ASTM A193 B8C

Manufacturer of SA 193 Gr B8c Hex Bolt in India, as per EN 10204 / 3.1B

ASTM A193 B8C Bolts

SA 193 B8C Stud

ASTM A 193 GR B8C Nuts
Finding the most trusted and certified ASTM A193 B8C Manufacturer in India? You have come to the right place Click Here to Contact
Table Of Content
- ASTM A193 B8C Specifications
- Size Chart Of A193 B8C Fasteners
- Most Common Types Of ASTM A193 B8C
- SA 193 B8C Screws Tensile Class
- Dimension Of A193 Gr B8C Hex Bolts
- ASTM B8C Socket Head Cap Screw Weight Chart Table
- Manufacturing Technique Of B8C Stainless Steel Fasteners
- ASTM B8C Self Tapping Screw Torque Charts
- Grade B8C Stainless Steel Bolts Dimension Table
- Application Of ASTM A193 Grade B8C Fasteners
- A193 Gr B8C Class 2 Heavy Hex Bolts Chemical Composition
- Mechanical Properties Of ASME SA193 B8C Anchor Bolts
- Equivalent Grades Of ASTM A193 B8C
- Why ASTM A193 Grade B8C Stainless Steel Fasteners Are Used In Petrochemicals ?
- ASTM A193 B8C DIN Standard
- Dimensions Of A193 Grade B8C Stud Bolts
- Does KM Steel Provide Shipping to Africa Country ?
- ASME SA193 Gr B8C Eye Bolts Temperatures Ranging
- Maximum Hardness Requirement Of SA 193 Grade B8C Countersunk Screws
- ASTM A193 B8C Stainless Steel Flat Washer Size Chart
- What happens If We Don’t Use Washers While Using The ASME SA193 B8C Hex Bolts ?
- Grade B8C Stainless Steel Threaded Rod Threads Type
- Surface Finish Of ASTM A193 Grade B8C Stainless Steel Square Head Bolts
- SA193 B8C Countersunk Screws Shear Strength
- Dimensions Of ASTM A193 Grade B8C Hex Nuts
- B8C Class 1 Fasteners Testing Tool & Equipment
- Thread Types ASME SA193 B8C Hex Nut
- Delivery Time Table Of ASTM A193 B8C Fasteners

Supplier of A193 B8C Stud Bolt With High Heat-bearing Capacity, View Specification.
ASTM A193 B8C Specifications
![]()
- Nut : M2 To M20
- Bolts & Screw : M1.2 To M48
- Threaded Rod : M4 To M45
![]()
- UNC BSF
- UNF
- METRIC
- BSW
![]()
- Rounded
- Saw cut
- Sheared
- Chamfer, Flat
![]()
- High Tensile Strength
- High Corrosion
- Ideal for Harsh Environments
- Perfect for High-stress Applications
![]()
- Threading
- Cold Drawn

- Coarse Threads
- Fine Threads
![]()
- Power Plants
- Marine
- Heat Exchangers
- Oil and Gas industry
![]()
- UAE, Abu Dhabi
- Oman, Saudi Arabia
- USA, Dubai
- South Africa
![]()
- ASTM A193
- ASME SA193
- UNS: S34700
![]()
- Cold Forging
- Hot Forging
- CNC machined
![]()
- Corrugated Box
- Small Pack
- Carton
- Pallet
![]()
- Custom logo
- Material grade
- Heat number
- Specification
![]()
- Flattening
- Creep Testing
- Hardness Testing
- Wedge & Axial Tensile
- Double Shear
![]()
- Nickel Plated, Anodizing
- Self-Colour, HDG, BZP
- Plated Zinc-nickel
- Geometry, Dacroment
- Zinc, Black Oxide
Size Chart Of A193 B8C Fasteners

