
ASTM A194 Grade 8m Nuts
Refer ASME SA194 8M Class 2 Heavy Hex Nuts Chemical Composition And Metric A194 8M CL 1 Flat Washer Mechanical Properties.
The ASTM A194 specification includes carbon, alloy, and stainless steel Nuts resistant to high temperature and high-pressure environments. The ASTM A194 Grade 8m Nuts has several excellent properties, like light weightedness and corrosion resistance. We are one of the top manufacturers of quality ASTM A194 Grade 8M Heavy Hex Nuts, and our products are reliable across various industries. We use the best raw material in the manufacturing process, which makes the nuts durable, and they can even last for a lifetime. We manufacture ASTM A194 Grade 8M Hex Nuts in a wide range of sizes and finishes to match the demands of our esteemed clients. They are available in different thicknesses too. These nuts are easily fabricable, which also helps in enhancing the corrosion resistance properties of the ASTM A194 Grade 8M material.
Accurate development and sturdy designs of SA 194 8M Class 2 Square Nuts are done under the supervision of our experienced team members. It helps in improving the performance and toughness of the nuts manufactured by us. Our A194 Gr 8M Split Washers are widely used in the food processing industry- especially in equipment that does beer brewing, winemaking, and so on. They are also used in various domestic cooking appliances like kitchen benches, sink machinery, etc.
We have a well-equipped production unit where we manufacture Grade 8M Flange Nuts with dimensional accuracy. Apart from the whole manufacturing process, we also look closely at the ANSI A 194 Gr. 8M Nylon Insert Nuts packaging. We use wooden boxes, wooden cartons, or pallets to save the nuts from rust and other damages during transportation. We always adhere to the delivery timelines strictly and make the products reach the doorstep of our esteemed clients on time.


