10B21 is a boron-treated low-carbon steel used for grade 8.8 fasteners where formability matters. It hardens reliably with a small boron addition.
In stock now: 1,340 lines; covering Screws (1,252), Socket Head Screws (1,168), DIN 7991 Countersunk Socket Screws (400), ISO 7380 Button Head Socket Screws (380), GB70 (228); priced from $0.0051 per piece. Every line is sold by the piece — one piece is a valid order.
Verwandte Werte auf derselben Achse
Kohlenstoffstahl 1008
Kohlenstoffstahl 1008A
Kohlenstoffstahl 1010
Kohlenstoffstahl 1010A
Kohlenstoffstahl 1022
Kohlenstoffstahl 1022A
Edelstahl 201
Edelstahl 303
Edelstahl 304
Edelstahl 316
Abgedeckte Produktfamilien
Schrauben 1,252
Zylinderschrauben 1,168
DIN 7991 Countersunk Socket Screws 400
ISO 7380 Button Head Socket Screws 380
GB70 228
Torx-Schrauben 84
Screw & Washer Assemblies 78
Anchors & Fastener Assemblies 78
ISO7380 3-Piece Assemblies 78
Imperial Countersunk Hex Socket 48
Imperial Round Head Hex Socket 45
GB2672 42
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What is 10B21 Carbon Steel?
10B21 is a boron-treated low-carbon steel used for grade 8.8 fasteners where formability matters. It hardens reliably with a small boron addition.
How much do 10B21 Carbon Steel fasteners cost?
Prices in our catalogue for 10B21 Carbon Steel run from $0.0051 to $5.8894 per piece, depending on diameter, length and material. There is no minimum order.
Is there a minimum order quantity for 10B21 Carbon Steel?
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 10B21 Carbon Steel?
10B21 Carbon Steel Fasteners currently covers 1,340 lines across Screws, Socket Head Screws, DIN 7991 Countersunk Socket Screws, ISO 7380 Button Head Socket Screws, GB70, Torx 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 10B21 Carbon Steel 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.