Grade 10.9 is alloy steel at 1000 MPa tensile / 900 MPa yield, typically supplied black oxide or Dacromet. Avoid electroplated zinc on 10.9 — acid pickling risks hydrogen embrittlement.
In stock now: 1,191 lines; covering Screws (1,029), Socket Head Screws (940), DIN7991 (400), ISO7380 (380), Bolts (84); priced from $0.0052 per piece. Every line is sold by the piece — one piece is a valid order — and volume discounts apply automatically from 5%.
Related values on the same axis
140-170 HV
210-280HV30
420-545HV30
430-510HV
45H
460-560HV30
64 HRC
A2-035
A2-50
A2-70
Product families covered
Screws 1,029
Socket Head Screws 940
DIN7991 400
ISO7380 380
Bolts 84
Flange Bolts 84
Torx Screws 84
GB5789 84
ISO7380 3-Piece Assemblies 78
Anchors & Fastener Assemblies 78
Screw & Washer Assemblies 78
Imperial Countersunk Hex Socket 48
Frequently asked
What is Grade 10.9?
Grade 10.9 is alloy steel at 1000 MPa tensile / 900 MPa yield, typically supplied black oxide or Dacromet. Avoid electroplated zinc on 10.9 — acid pickling risks hydrogen embrittlement.
How much do Grade 10.9 fasteners cost?
Prices in our catalogue for Grade 10.9 run from $0.0052 to $2.6134 per piece, depending on diameter, length and material. There is no minimum order, and volume discounts apply automatically from 5%.
Is there a minimum order quantity for Grade 10.9?
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. Volume discounts start at 5% and step down as the quantity rises.
What do you stock in Grade 10.9?
Grade 10.9 Fasteners currently covers 1,191 lines across Screws, Socket Head Screws, DIN7991, ISO7380, Bolts, Flange Bolts. 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 Grade 10.9 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.