| Nominal Size | A Head Diam | S Head Side Height | T Key Engagmt | K Chamfer or Radius | D Body Diam | H Head Height | J Hex Socket Size | G Wall Thkns | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | Max | Min | Max | |||||
| 1 | 0.073 | 0.118 | 0.112 | 0.066 | 0.031 | 0.003 | 0.073 | 0.0695 | 0.073 | 0.07 | 1/16 | 0.062 | 0.025 |
| 3 | 0.099 | 0.161 | 0.154 | 0.089 | 0.044 | 0.003 | 0.099 | 0.0949 | 0.099 | 0.095 | 5/64 | 0.078 | 0.034 |
| 5 | 0.125 | 0.205 | 0.198 | 0.112 | 0.057 | 0.005 | 0.125 | 0.1202 | 0.125 | 0.121 | 3/32 | 0.094 | 0.043 |
| 8 | 0.164 | 0.27 | 0.262 | 0.148 | 0.077 | 0.005 | 0.164 | 0.1585 | 0.164 | 0.159 | 9/64 | 0.141 | 0.056 |
| 1/4 | 0.25 | 0.375 | 0.365 | 0.225 | 0.12 | 0.008 | 0.25 | 0.2435 | 0.25 | 0.244 | 3/16 | 0.188 | 0.095 |
| 3/8 | 0.375 | 0.562 | 0.55 | 0.337 | 0.182 | 0.008 | 0.375 | 0.3678 | 0.375 | 0.368 | 5/16 | 0.312 | 0.143 |
| 1/2 | 0.5 | 0.75 | 0.735 | 0.45 | 0.245 | 0.01 | 0.5 | 0.4919 | 0.5 | 0.492 | 3/8 | 0.375 | 0.19 |
| 3/4 | 0.75 | 1.125 | 1.107 | 0.675 | 0.37 | 0.01 | 0.75 | 0.7406 | 0.75 | 0.74 | 5/8 | 0.625 | 0.285 |
| 1 | 1 | 1.5 | 1.479 | 0.9 | 0.495 | 0.015 | 1 | 0.9886 | 1 | 0.988 | 3/4 | 0.75 | 0.38 |
| 0 | 0.06 | 0.096 | 0.091 | 0.054 | 0.025 | 0.003 | 0.06 | 0.0568 | 0.06 | 0.057 | – | 0.05 | 0.02 |
| 2 | 0.086 | 0.14 | 0.134 | 0.077 | 0.038 | 0.003 | 0.086 | 0.0822 | 0.086 | 0.083 | 5/64 | 0.078 | 0.029 |
| 4 | 0.112 | 0.183 | 0.176 | 0.101 | 0.051 | 0.005 | 0.112 | 0.1075 | 0.112 | 0.108 | 3/32 | 0.094 | 0.038 |
| 6 | 0.138 | 0.226 | 0.218 | 0.124 | 0.064 | 0.005 | 0.138 | 0.1329 | 0.138 | 0.134 | 7/64 | 0.109 | 0.047 |
| 10 | 0.19 | 0.312 | 0.303 | 0.171 | 0.09 | 0.005 | 0.19 | 0.184 | 0.19 | 0.185 | 5/32 | 0.156 | 0.065 |
| 5/16 | 0.3125 | 0.469 | 0.457 | 0.281 | 0.151 | 0.008 | 0.3125 | 0.3053 | 0.312 | 0.306 | 1/4 | 0.25 | 0.119 |
| 7/16 | 0.4375 | 0.656 | 0.642 | 0.394 | 0.213 | 0.01 | 0.4375 | 0.4294 | 0.438 | 0.43 | 3/8 | 0.375 | 0.166 |
| 5/8 | 0.625 | 0.938 | 0.921 | 0.562 | 0.307 | 0.01 | 0.625 | 0.6163 | 0.625 | 0.616 | 1/2 | 0.5 | 0.238 |
| 7/8 | 0.875 | 1.312 | 1.293 | 0.787 | 0.432 | 0.015 | 0.875 | 0.8647 | 0.875 | 0.864 | 3/4 | 0.75 | 0.333 |
Most Common Types Of ASTM A193 B8C
ASTM A193 B8C Bolts Supplier in India offers a variety of the most popular types.

