12.9 Metric Bolts are headed externally threaded fasteners which is used to keep two objects usually metal or wood, in a fixed position it is relative to one another. Grade 12.9 Bolts is a high tensile bolt. It is available which us in different shapes and types. 12.9 Grade Bolt is paired with the internal thread of nuts to stay in place and to ensure the desired level of tension in the bolted joint. The minimum ultimate tensile strength of the Grade 12.9 Bolt is about 1242 Mpa or 180,000 PSI, which makes them the highest grade of bolts. 12.9 Allen Bolt is a bolt with a hexagonal socket in its head that is designed to be used with an Allen wrench to drive them into material and secure them into a structure. It is essential to the crank and remains in it when the crank is unfastened from the spindle. 12.9 Hex Head Bolts are large bolts with a six-sided head it used to fasten wood to wood, or metal to wood. Unlike carriage bolts, it will have a tendency to spin as it is tighten so it needs to hold the bolt head with a socket or a wrench to tighten the nut with a second wrench. It has a smooth shank and a small thread. High Tensile Bolts 12.9 Grade are low-carbon, or steels at the lower end of the medium-carbon range, it has an additional alloying ingredients in order to increase their strength, wear properties or especially its tensile strength. The alloying elements include chromium, molybdenum, manganese, nickel, silicon, and vanadium. It is a good, strong, long-lasting steel bolts.
Grade 12.9 Bolts
Metric 12.9 Bolt
12.9 Allen Bolt
12.9 Hex Head Bolts
Grade 12.9 Stud Bolts
Class 12.9 Bolts
Grade 12.9 Fasteners Sizes |
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Grade 12.9 Bolts |
12.9 Grade Bolts Size Metric |
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Grade 12.9 Hex Bolts Size Inch |
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Standard | Manufacturer of Grade 12.9 Bolts as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards
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Grade 12.9 Bolts Length | 3 mm to 200 mm |
Steel Grade 12.9 Bolts & Screws US Threads | METRIC, BSW, Unified national coarse (UNC), Unified national fine (UNF), Unified national extra fine (UNEF), UNJC and UNJF, UNK, BSF, UNR, Constant-pitch threads |
Grade 12.9 Bolts UTS - Unified Thread Standard | UNS, UNC, UNF, NPT, UNEF, NPTF |
Grade 12.9 Bolts Head drive | Phillips/Slot, Phillips, Slotted, Six-Lobe, etc |
Material Origin | Grade 12.9 Bolts are Western European. Eastern origin possible on request. |
Grade 12.9 Nut Bolt Surface Finish & Coating |
All 12.9 Grade Fasteners surface finishes can be supplied including Galvanised, Zinc, Sherardized, Dacromet, Electroless Nickel, Geomet & PTFE. |
Class 12.9 Fasteners types | Marine Anchors, T-Head Bolts, Foundation Bolts, Structural Bolts, J Bolts, Stud Bolts, Hex Head Bolts, U Bolts, Sockets, Anchor Bolt, Bolts, Anchors, Eye Bolt, Mushroom Head Square Neck Bolts |
Other 12.9 Grade Fasteners | |
Why Jignesh Steel? |
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MOQ | 5 pieces |
