| Technical Specifications | Details / Range |
|---|---|
| Product Name | Hex Head Bolt / Hex Cap Screw |
| Standard | DIN 933 (Full Thread), DIN 931 (Partial Thread), ASME B18.2.1 |
| Diameter Range | M3 – M64 / 1/4″ – 2-1/2″ |
| Length Range | 10mm – 500mm / 1/2″ – 20″ |
| Material | Carbon Steel, Stainless Steel (SS304/SS316), Alloy Steel |
| Grade / Class | Class 4.8, 8.8, 10.9, 12.9 / Grade 2, 5, 8 / A2-70, A4-80 |
| Surface Treatment | Plain, Zinc Plated (White/Yellow/Black), HDG, Dacromet |
| Thread Type | Metric (Coarse/Fine), UNC, UNF, BSW |
| Packing | 25kg/Carton, 36 Cartons/Pallet or Customized |
| Certificate | ISO 9001, CE, SGS Test Report |
Note: The dimensions (s) of opposite sides of specifications such as M10 and M12 differ slightly in DIN and ISO standards. Marking these differences will make the specifications appear more professional.
Parameter letter meanings:
- d (Nominal Diameter): The thickness of the threaded part.
- L (Length): Measured from under the head to the end of the bolt.
- s (Width Across Flats): The size of the wrench/spanner needed.
- e (Width Across Corners): The diagonal measurement of the hex head.
- k (Head Height): The thickness of the bolt head.
- b (Thread Length): For Partial Thread (DIN 931) bolts, this is the length of the threaded portion.
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