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Heavy Duty Hex Nut ASTM A194 Grade 2H
Heavy Duty Hex Nut ASTM A194 Grade 2H
Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut 18-8 stainless steel provides good corrosion resistance and strength Black oxide finish offers mild corrosion resistance and lubricity Meets DIN 934 specifications The 18-8 stainless steel hex nut has a black oxide finish and meets Deutsches Institut für Normung DIN 934 specifications.
Description
Product Information
If you’re working with heavy machinery or equipment, then you know that the hardware you use must be of the highest quality and strength possible. Heavy Duty Hex Nut A194 is one of the best options available for those in need of durable and reliable nuts for their applications.
So, what exactly is Heavy Duty Hex Nut A194?
This type of nut, also known as ASTM A194, is designed to be used in conjunction with high-pressure piping, boilers, and pressure vessels. The A194 standard covers a variety of carbon, alloy and stainless steel nuts, as well as other materials for high-temperature or high-pressure service.
So, why choose Heavy Duty Hex Nut A194? Here are a few reasons:
1. Durability: Heavy Duty Hex Nut A194 is made with high-quality materials and is designed to withstand the toughest conditions, making it a reliable option for your application.
2. Strength: These nuts have a high tensile strength and are able to withstand high-pressure environments.
3. Corrosion Resistance: Heavy Duty Hex Nut A194 is designed to resist corrosion, which is important when working with machinery that is exposed to harsh environments.
4. Precision: These nuts are precisely engineered to ensure a proper fit and secure hold, which means you can trust them to work as intended.
When it comes to selecting Heavy Duty Hex Nut A194, there are a few things to keep in mind. First, make sure you choose the right size for your application. Second, be sure to check the material specifications to ensure it is the right one for your needs. Finally, be sure to follow all installation instructions carefully to ensure proper use and performance.
Overall, if you are looking for a heavy-duty nut that is designed to withstand tough environments and provide secure and reliable hold, Heavy Duty Hex Nut A194 is definitely worth considering.
Heavy Duty Hex Nut ASTM A194 Dimensions
A194 covers a variety of carbon, alloy and stainless steel nuts in sizes 1/4″ through 4″, M6 through M100 nominal in metric. Nuts of this specification are intended for high-pressure or high-temperature use, or both.
A194 Grade 2:
Carbon steel heavy hex nuts.
A194 Grade 2H:
Quenched and tempered carbon steel heavy hex nuts.
A194 Grade 7:
Quenched and tempered alloy steel heavy hex nuts.
A194 Grade 7L:
Quenched and tempered alloy steel heavy hex nuts, Charpy impact tested.
A194 Grade 8:
Stainless AISI 304 heavy hex nuts.
A194 Grade 8M:
Stainless AISI 316 heavy hex nuts.
NOTE: There are other grades of A194. Those listed here are the ones we receive the most requests for. For information on other types, please contact one of our salesmen.
| A194 MECHANICAL PROPERTIES | |||||||
|---|---|---|---|---|---|---|---|
| Grade | Marking | Size | Tempering Temp. Fahrenheit | Proof Load Stress, ksi | Hardness Brinell | ||
| Min | Max | ||||||
| 2 | 2 | 1/4″ – 4″ | 0 | 150 | 159 | 352 | |
| 2H | 2H | 1/4″ – 1-1/2″ | 850 | 175 | 248 | 327 | |
| 2H | 2H | 1-1/2″ – 4″ | 850 | 175 | 212 | 327 | |
| 7 | 7 | 1/4″ – 4″ | 1100 | 175 | 248 | 327 | |
| 8 | 8 | 1/4″ – 4″ | – | 80 | 126 | 300 | |
| 8M | 8M | 1/4″ – 4″ | – | 80 | 126 | 300 | |
Notes:
The markings shown for all grades of A194 nuts are for cold-formed and hot-forged nuts. When nuts are machined from bar stock, the nut must additionally be marked with the letter B. The letters H & M indicate heat-treated nuts.
Properties shown are those of coarse and 8-pitch thread heavy hex nuts.