ASTM A194 Grade 8M Heavy Hex Nuts

ASTM A194 Grade 8M Hex Nuts

SA 194 8M Class 2 Square Nuts

Grade 8M Flange Nuts

A194 Gr 8M Split Washers
Table Of Contents
- ASTM A194 Grade 8M Chemical Composition
- ASTM A194 Grade 8M Mechanical Properties
- A194 Grade 8M Fasteners Material Specification
- Metric A194 Grade 8M Nuts Price
- ASTM A194 Grade 8M Nuts Dimensions
- ASTM A194 Grade 8M Heavy Hex Nuts Dimensions
- A194 Grade 8M Class 2 Square Nut Size Chart
- ANSI A 194 Gr. 8M Nylon Insert Nuts Dimensions
- A194 Grade 8M Dome Nuts Dimensions
- Stainless Steel Grade 8M Hex Lock Nuts Dimensions
- ASTM A194 Grade 8M Acron Nuts Dimensions
- ASME A194 Grade 8M Nuts Size Chart
- Weight Chart Of SA194 Hex Jam Nuts
- We Provide Type Of A194 Grade 8M Nuts Fastest Delivery To Our Customers
ASTM A194 Grade 8M Chemical Composition
Element | ASTM A194 Grade 7 Nuts | ASTM A194 Grade 8 Nuts | ASTM A194 Grade 8m Nuts | ASTM A194 Grade 816 Nuts |
---|---|---|---|---|
Carbon | 0.37 – 0.49% | 0.08% maximum | 0.08% maximum | 0.37 – 0.49% |
Manganese | 0.65 – 1.10% | 2.00% maximum | 2.00% maximum | 0.65 – 1.10% |
Phosphorus, maximum | 0.035% | 0.045% | 0.045% | 0.035% |
Sulfur, maximum | 0.040% | 0.030% | 0.030% | 0.040% |
Silicon | 0.15 – 0.35% | 1.00% maximum | 1.00% maximum | 0.15 – 0.35% |
Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% | 0.75 – 1.20% |
Nickel | 8.0 – 11.0% | 10.0 – 14.0% | ||
Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% | 0.15 – 0.25% |
ASTM A194 Grade 8M Mechanical Properties
Grade | Size | Tensile ksi, minimum | Yield, ksi, minimum | Elong, %, minimum | RA % minimum |
---|---|---|---|---|---|
A194 B7 Nuts | Up to 2-1/2 | 125 | 105 | 16 | 50 |
2-5/8 – 4 | 115 | 95 | 16 | 50 | |
4-1/8 – 7 | 100 | 75 | 18 | 50 | |
A194 B8 Class 1 Nuts | All | 75 | 30 | 30 | 50 |
A194 B8M Class 1 Nuts | All | 75 | 30 | 30 | 50 |
A194 B8 Class 2 Nuts | Up to 3/4 | 125 | 100 | 12 | 35 |
7/8 – 1 | 115 | 80 | 15 | 35 | |
1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
A194 B8M Class 2 Nuts | Up to 3/4 | 110 | 95 | 15 | 45 |
7/8 – 1 | 100 | 80 | 20 | 45 | |
1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 | |
A194 B16 Nuts | Up to 2-1/2 | 125 | 105 | 18 | 50 |
2-5/8 – 4 | 110 | 95 | 17 | 45 | |
4-1/8 – 7 | 100 | 85 | 16 | 45 |
A194 Grade 8M Fasteners Material Specification
Standard Specification Of | ASTM A194 Grade 8m Nuts |
---|---|
Melt Origin Country | Korea/ South America/ Japan/ East Europe |
Type Of Fasteners | Hex Bolts, Hex Nuts, Screws, Studs, Threaded Rod, Washer |
Size Type | Diameter 20 to 100 MM / Inches 3/4 to 3.1/2 |
Type Of Head | Hex, Threading, Square, Round |
Standard Dimensions Of | ASME B18.2.1 And ANSI B18.3 |
ASTM Standard Of Fasteners | ASTM A193 B6: Class 1 & Class 2, DIN 933 / 931, EN 4017/ And 4014, IS 1363 / 1363. |
Origin Of Product | Rajtilak Metal (Mumbai, India) |
Additional Requirements Of Nuts Bolts | NACE MR0103 And MR0175 & ISO 15156 |
Surface Finish | Plain / Zinc plated / Hot dip galvanised |
Surface Coating | Hot Dipped Galvanizing Coated Bolts Phosphate Coated Bolts Zinc Coated Bolts Cadmium Coated Bolts Teflon Coated Bolts Xylon Coated Bolts |
Metric A194 Grade 8M Nuts Price | |||||
---|---|---|---|---|---|
Type Of Fasteners | Size | Grade | Price In India (INR) Per Unit | ||
Hex Nuts | M20 X 80 | A194 Grade 8M | 80.00 | ||
Hex Nuts | M8 X90 Mm | A194 Grade 8M | 157.98 | ||
Hex Nuts | M20 X 120mm | A194 Grade 8M | 288.00 |
Please note this is an approx Price of SA 194 8M Class 2 Hex Nuts in India. For final ASTM A194 Grade 8m Nuts Price List Please Call on +91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com
Check Grade 8m Hex Nuts Dimensions And Size Chart, PED Approved A194 Gr 8M Split Washers Manufacturer In India.
ASTM A194 Grade 8M Nuts Dimensions

Nominal Size Of Thread Diameter | F | G | H | ||||||
Across Flats Width |
Across Corners Width |
Thickness Row | |||||||
Basic | Maximum | Minimum | Maximum | Minimum | Basic | Maximum | Minimum | ||
1/4 | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
5/16 | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
3/8 | .3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | .337 | .479 |
7/16 | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
1/2 | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
9/16 | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
5/8 | .6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | .559 | .535 |
3/4 | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
7/8 | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | .887 | .831 |
1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
1-1/2 | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
2 | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
ASTM A194 Grade 8M Heavy Hex Nuts Dimensions

