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DIN 912 Socket Cap Screw – representative photo

Representative photo. Finish, head marking and packaging follow your order.

Socket Head Cap Screws

DIN 912 Socket Head Cap Screw

Cylindrical head hexagon socket cap screw to DIN 912 / ISO 4762 — the standard high-strength screw for tooling, moulds and machine building, where a small head diameter and internal drive save space.

Standard
DIN 912 / ISO 4762
Equivalents
ASME B18.3 (inch), GB/T 70.1
Sizes
M3 – M24
Lengths
6 – 200 mm
Grades
8.8, 10.9, 12.9, A2-70, A4-80
Materials
Alloy steel SCM435 / 35CrMo; Stainless 304 / 316
Thread
Metric coarse 6g (5g6g for 12.9)
MOQ
500 pcs per size (negotiable for trial orders)
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Features

  • Knurled head for grip
  • Internal hex drive for confined spaces
  • 12.9 for high-load joints

Dimensions

Socket head cap screw dimensions (DIN 912 / ISO 4762)
SizeHead Ø dk (mm)Head height k (mm)Hex socket s (mm)
M35.532.5
M4743
M58.554
M61065
M81386
M1016108
M12181210
M16241614
M20302017
M24362419

Nominal values in mm for reference. Final dimensions and tolerances follow the referenced standard.

Finishes

FinishAppliedNotes
Black oxide / phosphateAvailableIndoor or oiled service
Zinc flake (Dacromet/Geomet type)AvailableElectrolyte-free, no hydrogen embrittlement risk
Zinc-nickelOur own line12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray
Zinc platedOur own lineClear/blue, yellow or black passivation

For property class 10.9 and above, choose zinc flake, or zinc-nickel with hydrogen-embrittlement relief agreed at order stage.

Applications

  • Moulds, dies and jigs
  • Machine tools and automation
  • Automotive engine parts

Ordering terms

MOQ
500 pcs per size (negotiable for trial orders)
Mixed sizes
Welcome in one order
Samples
Samples available — cost and lead time quoted per request
Lead time
15–25 days for standard parts; finishes such as HDG or Dacromet add a few days
Payment
T/T 30% deposit, 70% before shipment
Shipping
FOB Ningbo / CIF / DDP on request
Packaging
Cartons on pallets, or private-label boxes and bags
Documents
Material certificate, coating thickness and salt-spray reports on request
Custom
Drawings, non-standard sizes, coatings, marking and private-label packaging

DIN 912 Socket Cap Screw FAQ

Can 12.9 socket screws be zinc-nickel plated?
Only with a customer-approved hydrogen embrittlement relief process. For 12.9 we recommend black oxide or zinc flake.

Request a quote for DIN 912 Socket Cap Screw

Tell us size, grade, finish and quantity. We reply with price and lead time within 24 hours.

We reply within 24 hours (China time). Your details are used only to answer this inquiry.

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