A193 B8C Hex Bolts

SA 193 B8C Heavy Hex Bolts

A193 Gr B8C Stud Bolts

ASTM B8C Threaded Rods

ASTM A193 Grade B8C Anchor Bolts

ASTM A 193 GR B8C Eye Bolts

SA 193 Gr B8C Socket Head Cap Screws

SA193 B8C Countersunk Screws

B8C Stainless Steel U Bolts

ASTM A193 B8C Class 2 Square Head Bolts
B8C Bolt & SA 193 Gr B8c Class 1 Fasteners With Two Different Tensile Class
SA 193 B8C Screws Tensile Class

ASTM A193 B8C Class 1
Carbide Solution Treated

ASTM A193 B8C Class 2
Strain Hardened & Carbide Solution Treated
Dimension Of A193 Gr B8C Hex Bolts

| Diameter D | Across the Flats F | Head Height H | Body Diam D | Across the Corners | Thread Lengths T | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | Max | Min | < 6” | > 6” | |
| 5/8 | 1.062 | 1.031 | 0.444 | 0.378 | 0.642 | 0.605 | 1.227 | 1.175 | 1.5 | 1.75 |
| 3/4 | 1.25 | 1.212 | 0.524 | 0.455 | 0.768 | 0.729 | 1.443 | 1.383 | 1.75 | 2 |
| 7/8 | 1.438 | 1.394 | 0.604 | 0.531 | 0.895 | 0.852 | 1.66 | 1.589 | 2 | 2.25 |
| 1 1/8 | 1.812 | 1.756 | 0.78 | 0.658 | 1.149 | 1.098 | 2.093 | 2.002 | 2.5 | 2.75 |
| 1 3/8 | 2.188 | 2.119 | 0.94 | 0.81 | 1.404 | 1.345 | 2.526 | 2.416 | 3 | 3.25 |
| 2 | 3.125 | 3.025 | 1.388 | 1.175 | 2.039 | 1.964 | 3.608 | 3.449 | 4.25 | 4.5 |
| 2 3/4 | 4.25 | 4.112 | 1.869 | 1.632 | 2.827 | 2.711 | 4.907 | 4.688 | 5.75 | 6 |
| 1/2 | 0.875 | 0.85 | 0.364 | 0.302 | 0.515 | 0.482 | 1.01 | 0.969 | 1.25 | 1.5 |
| 2 1/2 | 3.875 | 3.75 | 1.708 | 1.479 | 2.559 | 2.461 | 4.474 | 4.275 | 5.25 | 5.5 |
| 1 1/2 | 2.375 | 2.3 | 1.036 | 0.902 | 1.531 | 1.47 | 2.742 | 2.622 | 3.25 | 3.5 |
| 1 | 1.625 | 1.575 | 0.7 | 0.591 | 1.022 | 0.976 | 1.876 | 1.796 | 2.25 | 2.5 |
| 1 1/4 | 2 | 1.938 | 0.876 | 0.749 | 1.277 | 1.223 | 2.309 | 2.209 | 2.75 | 3 |
| 1 3/4 | 2.75 | 2.662 | 1.196 | 1.054 | 1.785 | 1.716 | 3.175 | 3.035 | 3.75 | 4 |
| 2 1/4 | 3.5 | 3.388 | 1.548 | 1.327 | 2.305 | 2.214 | 4.041 | 3.862 | 4.75 | 5 |
| 3 | 4.625 | 4.475 | 2.06 | 1.815 | 3.081 | 2.961 | 5.34 | 5.102 | 6.25 | 6 |
ASTM B8C Socket Head Cap Screw Weight Chart Table
| Length mm | Diam Of Bolts | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| m 6 | m 10 | m 14 | m 18 | m 22 | m 20 | m 16 | m 12 | m 8 | m 5 | |
| 20 | 0.812 | 3.411 | – | – | – | – | – | 4.892 | 1.711 | 0.598 |
| 30 | 1.01 | 3.912 | 9.69 | – | – | 18.657 | 10.707 | 5.574 | 2.07 | 0.737 |
| 40 | 1.23 | 4.533 | 10.29 | 16.667 | – | 20.747 | 12.107 | 6.41 | 2.47 | 0.881 |
| 50 | 1.45 | 5.155 | 11.26 | 17.857 | 28.409 | 22.727 | 13.624 | 7.299 | 2.87 | 1.03 |
| 60 | 1.67 | 5.774 | 12.26 | 20 | 32.051 | 25.126 | 15.244 | 8.183 | 3.27 | – |