Preferred Grade 12.9 Nut Bolt Drawing Formats | JPEG, PDF, CAD, STP, IGS |
Port of Dispatch | Mumbai or Kalamboli ports in Maharashtra state of India |
Ask for Test Certificates from Grade 12.9 Bolts manufacturers |
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Free Samples | Yes |
Delivery time | Regular product is about 7-15 days |
ISO - International Organization for Standardization | |
Payment Terms | T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping |
Steel Grade 12.9 Fasteners Application and Uses | Industrial, Wind tower, Railway, Nuclear power, Construction, Electronic, and Automotive industry |
Other Grade 12.9 Bolts manufacturers | Omni, APL, Kundan, Deepak Fasteners, Unbrako, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX®, GKW Etc. |
Grade 12.9 Bolts manufacturers head marking |
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12.9 Heavy Hex Bolt Diameter | D | F | C | H | |||||
Body Diameter | Width Across Flats | Width Across Corners | Height | ||||||
Max | Basic | Max | Min | Max | Min | Basic | Max | Min | |
1/2 | 0.515 | 7/8 | 0.875 | 0.850 | 1.010 | 0.969 | 11/32 | 0.364 | 0.302 |
5/8 | 0.642 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 27/64 | 0.444 | 0.378 |
3/4 | 0.768 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.383 | 1/2 | 0.524 | 0.455 |
7/8 | 0.895 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 37/64 | 0.604 | 0.531 |
1 | 1.022 | 1-5/8 | 1.625 | 1.575 | 1.876 | 1.796 | 43/64 | 0.700 | 0.591 |
1-1/8 | 1.149 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 3/4 | 0.780 | 0.658 |
1-1/4 | 1.277 | 2 | 2.00 | 1.938 | 2.309 | 2.209 | 27/32 | 0.876 | 0.749 |
1-3/8 | 1.404 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 29/32 | 0.940 | 0.810 |
1-1/2 | 1.531 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1 | 1.036 | 0.902 |
1-3/4 | 1.785 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-5/32 | 1.196 | 1.054 |
2 | 2.039 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-11/32 | 1.388 | 1.175 |
2-1/4 | 2.305 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 1-1/2 | 1.548 | 1.327 |
2-1/2 | 2.559 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 1-21/32 | 1.708 | 1.479 |
12.9 Grade Eye Bolt
Class 12.9 Hex Bolt
Steel Grade 12.9 Heavy Hex Bolt
Grade 12.9 U Bolt
High Tensile Grade 12.9 Hex Head Bolt
Full Thread Alloy Steel Grade 12.9 Hex Bolt
High Tensile Steel Grade 12.9 Hexagon Bolt
High Tensile Steel Grade 12.9 Galvanized Bolt
12.9 Grade Alloy Steel Hot Dip Galvanized Bolts
Grade 12.9 M16 Bolt
12.9 Grade M8 Bolt
Alloy Steel Grade 12.9 Carriage Bolt
Class 12.9 M10 Bolt
Steel Grade 12.9 Square Head T Bolt
High Tensile Grade 12.9 Oval Head Bolt
12.9 Grade Alloy Steel Flange Bolt
Grade 12.9 Plow Bolt
12.9 Grade Lag Bolt
Class 12.9 Structural Hex Bolts
Steel Grade 12.9 Cup Head Bolt
High Tensile Grade 12.9 Allen Bolt
Alloy Steel Grade 12.9 CSK Bolt
Grade 12.9 Stud Bolt
12.9 Grade Threaded Rod
Class 12.9 Studs
Steel Grade 12.9 Stud Bar
High Tensile Grade 12.9 Weld Studs
Alloy Steel Grade 12.9 Fully Threaded Studs
