HDG Socket Head Cap Screw
DIN 912 · Carbon Steel / Alloy Steel · Hot-Dip Galvanized / Dacromet
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Bolts & Threaded Rods
HDG Hex Head Bolt
General-purpose strength and durability
Applications
Common structural fastener for PV frames, beams and posts with high tensile and shear strength.
Standard
DIN 933
Material
Carbon Steel (Grade 8.8 / Q235B)
Surface Treatment
Hot-Dip Galvanized
Specifications
| Highlights | General-purpose strength and durability |
|---|---|
| Applications | Common structural fastener for PV frames, beams and posts with high tensile and shear strength. |
| Category | Bolts & Threaded Rods |
| Standard | DIN 933 |
| Material | Carbon Steel (Grade 8.8 / Q235B) |
| Surface Treatment | Hot-Dip Galvanized |
| Grade | Carbon Steel (Grade 8.8 / Q235B) |
| Available Sizes | Standard Fastener | M10×30 / M12×40 / M16×60 |
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Quality Control
QC from Raw Material to Dispatch
Key steps stay in-house with lot records — material reports available on request with your inquiry.
01
Incoming check
Steel and consumables verified by heat/lot for grade, size and surface before stocking.
02
In-process QC
Critical dimensions sampled through cold heading, threading and forming — stop and correct on drift.
03
Coating check
HDG / electroplate thickness and appearance sampled to the finish you specify.
04
Dispatch & trace
Final check before pack-out; material certificates and lot traceability on request.
OEM / ODM
Need this part customized?
Size, material, finish or non-standard shape — send a drawing or sample and we reply with a plan and quote within 24 hours.
01
Drawing-based
Tooling and production from CAD/PDF with agreed tolerances and materials.
02
Sample-based
Send a sample or size sheet — we replicate and confirm first article.
03
Named standards
DIN / ISO / ASTM / GB, with HDG and other finishes as specified.