| 70 | 1.89 | 6.394 | 12.99 | 22.124 | 35.461 | 27.778 | 16.835 | 9.058 | 3.671 | – |
| 80 | 2.111 | 7.013 | 13.89 | 24.51 | 40 | 30.303 | 18.248 | 10 | 4.072 | – |
| 100 | – | 8.251 | 16.34 | 27.778 | 46.296 | 35.714 | 21.459 | 11.82 | 4.873 | – |
| 120 | – | 9.506 | 18.8 | 32.895 | 50 | 40.984 | 24.631 | 13.624 | – | – |
| 140 | – | 10.71 | 20.83 | 35.461 | 55.556 | 46.296 | 27.933 | 15.432 | – | – |
| 160 | – | 11.91 | 24.27 | 40.984 | 61.728 | 50.505 | 31.056 | 17.241 | – | – |
| 180 | – | 13.12 | 26.88 | – | 67.568 | 55.556 | 34.247 | 19.011 | – | – |
| 200 | – | 14.33 | 29.59 | 49.02 | 73.529 | 60.976 | 37.594 | 20.833 | – | – |
| 240 | – | 16.72 | – | – | 84.746 | 71.429 | 43.86 | 24.51 | – | – |
| 260 | – | 17.92 | – | – | 90.909 | 76.923 | 47.17 | 26.316 | – | – |
| 300 | – | 20.33 | – | – | 104.17 | 87.719 | 53.763 | 29.94 | – | – |
| 340 | – | – | – | – | – | 98.039 | 60.241 | 33.557 | – | – |
| 380 | – | – | – | – | – | 108.7 | 66.667 | 37.037 | – | – |
| 16 | 0.743 | 3.211 | – | – | – | – | – | – | 1.59 | 0.448 |
| 25 | 0.897 | 3.66 | 8.17 | – | – | – | – | 5.252 | 1.871 | 0.66 |
| 35 | 1.12 | 4.223 | 10 | 16.026 | – | 19.608 | 11.416 | 5.974 | 2.271 | 0.804 |
| 45 | 1.34 | 4.84 | 10.5 | 17.241 | – | 21.739 | 12.821 | 6.859 | 2.671 | 0.958 |
| 55 | 1.56 | 5.464 | 11.63 | 18.868 | 30.12 | 23.81 | 14.409 | 7.74 | 3.071 | – |
| 65 | 1.781 | 6.083 | 12.63 | 21.008 | 34.014 | 26.455 | 16.026 | 8.621 | 3.472 | – |
| 75 | 2 | 6.702 | 13.23 | 23.256 | 39.063 | 29.07 | 17.606 | 9.506 | 3.873 | – |
| 90 | – | 7.634 | 14.93 | 26.042 | 41.667 | 33.113 | 19.841 | 10.917 | 4.472 | – |
| 110 | – | 8.881 | 17.73 | 31.25 | 47.17 | 38.168 | 23.041 | 12.723 | – | – |
| 130 | – | 10.1 | 20 | 34.722 | 52.632 | 43.478 | 26.316 | 14.535 | – | – |
| 150 | – | 11.31 | 22.22 | 37.594 | 58.824 | 48.544 | 29.412 | 16.34 | – | – |
| 170 | – | 12.5 | – | – | 64.935 | 53.191 | 32.68 | 18.116 | – | – |
| 190 | – | 13.74 | – | – | 70.423 | 58.14 | 35.971 | 19.92 | – | – |
| 220 | – | 15.53 | – | – | 79.365 | 65.789 | 40.65 | 22.624 | – | – |
| 250 | – | 17.3 | – | – | 87.719 | 74.627 | 45.455 | 25.381 | – | – |
| 280 | – | 19.16 | – | – | 98.039 | 81.967 | 50.505 | 28.09 | – | – |
| 320 | – | – | – | – | – | 92.593 | 56.818 | 31.646 | – | – |
| 360 | – | – | – | – | – | 104.17 | 63.291 | 35.211 | – | – |
| 400 | – | – | – | – | – | 113.64 | 69.444 | 39.063 | – | – |
Stockist of ASME SA193 Grade B8C Screw in Mumbai, Available in Roll Threading and CNC Machined
Manufacturing Technique Of B8C Stainless Steel Fasteners