High Tensile Steel Grade 12.9 Double End Studs
12.9 Grade Alloy Steel Partially Threaded Studs
Grade 12.9 Flat Washer
12.9 Grade Fender Washer
Class 12.9 Curved Spring Washer
Steel Grade 12.9 Split Lock Washer
High Tensile Grade 12.9 Square Washer
Alloy Steel Grade 12.9 Star Washer
High Tensile Steel Grade 12.9 Tooth Lock Washer
12.9 Grade Alloy Steel Wave Spring Washer
Class 12.9 Bolt Diameter x Pitch | Thread Stress Area mm2 |
*When μ = 0.10 Results in: |
*When μ = 0.14 Results in: |
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Tightening Bolt Torque Nm |
Pre-load kN |
Tightening Bolt Torque Nm |
Pre-load kN |
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M5 x 0.8 | 14.2 | 8.9 | 12.7 | 11.2 | 12.0 |
M6 x 1 | 30.1 | 15.4 | 17.9 | 19.3 | 17.0 |
M8 x 1.25 | 36.6 | 37.2 | 32.8 | 46.9 | 31.1 |
M10 x 1.5 | 58.0 | 73 | 52.1 | 93 | 49.4 |
M12 x 1.75 | 84.3 | 126 | 75.9 | 160 | 72.0 |
M14 x 2 | 115 | 201 | 104.1 | 255 | 98.9 |
M16 x 2 | 157 | 309 | 142.4 | 395 | 135.4 |
M18 x 2.5 | 192 | 432 | 174 | 549 | 165 |
M20 x 2.5 | 245 | 605 | 223 | 773 | 212 |
M22 x 2.5 | 302 | 824 | 277 | 1057 | 264 |
M24 x 3 | 353 | 1041 | 320 | 1329 | 305 |
M27 x 3 | 459 | 1526 | 420 | 1959 | 400 |
M30 x 3.5 | 561 | 2077 | 511 | 2662 | 487 |
M33 x 3.5 | 694 | 2799 | 635 | 3601 | 605 |
M36 x 4 | 817 | 3607 | 747 | 4631 | 711 |
M39 x 4 | 976 | 4652 | 895 | 5994 | 853 |
Grade 12.9 SAE Flat Washers | |||
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Size | Inside Diameter | Outside Diameter | Thickness |
#2 | 3/32" | 1/4" | .020" |
#4 | 1/8" | 5/16" | 1/32" |
#6 | 5/32" | 3/8" | 3/64" |
#8 | 3/16" | 7/16" | 3/64" |
#10 | 7/32" | 1/2" | 3/64" |
1/4 | 9/32" | 5/8" | 1/16" |
5/16 | 11/32" | 11/16" | 1/16" |
3/8 | 13/32" | 13/16" | 1/16" |
7/16 | 15/32" | 59/64" | 1/16" |
1/2 | 17/32" | 1-1/16" | 3/32" |
9/16 | 19/32" | 1-3/16" | 3/32" |
5/8 | 21/32" | 1-5/16" | 3/32" |
3/4 | 13/16" | 1-1/2" | 9/64" |
7/8 | 15/16" | 1-3/4" | 9/64" |
1" | 1-1/16" | 2" | 9/64" |
1-1/8 | 1-3/16" | 2-1/4" | 9/64" |
1-1/4 | 1-5/16" | 2-1/2" | 5/32" |
1-1/2 | 1-7/16" | 3" | 3/16" |
1-5/8 | 1-3/4" | 3-3/4" | 3/16" |
1-3/4 | 1-7/8" | 4" | 3/16" |
2 | 2-1/8" | 4-1/2" | 3/16" |
ASME B18.2.1 Alloy Steel Grade 12.9 Hex Head Bolt size (Inch Series)
Nominal or Basic Product Diameter | E | F | G | H | J | LT (Thread Length) | Y | ||||||||
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Body Diameter | Width Across Flats | Width Across Corners | Head Height | Wrenching Height | For 12.9 Bolt Lengths | For 12.9 Bolt Lengths | Transition Thread Length | ||||||||
1/4 | 0.25 | 0.25 | 0.245 | 7/16 | 0.438 | 0.428 | 0.505 | 0.488 | 5/32 | 0.163 | 0.150 | 0.106 | 0.750 | 1.000 | 0.250 |
5/16 | 0.3125 | 0.3125 | 0.3065 | 1/2 | 0.500 | 0.489 | 0.577 | 0.557 | 13/64 | 0.211 | 0.195 | 0.140 | 0.875 | 1.125 | 0.278 |
3/8 | 0.375 | 0.375 | 0.369 | 9/16 | 0.562 | 0.551 | 0.650 | 0.628 | 15/64 | 0.243 | 0.226 | 0.160 | 1.000 | 1.250 | 0.312 |
7/16 | 0.4375 | 0.4375 | 0.4305 | 5/8 | 0.625 | 0.612 | 0.722 | 0.698 | 9/32 | 0.291 | 0.272 | 0.195 | 1.125 | 1.375 | 0.357 |
