Grade 12.9 is the highest common commercial grade at 1220 MPa tensile / 1100 MPa yield, used for socket head screws and highly stressed joints. Specify Dacromet or black oxide, not electroplated zinc.
In stock now: 3,041 lines; covering Screws (2,616), Socket Head Screws (1,944), DIN912 (1,262), Set Screws (414), DIN916 (309); priced from $0.0039 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 2,616
Socket Head Screws 1,944
DIN912 1,262
Set Screws 414
DIN916 309
Bolts 272
Hex Bolts 265
ANSI/ASME B18.3SH( Knurled ) 217
ISO7379 Knurled 216
Shoulder Screws 216
DIN7991 168
ISO7380 161
Frequently asked
What is Grade 12.9?
Grade 12.9 is the highest common commercial grade at 1220 MPa tensile / 1100 MPa yield, used for socket head screws and highly stressed joints. Specify Dacromet or black oxide, not electroplated zinc.
How much do Grade 12.9 fasteners cost?
Prices in our catalogue for Grade 12.9 run from $0.0039 to $14.8914 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 12.9?
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 12.9?
Grade 12.9 Fasteners currently covers 3,041 lines across Screws, Socket Head Screws, DIN912, Set Screws, DIN916, 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 12.9 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.