ASTM B8C Self Tapping Screw Torque Charts
| Nominal Diam | Threads per inch | Tensile Stress Area | Lubricated Clamp Load | Dry Clamp Load |
|---|---|---|---|---|
| 3/8″ | 24 | 0.0878 | 1976 lbs | 1054 lbs |
| 1/4″ | 28 | 0.0364 | 818 lbs | 436 lbs |
| 1/2″ | 20 | 0.1600 | 3599 lbs | 1919 lbs |
| 7/16″ | 20 | 0.1187 | 2671 lbs | 1425 lbs |
| 3/4″ | 16 | 0.3730 | 8392 lbs | 4476 lbs |
| 5/8″ | 18 | 0.2560 | 5759 lbs | 3071 lbs |
| 1″ | 14 | 0.6799 | 15297 lbs | 8159 lbs |
| 7/8″ | 14 | 0.5095 | 11463 lbs | 6114 lbs |
| 1 3/8″ | 12 | 1.3147 | 29581 lbs | 15777 lbs |
| 1 1/4″ | 12 | 1.0729 | 24141 lbs | 12875 lbs |
| 1 1/2″ | 12 | 1.5810 | 53360 lbs | 18972 lbs |
Grade B8C Stainless Steel Bolts Dimension Table
| Nominal Size D | Head Thickne | Acro Corners | Body Diameter | Acro The Flats | ||||
|---|---|---|---|---|---|---|---|---|
| H Max | H Min | C Max | C Min | D Max | D Min | F Max | F Min | |
| m10 | 6.63 | 6.17 | 18.48 | 17.77 | 10 | 9.78 | 17 | 15.73 |
| m16 | 10.32 | 9.68 | 27.71 | 26.75 | 16 | 15.73 | 24 | 23.67 |
| m12 | 7.76 | 4.24 | 20.78 | 20.03 | 12 | 11.73 | 19 | 17.73 |
| m30 | 19.48 | 17.92 | 53.12 | 50.85 | 30 | 29.67 | 46 | 45 |
| m42 | 26.97 | 25.03 | 75.06 | 71.71 | 42 | 41.38 | 65 | 62.9 |
| m64 | 41.32 | 38.68 | 109.7 | 104.65 | 64 | 63.26 | 95 | 91.8 |
| m72 | 46.45 | 43.55 | 121.24 | 115.6 | 72 | 71.26 | 105 | 101.4 |
| m100 | 63.9 | 60.1 | 167.43 | 159.6 | 90 | 99.13 | 145 | 140 |
| m48 | 31.07 | 28.93 | 86.6 | 82.76 | 48 | 47.38 | 75 | 72.6 |
| m14 | 9.09 | 8.51 | 24.25 | 23.35 | 14 | 13.73 | 22 | 20.67 |
| m20 | 12.88 | 12.12 | 34.64 | 32.95 | 20 | 19.67 | 30 | 29.16 |
| m24 | 15.44 | 14.56 | 41.57 | 39.55 | 24 | 23.67 | 36 | 35 |
| m36 | 23.38 | 21.63 | 63.51 | 60.79 | 36 | 35.61 | 55 | 53.8 |
| m56 | 36.2 | 33.8 | 98.15 | 93.71 | 56 | 55.26 | 85 | 82.2 |
| m90 | 57.74 | 54.26 | 150.11 | 143.07 | 90 | 89.13 | 130 | 125.5 |
| m80 | 51.58 | 48.42 | 132.72 | 126.54 | 80 | 79.26 | 115 | 111 |
Leading ASTM A193 B8C Supplier in India, offering fasteners for demanding industrial and marine environments
A193 B8C Class 1 Socket Head Cap Screws for OCTG, Oil and Gas Sector, Refer Material Properties.
Application Of ASTM A193 Grade B8C Fasteners