Nominal Size For Thread Diameter |
F |
G |
H |
||||||
Width Of Across Flats |
Width Of Across Corners |
Thickness Table |
|||||||
Basic |
Maximum |
Minimum |
Maximum |
Minimum |
Basic |
Maximum |
Minimum |
||
1/4 |
.2500 |
7/16 |
.438 |
.428 |
.505 |
.488 |
7/32 |
.226 |
.212 |
5/16 |
.3125 |
1/2 |
.500 |
.489 |
.577 |
.557 |
17/64 |
.273 |
.258 |
3/8 |
.3750 |
9/16 |
.562 |
.551 |
.650 |
.628 |
21/64 |
.337 |
.479 |
7/16 |
.4375 |
11/16 |
.688 |
.675 |
.794 |
.768 |
3/8 |
.385 |
.365 |
1/2 |
.5000 |
3/4 |
.750 |
.736 |
.866 |
.840 |
7/16 |
.448 |
.427 |
9/16 |
.5625 |
7/8 |
.875 |
.861 |
1.010 |
.982 |
31/64 |
.496 |
.473 |
5/8 |
.6250 |
15/16 |
.938 |
.922 |
1.083 |
1.051 |
35/64 |
.559 |
.535 |
3/4 |
.7500 |
1-1/8 |
1.125 |
1.088 |
1.299 |
1.240 |
41/64 |
.665 |
.617 |
7/8 |
.8750 |
1-5/16 |
1.312 |
1.269 |
1.516 |
1.447 |
3/4 |
.776 |
.724 |
1 |
1.0000 |
1-1/2 |
1.500 |
1.450 |
1.732 |
1.653 |
55/64 |
.887 |
.831 |
1-1/8 |
1.1250 |
1-11/16 |
1.688 |
1.631 |
1.949 |
1.859 |
31/32 |
.999 |
.939 |
1-3/8 |
1.3750 |
2-1/16 |
2.062 |
1.994 |
2.382 |
2.273 |
1-11/64 |
1.206 |
1.138 |
1-1/2 |
1.500 |
2-1/4 |
2.250 |
2.175 |
2.598 |
2.480 |
1-9/32 |
1.ASTM A194 GR. 8 |
1.245 |
1-5/8 |
1.6250 |
2-7/16 |
2.438 |
2.356 |
2.815 |
2.686 |
1-25/64 |
1.429 |
1.353 |
1-3/4 |
1.7500 |
2-5/8 |
2.625 |
2.538 |
3.031 |
2.893 |
1-1/2 |
1.540 |
1.460 |
2 |
2.0000 |
3 |
3.000 |
2.900 |
3.464 |
3.306 |
1-23/32 |
1.763 |
1.675 |
2-1/4 |
2.2500 |
3-3/8 |
3.375 |
3.263 |
3.897 |
3.719 |
1-15/16 |
1.986 |
1.890 |
2-1/2 |
2.5000 |
3-3/4 |
3.750 |
3.625 |
4.330 |
4.133 |
2-5/32 |
2.209 |
2.105 |
2-3/4 |
2.7500 |
4-1/8 |
4.125 |
3.988 |
4.763 |
4.546 |
2-3/8 |
2.431 |
2.319 |
One of India’s Largest High Strength UNC Series A194 Grade 8M Locking Nuts Manufacturer And Stainless Steel Gr. 8M Belleville Washers Weight Chart.
A194 Grade 8M Class 2 Square Nut Size Chart

ANSI A 194 Gr. 8M Nylon Insert Nuts Dimensions

Diameter Of Nuts | Pitch | Nut Depth | Across Flats |
Metric 3 | 0.5mm | 4mm | 5.5mm |
Metric 4 | 0.7mm | 5mm | 7mm |
Metric 5 | 0.8mm | 5mm | 8mm |
Metric 6 | 1.0mm | 6mm | 10mm |
Metric 7 | 1.0mm | 7.5mm | 11mm |
Metric 8 | 1.25mm | 8mm | 13mm |
Metric 10 | 1.5mm | 10mm | 17mm |
Metric 12 | 1.75mm | 12mm | 19mm |
Metric 14 | 2mm | 14mm | 22mm |
Metric 16 | 2mm | 16mm | 24mm |
Metric 18 | 2.5mm | 18.5mm | 27mm |
Metric 20 | 2.5mm | 20mm | 30mm |
Metric 22 | 2.5mm | 22mm | 32mm |
Metric 24 | 3.0mm | 24mm | 36mm |
Metric 27` | 3.0mm | 27mm | 41mm |
Metric 30 | 3.5mm | 30mm | 46mm |
Metric 33 | 3.5mm | 33mm | 50mm |
Metric 36 | 4mm | 36mm | 55mm |
Metric 39 | 4mm | 39mm | 60mm |
Metric 42 | 4.5mm | 42mm | 65mm |
Metric 45 | 4.5mm | 45mm | 70mm |
Metric 48 | 5mm | 48mm | 75mm |
Metric 52 | 5mm | 52mm | 80mm |
Metric 56 | 5.5mm | 56mm | 85mm |
Metric 60 | 5.5mm | 60mm | 90mm |
Metric 64 | 6mm | 64mm | 95mm |
View A194 8M Stainless Steel Panel Nuts Specification Format And Buy ANSI A 194 Grade 8 Coupling Nut For Sale.
A194 Grade 8M Dome Nuts Dimensions

