ZNiBolt

Machine Screws

Cross-recessed machine screws for electrical enclosures, appliances, automotive trim and light assembly: pan head DIN 7985 / ISO 7045 and countersunk DIN 965 / ISO 7046, M2.5 to M10. Carbon steel class 4.8 (8.8 on request) or stainless A2. Zinc-nickel is popular for automotive and outdoor electrical parts where white rust from plain zinc is not acceptable.

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Machine Screws we supply

Ld

DIN 7985 Cross Recessed Pan Head Machine Screw

Ld

DIN 965 Cross Recessed Countersunk Machine Screw

Machine Screws: standards, sizes and options
Product / standardSizesGradesMaterialFinishesMOQ
DIN 7985 / ISO 7045
DIN 7985 Pan Head Screw
M2.5 – M84.8, A2-70Low carbon steel; Stainless 304Zinc plated, Zinc-nickel, Black oxide / phosphate500 pcs / size
DIN 965 / ISO 7046
DIN 965 Countersunk Screw
M2.5 – M84.8, A2-70Low carbon steel; Stainless 304Zinc plated, Zinc-nickel, Black oxide / phosphate500 pcs / size

Ordering machine screws

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

To quote quickly, please send

  • Standard (e.g. DIN, ISO, ASTM) or drawing number
  • Size × length and thread pitch
  • Property class / grade and material
  • Finish and coating thickness (or the salt-spray hours you need)
  • Quantity per size and annual volume
  • Packaging and destination port

Finishes for machine screws

Zinc-nickel and zinc are plated on our own line in Ningbo. Other finishes are applied by specialist coaters to the relevant standard.

FinishAppliedNotes
Zinc platedOur own lineClear/blue, yellow or black passivation
Zinc-nickelOur own line12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray
Black oxide / phosphateAvailableIndoor or oiled service

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

Row of zinc-nickel electroplating tanks
Our zinc-nickel plating line. Salt spray: 12 µm ≈ 1,000 h, 15 µm ≈ 1,440 h (neutral salt spray to first red rust). How zinc-nickel compares

How to choose

Phillips or Pozidriv?
Both are available (H or Z recess). Pozidriv reduces cam-out on power tools; Phillips is more common in North America.
Pan head or countersunk?
Pan heads sit on the surface and give a larger bearing area; countersunk heads need a 90° countersink and finish flush.

Request a machine screw quote

Send sizes and quantities — we reply with price, finish options and lead time within 24 hours.

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

Machine Screws FAQ

Can you add pre-assembled washers (SEMS)?
Yes, machine screws with captive split or flat washers are available on request.

Technical guides

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