A193 Gr B8C Class 2 Heavy Hex Bolts Chemical Composition
Manufacturer of SA 193 Gr B8c Hex Bolt in India, as per EN 10204 / 3.1B Provides Accurate Chemical Composition of Fasteners.
|
Carbon 0.08 (Max.) |
Silicon (Si) 1.00% (Max.) |
Manganese (Mn) 2.00% (Max) |
Phosphorus (P) 0.045% |
|
Sulfur (S) 0.030% (Max) |
Chromium (Cr) 17.00 – 19.00% |
Columbium (NB) 10 x Carbon Content |
Nickel (Ni) 9.00 – 12.00% |
Mechanical Properties Of ASME SA193 B8C Anchor Bolts
| Tensile Class | – | ASTM A193 Grade B8C Class 1 |
|---|---|---|
| Diameter | 3/4 and under | All Sizes |
| Yield Strength | 100 ksi | 30 ksi |
| Tensile Strength | 125 ksi | 75 ksi |
| Reduction of Area | 35% | 50% |
| Elongation in 4D | 12% | 30% |
Equivalent Grades Of ASTM A193 B8C
ASTM A193 B8C Manufacturer in India offers Fasteners with Equivalent Material Grades.

UNS (North America)
UNS S34700

Werkstoff No (Russia)
WNR 1.4550
Why ASTM A193 Grade B8C Stainless Steel Fasteners Are Used In Petrochemicals ?

Dimensions Of A193 Grade B8C Stud Bolts
| Diam | Plain | |
|---|---|---|
| 8UN | UNC | |
| 5/8 | – | 19569 |
| 7/8 | – | 19571 |
| 11/8 | 13979 | 19573 |
| 13/8 | 13981 | 19656 |
| 13/4 | 13983 | 19658 |
| 1/2 | – | 19568 |
| 3/4 | – | 19570 |
| 1 | – | 19572 |
| 11/4 | 13980 | 19574 |
| 11/2 | 13982 | 19657 |
| 2 | 13984 | 19659 |
ASTM A193 B8C DIN Standard
- DIN 610
- DIN 961
- DIN 933
- DIN 7990
- DIN 960
- DIN 931
Does KM Steel Provide Shipping to Africa Country ?
Suplier of ASTM A193 B8C, Supply AISI 316 Bolt & Nuts in Various Countries
| Country | Country Name | Country | Country Name |
|---|---|---|---|
![]() |
Algeria | ![]() |
Tanzania |
![]() |
South africa | ![]() |
Egypt |
![]() |
Nigeria | ![]() |
Ethiopia |
![]() |
Kenya | ![]() |
Zambia |
![]() |
Angola | ![]() |
Ghana |
ASME SA193 Gr B8C Eye Bolts Temperatures Ranging
| Temperatures Ranging | -196°C to 870°C |
|---|
Maximum Hardness Requirement Of SA 193 Grade B8C Countersunk Screws
| Temperatures Ranging | -196°C to 870°C |
|---|
ASTM A193 B8C Stainless Steel Flat Washer Size Chart

| Nominal Size | Outside Diam | Washer Thickness | Hole Diam |
|---|---|---|---|
| M2 | 5 | 0.3 | 2.2 |
| M2.6 | 7 | 0.5 | 2.8 |
| M3.5 | 8 | 0.5 | 3.7 |
| M5 | 10 | 1 | 5.3 |
| M7 | 14 | 1.6 | 7.4 |
| M10 | 20 | 2 | 10.5 |
| M14 | 28 | 2.5 | 15 |
| M18 | 34 | 3 | 19 |
| M22 | 39 | 3 | 23 |
| M27 | 50 | 4 | 28 |
| M33 | 60 | 5 | 34 |
| M39 | 72 | 6 | 40 |
| M45 | 85 | 7 | 46 |
| M52 | 98 | 8 | 54 |
| M1.6 | 4 | 0.3 | 1.7 |
| M2.5 | 6 | 0.5 | 2.7 |
| M3 | 7 | 0.5 | 3.2 |
| M4 | 9 | 0.8 | 4.3 |
| M6 | 12 | 1.6 | 6.4 |
| M8 | 16 | 1.6 | 8.4 |
| M12 | 24 | 2.5 | 13 |
| M16 | 30 | 3 | 17 |
| M20 | 37 | 3 | 21 |
| M24 | 44 | 4 | 25 |
| M30 | 56 | 4 | 31 |
| M36 | 66 | 5 | 37 |
| M42 | 78 | 7 | 43 |
| M48 | 92 | 8 | 50 |
| M56 | 105 | 9 | 58 |
What happens If We Don’t Use Washers While Using The ASME SA193 B8C Hex Bolts ?
If you don’t use a washer then the lifespan of the device reduces drastically
Grade B8C Stainless Steel Threaded Rod Threads Type