thread | Series 1 | Metric 4 | Metric 5 | Metric 6 | Metric 8 | Metric 10 | Metric 12 | (M14) | Metric 16 | (M18) | Metric 20 | (M22) | Metric 24 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Series 2 | - | - | - | M8x1 | M10x1 | M12x1,5 | (M14x1,5) | (M16x1,5) | (M18x1,5) | M20x2 | (M22x1,5) | M24x2 | |
Series 3 | - | - | - | - | M10x1,25 | M12x1,25 | - | - | (M18x2) | M20x1,5 | (M22x2) | - | |
P | Series 1 | 0,7 | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2 | 2,5 | 2,5 | 2,5 | 3 |
da | minimum | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
maximum | 4,6 | 5,75 | 6,75 | 8,75 | 10,8 | 13 | 15,1 | 17,3 | 19,5 | 21,6 | 23,7 | 25,9 | |
dk | maximum | 6,5 | 7,5 | 9,5 | 12,5 | 15 | 17 | 20 | 23 | 26 | 28 | 33 | 34 |
dw | minimum | 5,9 | 6,9 | 8,9 | 11,6 | 14,6 | 16,6 | 19,6 | 22,5 | 24,9 | 27,7 | 31,4 | 33,3 |
e minimum | Product grade A | 7,66 | 8,79 | 11,05 | 14,38 | 17,77 | 20,03 | 23,35 | 26,75 | 30,14 | 33,53 | 37,72 | 39,98 |
Product grade B | 7,5 | 8,63 | 10,89 | 14,2 | 17,59 | 19,85 | 22,78 | 26,17 | 29,56 | 32,95 | 37,29 | 39,55 | |
x maximum | Series 1 | 1,4 | 1,6 | 2 | 2,5 | 3 | - | - | - | - | - | - | - |
Series 2 | - | - | - | 2 | 2 | - | - | - | - | - | - | - | |
Series 3 | - | - | - | - | 2,5 | - | - | - | - | - | - | - | |
g2 maximum | Series 1 | - | - | - | - | - | 6,4 | 7,3 | 7,3 | 9,3 | 9,3 | 9,3 | 10,7 |
Series 2 | - | - | - | - | - | 5,6 | 5,6 | 5,6 | 5,6 | 7,3 | 5,6 | 7,3 | |
Series 3 | - | - | - | - | - | 4,9 | - | - | 7,3 | 5,6 | 7,3 | - | |
h | maximum nominimuml size | 8 | 10 | 12 | 15 | 18 | 22 | 25 | 28 | 32 | 34 | 39 | 42 |
minimum P. grade A | 7,64 | 9,64 | 11,57 | 14,57 | 17,57 | 21,48 | 24,48 | 27,48 | 32,38 | 33,38 | 38,38 | 41,38 | |
minimum P. grade B | 7,42 | 9,42 | 11,3 | 14,3 | 17,3 | 21,16 | 24,16 | 27,16 | 31 | 33 | 38 | 41 | |
m | maximum | 3,2 | 4 | 5 | 6,5 | 88 | 10 | 11 | 13 | 15 | 16 | 18 | 19 |
minimum | 2,9 | 3,7 | 4,7 | 6,14 | 7,64 | 9,64 | 10,3 | 12,3 | 14,3 | 14,9 | 16,9 | 17,7 | |
Mw | minimum | 2,32 | 2,96 | 3,76 | 4,91 | 6,11 | 7,71 | 8,24 | 9,84 | 11,44 | 11,92 | 13,52 | 14,16 |
r | approx. | 3,25 | 3,75 | 4,75 | 6,25 | 7,5 | 8,5 | 10 | 11,5 | 13 | 14 | 16,5 | 17 |
s | Maximum = nominimuml size | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 |
minimum P. grade A | 6,78 | 7,78 | 9,78 | 12,73 | 15,73 | 17,73 | 20,67 | 23,67 | 26,67 | 29,67 | 33,38 | 35,38 | |
minimum P. grade B | 6,64 | 7,64 | 9,64 | 12,57 | 15,57 | 17,57 | 20,16 | 23,16 | 26,16 | 29,16 | 33 | 35 | |
t | minimum | 5,26 | 7,21 | 7,71 | 10,65 | 12,65 | 15,65 | 17,65 | 20,58 | 24,58 | 25,58 | 28,58 | 30,5 |
maximum | 5,74 | 7,79 | 8,29 | 11,35 | 13,35 | 16,35 | 18,35 | 21,42 | 25,42 | 26,42 | 29,42 | 31,5 | |
w | minimum | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 5 | 5 | 6 |
Weight In Kilogram/1000pcs | - | - | 4,66 | 11 | 20,1 | 28,3 | - | 54,3 | 95 | 104 |
We Provide ASTM A194 Grade 8M Dome/ Gr. 8M Square/ Acorn/ Hex Jam/ Nylock Insert/ ASME A194 Grade 8M Wing Nuts With Good Quality In India.
Stainless Steel Grade 8M Hex Lock Nuts Dimensions

