Skip to content

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.

Related values on the same axis

Product families covered

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
GB 893.1 Internal Circlip Type A M25 65Mn Spring Steel GB 893.1 Internal Circlip Type A M25 65Mn Spring Steel
Black Oxide
M25 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ125 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ125 70Mn Spring Steel
Black Oxide
Φ125 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M24 65Mn Spring Steel GB 893.1 Internal Circlip Type A M24 65Mn Spring Steel
Black Oxide
M24 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ120 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ120 70Mn Spring Steel
Black Oxide
Φ120 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M23 65Mn Spring Steel GB 893.1 Internal Circlip Type A M23 65Mn Spring Steel
Black Oxide
M23 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ115 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ115 70Mn Spring Steel
Black Oxide
Φ115 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ110 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ110 70Mn Spring Steel
Black Oxide
Φ110 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M22 65Mn Spring Steel GB 893.1 Internal Circlip Type A M22 65Mn Spring Steel
Black Oxide
M22 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ105 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ105 70Mn Spring Steel
Black Oxide
Φ105 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M21 65Mn Spring Steel GB 893.1 Internal Circlip Type A M21 65Mn Spring Steel
Black Oxide
M21 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ100 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ100 70Mn Spring Steel
Black Oxide
Φ100 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M20 65Mn Spring Steel GB 893.1 Internal Circlip Type A M20 65Mn Spring Steel
Black Oxide
M20 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ95 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ95 70Mn Spring Steel
Black Oxide
Φ95 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 895.1 Internal Wire Ring Φ90 70Mn Spring Steel GB 895.1 Internal Wire Ring Φ90 70Mn Spring Steel
Black Oxide
Φ90 70Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M19 65Mn Spring Steel GB 893.1 Internal Circlip Type A M19 65Mn Spring Steel
Black Oxide
M19 65Mn Spring Steel In stock Log in to see prices Log in to order
GB 893.1 Internal Circlip Type A M18 65Mn Spring Steel GB 893.1 Internal Circlip Type A M18 65Mn Spring Steel
Black Oxide
M18 65Mn Spring Steel In stock Log in to see prices Log in to order
Request quote Email us