U-Bolt M6 Carbon Steel — stocked and shipped worldwide by SFX Fasteners. Available for single-piece retail orders — no minimum order — dispatched from our own warehouse within 24–48 hours.
Specifications
| Material | Carbon Steel |
| Grade | Grade 4.8 |
| Diameter | M6 |
| Surface Finish | Zinc Plated |
| Brand | SFX Fasteners |
Ordering & shipping
| Minimum order | No minimum — single pieces welcome |
| Pricing | Order totals are confirmed at checkout, before payment |
| Custom & dropship | Small batches to drawing · blind dropshipping on request |
| Dispatch | 24–48 hours for stock items |
| Shipping | Worldwide, calculated at checkout by weight and destination |
Need a specific size, grade or standard? Send us a quote request — we quote to drawing and to DIN / ANSI / GB / JIS standards.
About this bolt
This is a bolt in Carbon Steel, at strength class Grade 4.8, supplied zinc plated, with an M6 thread. Every dimension is stated against the standard named above; where a tolerance class matters to your design, ask us and we will confirm it in writing before you order.
A bolt passes through the parts it joins and is closed with a nut, so the joint is held by the clamp load the tightened bolt develops rather than by the shank itself. Bolts of this type are used on structural steelwork, machine frames, brackets, flanges and pipework — anywhere the joint has to come apart again for maintenance.
Electroplated zinc is a sacrificial coating, typically 5–12 µm. It protects carbon steel indoors and in sheltered outdoor work; move up to hot dip or Dacromet for long outdoor exposure.
Carbon steel is the workhorse material for structural fastening. Grade 8.8 and above must be coated (zinc, black oxide or Dacromet) or it will rust outdoors.
Sold by the piece, so one is a valid order. Stock lines leave our warehouse within 24–48 hours of cleared payment, and freight is calculated at checkout from the packed weight and the destination.
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