1/2 | 0.5 | 0.5 | 0.493 | 3/4 | 0.750 | 0.736 | 0.866 | 0.840 | 5/16 | 0.323 | 0.302 | 0.215 | 1.250 | 1.500 | 0.385 |
9/16 | 0.5625 | 0.5625 | 0.5545 | 13/16 | 0.812 | 0.798 | 0.938 | 0.910 | 23/64 | 0.371 | 0.348 | 0.250 | 1.375 | 1.625 | 0.417 |
5/8 | 0.625 | 0.625 | 0.617 | 15/16 | 0.938 | 0.922 | 1.083 | 1.051 | 25/64 | 0.403 | 0.378 | 0.269 | 1.500 | 1.750 | 0.455 |
3/4 | 0.75 | 0.75 | 0.741 | 1-1/8 | 1.125 | 1.100 | 1.299 | 1.254 | 15/32 | 0.483 | 0.455 | 0.324 | 1.750 | 2.000 | 0.500 |
7/8 | 0.875 | 0.875 | 0.866 | 1-5/16 | 1.312 | 1.285 | 1.516 | 1.465 | 35/64 | 0.563 | 0.531 | 0.378 | 2.000 | 2.250 | 0.556 |
1 | 1 | 1 | 0.99 | 1-1/2 | 1.500 | 1.469 | 1.732 | 1.675 | 39/64 | 0.627 | 0.591 | 0.416 | 2.250 | 2.500 | 0.625 |
1-1/8 | 1.125 | 1.125 | 1.114 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 11/16 | 0.718 | 0.658 | 0.461 | 2.500 | 2.750 | 0.714 |
1-1/4 | 1.25 | 1.25 | 1.239 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 25/32 | 0.813 | 0.749 | 0.530 | 2.750 | 3.000 | 0.714 |
1-1/2 | 1.5 | 1.5 | 1.488 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 15/16 | 0.974 | 0.902 | 0.640 | 3.250 | 3.500 | 0.833 |
Carbon Steel 12.9 Bolt | C | P | S | B |
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0.28-0.5 | 0.025 | 0.025 | 0.003 |
Bolt Class and Material |
Bolt Size Range (mm) |
Mechanical Properties | |||
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Proof Load (MPa) |
Min. Yield Stress (MPa) |
Hardness [Rockwell] | Min. Tensile Strength (MPa) |
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Class 12.9 Alloy steel, quenched and tempered | 1.6mm - 100mm | 970 | 1100 |
C39–44 | 1220 |
Tensile, min | Yield, min | |||||
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Material | Grade | ASTM | Mpa | ksi | Mpa | ksi |
Alloy steel; quench and tempered | Class 12.9 | A574 | 1220 | 177 | 1100 | 160 |
Products | FOB Price US $ |
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Grade 12.9 ASTM A325 High Strength Hot Dip Galvanized Hex Bolt and Nuts | US $0.01-$0.03/ Piece |
DIN931 DIN933 metric Grade 12.9 galvanized hex bolt | US $0.005-$0.25/ Piece |
DIN6921 zinc serrated full thread grade 12.9 hex flange bolt | US $0.01-$0.10/ Piece |
Hot dip galvanized DIN933 full thread grade 12.9 Hex Bolt | $0.01-$0.02/ Piece |
Grade 12.9 Yellow Zinc Galvanizing Hex Bolt DIN933 | US $0.01-$0.20/ Piece |
Grade 12.9 DIN931 Hex Bolts and Nuts | US $0.50/ Piece |
DIN 912 Galvanized grade 12.9 hexagon socket cap allen bolt | US $0.006-$0.09/ Piece |
Black oxide M52 m26 m68 M24 grade 12.9 hexagonal head tensile bolt | US $0.10/ Piece |
High strength hex full tooth head bolt 12.9 grade hex head bolt M8 70~150mm length | US $0.08-$0.30/ Piece |
H.D.G Astm A325 High Strength Grade 12.9 Structural Heavy Hex Head bolt (Zinc Plated Black oxide) | US $0.02-$0.08/ Piece |
DIN6921 Hexagon flange bolts 12.9 grade Carbon steel M10*40 | US $0.06/ Piece |
Call us or send us an email to sales@jigneshsteel.com for more details. Always compare our price with other Grade 12.9 Bolts manufacturers in India or China