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Black Oxide Fasteners

1589 products
Black Oxide Fasteners

Black oxide is a conversion coating about 1–2 µm thick, usually oiled. It adds mild corrosion resistance and keeps dimensions exact, which matters on 10.9 and 12.9 parts — there is no hydrogen embrittlement risk.

In stock now: 1,589 lines; covering Screws (700), Washers & Retaining Rings (381), Set Screws (331), Socket Head Screws (327), DIN916 (309); priced from $0.0015 per piece. Every line is sold by the piece — one piece is a valid order.

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Frequently asked

What is Black Oxide?
Black oxide is a conversion coating about 1–2 µm thick, usually oiled. It adds mild corrosion resistance and keeps dimensions exact, which matters on 10.9 and 12.9 parts — there is no hydrogen embrittlement risk.
How much do Black Oxide fasteners cost?
Prices in our catalogue for Black Oxide run from $0.0015 to $17.6615 per piece, depending on diameter, length and material. There is no minimum order.
Is there a minimum order quantity for Black Oxide?
No. Every line is sold by the piece, so you can order a single piece to check the fit and the finish before committing to a production quantity. Your order total is confirmed in the cart, before payment.
What do you stock in Black Oxide?
Black Oxide Fasteners currently covers 1,589 lines across Screws, Washers & Retaining Rings, Set Screws, Socket Head Screws, DIN916, Self-Tapping & Drilling Screws. The full list of sizes, materials and finishes on this page is live — use the filters at the top to narrow it down.
How quickly do you ship Black Oxide fasteners, and can you send them to the EU or Russia?
In-stock lines leave our Foshan warehouse within 24–48 hours. We ship worldwide, including the EU and Russia. For the EU we are appointing a responsible person under Regulation (EU) 2023/988 (GPSR); for EAEU orders the conformity documents are handled with the importing party, who is the applicant of record. We can supply an EN 10204 3.1 mill test certificate, a full technical specification and a packing list with weights on request.
Product Diameter × Length Material Stock Unit price
DIN 916 Socket Set Screw Cup Point M16x60 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x60 40Cr Alloy Steel
Black Oxide
M16*60 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x55 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x55 40Cr Alloy Steel
Black Oxide
M16*55 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x50 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x50 40Cr Alloy Steel
Black Oxide
M16*50 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x45 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x45 40Cr Alloy Steel
Black Oxide
M16*45 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x40 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x40 40Cr Alloy Steel
Black Oxide
M16*40 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x35 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x35 40Cr Alloy Steel
Black Oxide
M16*35 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x30 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x30 40Cr Alloy Steel
Black Oxide
M16*30 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x25 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x25 40Cr Alloy Steel
Black Oxide
M16*25 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x20 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x20 40Cr Alloy Steel
Black Oxide
M16*20 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x16 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x16 40Cr Alloy Steel
Black Oxide
M16*16 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M16x12 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M16x12 40Cr Alloy Steel
Black Oxide
M16*12 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M14x60 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M14x60 40Cr Alloy Steel
Black Oxide
M14*60 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M14x55 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M14x55 40Cr Alloy Steel
Black Oxide
M14*55 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M14x50 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M14x50 40Cr Alloy Steel
Black Oxide
M14*50 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M14x45 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M14x45 40Cr Alloy Steel
Black Oxide
M14*45 40Cr Alloy Steel In stock Log in to see prices Log in to order
DIN 916 Socket Set Screw Cup Point M14x40 40Cr Alloy Steel DIN 916 Socket Set Screw Cup Point M14x40 40Cr Alloy Steel
Black Oxide
M14*40 40Cr Alloy Steel In stock Log in to see prices Log in to order
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