |
| Drive | External (spanner / socket) |
| Threading | Full thread |
Finishes explained
| Zinc Plated (BZP) | Bright zinc electroplate + passivation. The standard indoor nut finish. (ISO 4042) |
|---|---|
| Hot-Dip Galvanized (HDG) | Hot-dip galvanized, tapped oversize to fit HDG bolts. Outdoor / structural. (ISO 10684 / ASTM A153) |
| Plain / Self-Colour | Self-colour, lightly oiled. Indoor / dry duty. |
| Stainless (Self-Colour) | A2 (304) for general corrosion resistance, A4 (316) for marine / chemical. Self-colour, non-magnetic. (ISO 3506) |
Grades available depend on the finish — the configurator updates automatically.
Hex Nut (Class 8) size chart
| Size | Imperial (≈) | Coarse pitch (mm) | Stress area (mm²) |
|---|---|---|---|
| M2 | #2 | 0.4 | 2.1 |
| M2.5 | #3 | 0.45 | 3.4 |
| M3 | #6 | 0.5 | 5 |
| M4 | #8 | 0.7 | 8.8 |
| M5 | #10 | 0.8 | 14.2 |
| M6 | 1/4" | 1 | 20.1 |
| M8 | 5/16" | 1.25 | 36.6 |
| M10 | 3/8" | 1.5 | 58 |
| M12 | 1/2" | 1.75 | 84.3 |
| M14 | 9/16" | 2 | 115 |
| M16 | 5/8" | 2 | 157 |
| M18 | 11/16" | 2.5 | 192 |
| M20 | 3/4" | 2.5 | 245 |
| M22 | 7/8" | 2.5 | 303 |
| M24 | 1" | 3 | 353 |
| M27 | 1-1/16" | 3 | 459 |
| M30 | 1-3/16" | 3.5 | 561 |
| M33 | 1-5/16" | 3.5 | 694 |
| M36 | 1-7/16" | 4 | 817 |
| M39 | 1-9/16" | 4 | 976 |
| M42 | 1-5/8" | 4.5 | 1,120 |
| M45 | 1-3/4" | 4.5 | 1,300 |
| M48 | 1-7/8" | 5 | 1,470 |
Stress areas per ISO 898-1 coarse pitch — the same values behind our tensile-load calculator. Imperial sizes are the nearest equivalent, not exact conversions.
Need a non-standard hex nut (class 8)?
Special size, material, grade, finish, head or thread — we custom-build to your drawing or sample.
Common questions
Which nut class for an 8.8 bolt?
Use a Class 8 nut with 8.8 bolts and a Class 10 nut with 10.9 bolts, so the nut is at least as strong as the bolt. See our matching-nut guide.
Do you deliver nationwide?
Yes - we ship to every city and industrial estate in Pakistan by road freight and trusted couriers, with same-day dispatch from Lahore on stock items.