Surface Finish Of ASTM A193 Grade B8C Stainless Steel Square Head Bolts
- Plated zinc-nickel
- Sherardized
- Zinc Alluminium Flake Coating
- Zinc Electro Plating
- Dacroment
- Zinc Phosphat
- Nickel plated
- Self-Colour
- Geometry
SA193 B8C Countersunk Screws Shear Strength
| Size Of m | A1/ A2/ A4-80 | A1/ A2/ A4-50 | A1/ A2/ A4-70 |
|---|---|---|---|
| m 3.5 | 5424 | 3390 | 4646 |
| m 5 | 11360 | 7100 | 9940 |
| m 7 | 23120 | 14450 | 20230 |
| m 10 | 46400 | 29000 | 40600 |
| m 14 | 92000 | 57500 | 80500 |
| m 18 | 153600 | 96000 | 134400 |
| m 22 | 242400 | 151500 | 212100 |
| m 27 | 367200 | 229500 | 321300 |
| m 33 | 653600 | 408500 | 571900 |
| m 39 | 780800 | 488000 | 683200 |
| m 3 | 4024 | 2515 | 3521 |
| m 4 | 7024 | 4390 | 6146 |
| m 6 | 16080 | 10050 | 14070 |
| m 8 | 29280 | 18300 | 25620 |
| m 12 | 67440 | 42150 | 59010 |
| m 16 | 125600 | 78500 | 109900 |
| m 20 | 196000 | 122500 | 171500 |
| m 24 | 282400 | 176500 | 247100 |
| m 30 | 448800 | 280500 | 392700 |
| m 36 | 653600 | 408500 | 571900 |
Dimensions Of ASTM A193 Grade B8C Hex Nuts

| Nominal Size Of Thread Diam | F | G | H | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Across Flats Width | Across Corners Width | Thickness Row | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 5/16 | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
| 1/4 | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
| 7/16 | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
| 3/8 | .3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | .337 | .479 |
| 9/16 | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
| 1/2 | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
| 3/4 | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
| 5/8 | .6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | .559 | .535 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | .887 | .831 |
| 7/8 | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
| 1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
| 1-1/2 | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
| 2 | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
| 2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
B8C Class 1 Fasteners Testing Tool & Equipment
- Thread Gauge & Smooth Plug Gauge
- Micrometer For Accurate Measurement
- Roughness Tester
- Routine Inspection Of Calipers
- Coordinate Measuring Machine
- Image Measuring Instrument
Reliable ASTM A193 B8C Supplier in India, ideal for marine applications.
Thread Types ASME SA193 B8C Hex Nut

Delivery Time Table Of ASTM A193 B8C Fasteners
| Country Name | Delivery Time |
|---|---|
| Singapore | 8 days |
| South Africa | 25-30 days |
| Thailand | 7 days |
| Saudi Arabia | 7 days |
| Indonesia | 9 days |
| Brazil | 45-60 days |
| Australia | 60 days |
| Jordan | 21 days |
| Egypt | 18 days |
| UAE/ Dubai | 5 days |
Why Choose KM Steel India ?
- ISO & PED Approved Manufacturer & Supplier for Fastening Products
- Importer and Exporter of Hex Bolts, Threaded Rod, Studs, Socket Head cap screws in Maharashtra.
- Top 5 Trader & Wholesaler of Set screws, Machine screws, Washers, Heavy Hex head bolt, Double Ended Studs in India, For Low and High Temperature Applications.
- Offer Inexpensive Rates to the local Distributor & Reseller Binondo, Saudi Arabia, Manila, Quezon city, South Africa, UAE, Sharjah, Philippines, Cebu, Penang.
- Stockist of Rivets, Hex Nuts, Lock Nuts, Bolts and Nuts Used in Various Industries and Applications For Fastening and Securing Purposes in Maharashtra.