ASTM A194 Grade 8M Acron Nuts Dimensions

ASME A194 Grade 8M Nuts Size Chart
Size Of Nut (millimeter) |
Diameter Of (millimeter) |
Height Table (millimeter) |
||
---|---|---|---|---|
Hex Nut |
Jam Nut |
Nylock Nut |
||
2 |
4 |
1.6 |
1.2 |
- |
2.5 |
5 |
2 |
1.6 |
- |
3 |
5.5 |
2.4 |
1.8 |
4 |
4 |
7 |
3.2 |
2.2 |
5 |
5 |
8 |
4 |
2.7 |
5 |
6 |
10 |
5 |
3.2 |
6 |
7 |
11 |
5.5 |
3.5 |
- |
8 |
13 |
6.5 |
4 |
8 |
10 |
17 |
8 |
5 |
10 |
12 |
19 |
10 |
6 |
12 |
14 |
22 |
11 |
7 |
14 |
16 |
24 |
13 |
8 |
16 |
18 |
27 |
15 |
9 |
18.5 |
20 |
30 |
16 |
10 |
20 |
Weight Chart Of SA194 Hex Jam Nuts

We Provide Type Of A194 Grade 8M Nuts Fastest Delivery To Our Customers

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Locations we have supplied recently
ASTM A194 Grade 8m Nuts | Bahrain, South Africa, Singapore |
ASTM A194 Grade 8M Heavy Hex Nuts | Thailand, France, Europe, Qatar |
ASTM A194 Grade 8M Hex Nuts | Australia, Philippines, Nigeria, UK |
SA 194 8M Class 2 Square Nuts | Hong Kong, Oman, Malaysia, UAE |
Grade 8M Flange Nuts | Malaysia, USA, Finland, Bangladesh |
A194 Gr 8M Split Washers | Chile, Italy, Iran, Singapore |
Metric Sa 194 8m Class 2 Heavy Hex Nuts | Norway, Malaysia, United Arab Emirates (UAE), Turkey |
ASTM A194 Grade 8m Hex Nuts | Indonesia, Belgium, Dammam -KSA, Philippines. |
ANSI A 194 Gr. 8M Dome Nut | Malaysia, Philippines, Canada, Singapore |
SA194 Hex Jam Nuts | UK, Mexico, Egypt, Spain |
ASME A194 Gr 8M Nylock Insert Nut | Poland, Canada, Ellington -United States, UK |
Stainless Steel Gr. 8M Panel Nut | Europe, UAE, United Kingdom -UK, Malaysia |
ASME A194 Gr. 8M Square Nut | Malaysia, Japan, Europe, Romania |
ASME A194 Grade 8M Panel Nut | Czechia, Malaysia, Germany, Thailand |