A194 CHEMICAL PROPERTIES | ||||
|---|---|---|---|---|
| Element | 2, 2H | 7 | 8 (AISI 304) | 8M (AISI 316) |
| Carbon | 0.4% min | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 1.0% max | 0.65 – 1.1% | 2.0% max | 2.0% max |
| Phosphorus, max | 0.04% | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.05% | 0.04% | 0.03% | 0.03% |
| Silicon | 0.40% max | 0.15 – 035% | 1.0% max | 1.0% max |
| Chromium | 0.75 – 1.2% | 18.0 – 20.0% | 16.0 – 18.0% | |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | ||
| Molybdenum | 0.15 – 0.25% | 2.0 – 3.0% | ||
| HEX NUT DIMENSIONS | ||||
|---|---|---|---|---|
| Nut Size | Heavy Hex Nut | Heavy Hex Jam Nut | ||
| A | B | A | C | |
| 1/4″ | 1/2 | 15/64 | 1/2 | 11/64 |
| 5/16″ | 9/16 | 19/64 | 9/16 | 13/64 |
| 3/8″ | 11/16 | 23/64 | 11/16 | 15/64 |
| 7/16″ | 3/4 | 27/64 | 3/4 | 17/64 |
| 1/2″ | 7/8 | 31/64 | 7/8 | 19/64 |
| 9/16″ | 15/16 | 35/64 | 15/16 | 21/64 |
| 5/8″ | 1-1/6 | 39/64 | 1-1/16 | 23/64 |
| 3/4″ | 1-1/4 | 47/64 | 1-1/4 | 27/64 |
| 7/8″ | 1-7/16 | 55/64 | 1-7/16 | 31/64 |
| 1″ | 1-5/8 | 63/64 | 1-5/8 | 35/64 |
| 1-1/8″ | 1-13/16 | 1-7/64 | 1-13/16 | 39/64 |
| 1-1/4″ | 2 | 1-7/32 | 2 | 23/32 |
| 1-3/8″ | 2-3/16 | 1-11/32 | 2-3/16 | 25/32 |
| 1-1/2″ | 2-3/8 | 1-15/32 | 2-3/8 | 27/32 |
| 1-5/8″ | 2-9/16 | 1-19/32 | 2-9/16 | 29/32 |
| 1-3/4″ | 2-3/4 | 1-23/32 | 2-3/4 | 31/32 |
| 1-7/8″ | 2-15/16 | 1-27/32 | 2-15/16 | 1-1/32 |
| 2″ | 3-1/8 | 1-31/32 | 3-1/8 | 1-3/32 |
| 2-1/4″ | 3-1/2 | 2-13/64 | 3-1/2 | 1-13/64 |
| 2-1/2″ | 3-7/8 | 2-29/64 | 3-7/8 | 1-29/64 |
| 2-3/4″ | 4-1/4 | 2-45/64 | 4-1/4 | 1-37/64 |
| 3″ | 4-5/8 | 2-61/64 | 4-5/8 | 1-45/64 |
| 3-1/4″ | 5 | 3-3/16 | 5 | 1-13/16 |
| 3-1/2″ | 5-3/8 | 3-7/16 | 5-3/8 | 1-15/16 |
| 3-3/4″ | 5-3/4 | 3-11/16 | 5-3/4 | 2-1/16 |
| 4″ | 6-1/8 | 3-15/16 | 6-1/8 | 2-3/16 |
| THREAD DIMENSIONS & OVERSIZING ALLOWANCESFOR HOT-DIPPED GALVANIZED NUTS | |||
|---|---|---|---|
| Size & Thread Pitch | Diametral Allowance | Pitch Diameter | |
| min | max | ||
| 1/4″-20 | 0.016 | 0.2335 | 0.2384 |
| 5/16″-18 | 0.017 | 0.2934 | 0.2987 |
| 3/8″-16 | 0.017 | 0.3514 | 0.3571 |
| 7/16″-14 | 0.018 | 0.4091 | 0.4152 |
| 1/2″-13 | 0.018 | 0.4680 | 0.4745 |
| 9/16″-12 | 0.020 | 0.5284 | 0.5352 |
| 5/8″-11 | 0.020 | 0.5860 | 0.5932 |
| 3/4″-10 | 0.020 | 0.7050 | 0.7127 |
| 7/8″-9 | 0.022 | 0.8248 | 0.8330 |
| 1″-8 | 0.024 | 0.9428 | 0.9516 |
| 1-1/8″-8 | 0.024 | 1.0678 | 1.0768 |
| 1-1/8″-7 | 0.024 | 1.0562 | 1.0656 |
| 1-1/4″-8 | 0.024 | 1.1928 | 1.2020 |
| 1-1/4″-7 | 0.024 | 1.1812 | 1.1908 |
| 1-3/8″-8 | 0.027 | 1.3208 | 1.3301 |
| 1-3/8″-6 | 0.027 | 1.2937 | 1.3041 |
| 1-1/2″-8 | 0.027 | 1.4458 | 1.4553 |
| 1-1/2″-6 | 0.027 | 1.4187 | 1.4292 |
| 1-3/4″-5 | 0.050 | 1.6701 | 1.6817 |
| 2″-4.5 | 0.050 | 1.9057 | 1.9181 |
| 2-1/4″-4.5 | 0.050 | 2.1557 | 2.1683 |
| 2-1/2″-4 | 0.050 | 2.3876 | 2.4011 |
| 2-3/4″-4 | 0.050 | 2.6376 | 2.6513 |
| 3″-4 | 0.050 | 2.8876 | 2.9015 |
| 3-1/4″-4 | 0.050 | 3.1376 | 3.1517 |
| 3-1/2″-4 | 0.050 | 3.3876 | 3.4019 |
| 3-3/4″-4 | 0.050 | 3.6376 | 3.6521 |
| 4″-4 | 0.050 | 3.8876 | 3.9023 |
Common Square Nut DIN562 Materials
Bolts and nuts are fabricated from a variety of materials. These options include metals and polymers. Stainless steel offers strength and corrosion resistance. While polymer options have less strength than stainless, they are a good choice for resisting chemicals. The most common materials are:
- Stainless steel
- Alloy steel
- Low carbon steel
- Medium carbon steel
- Titanium
- Polymers, such as nylon
Finish Options
The use of heat treatments and application of various finishes, also known as “plating,” affects the look and performance of nuts and bolts. Finishes provide material stability and protect the fasteners from corrosion and rust. Below are some common heat treatment and finish benefits:
- Zinc coating – Most common, low cost, resists corrosion and rust
- Galvanized – Superior corrosion protection, anti-seize, higher upfront investment
- Stainless – Great for humid environments, strong, ideal for electrical or mechanical uses
- Black – Adds color, provides better grip, deflects light
Our Nut Factory
MYWAY Services
MYWAY strictly complies with the requirements of the ISO9001 quality certification system, strictly controls quality, implements it at every level, and assigns responsibilities to everyone to ensure the healthy operation of the comprehensive system of design, production, sales, and after-sales service. In order to strengthen communication with users, better provide users with high-quality products, and better serve users with the brand, we have made the following commitments:
1. Products are designed and manufactured in strict accordance with standards. We produce non-standard products according to the drawings provided by customers.
2. Pre-sales service
Serving customers: product introduction, answers to technical questions, and engineering-assisted design.
3. Sales service
1). The products are based on the needs of user orders, with quality and delivery time as the premise.
2). During the use of the product, our company regularly organizes technical and quality inspection service personnel to visit and solicit feedback from users on the quality, usage status, improvement opinions and other aspects of the product, so as to further improve product quality.
4. After-sales service
1). If users have any problems or information when using our products, please report them back to the company in a timely manner so that the company can properly handle and improve them so that our products can better meet your requirements.
2). If the product does not work properly or is damaged due to quality problems during the warranty period, our company will be responsible for free repair or replacement. If the product is damaged or does not work properly due to improper use by the user, our company can provide repair services. If users need it, our company can provide users with free pre-sales and after-sales technical consultation.
.After-sales service. Users are required to fill in the product service and quality feedback information form and make appraisal opinions in order to improve the quality of MYWAY products and services.
FAQ
Q: What is the function of a nut?
A: A nut is a mechanical fastener with a threaded hole. It is attached to a bolt, screw or stud to provide a clamping force and prevent axial movement.
Q: Do screws have nuts?
A: Screws don’t need nuts, as they become secure by being tightened into the hole with a screwdriver or driver bit which fits into the drive recess. Generally speaking, screws are shorter than the width of the material they are being screwed into, so that they don’t protrude on to the other side.
Q: What is the difference between a lock nut and a hex nut?
A: The term “Lock Nut” is used to describe a nut that is designed to provide higher resistance to loosening as compared to a standard hex nut. Lock Nuts are commonly used in applications that encounter vibration or impact forces that can cause a standard nut to loosen over time.
Q: What is the difference between a square nut and a hex nut?
A: Hex nuts are easier to install and tighten than square nuts. They have six sides, whereas square nuts only have four sides. Because they have more sides, hex nuts offer more torque, which makes them easier to install and tighten. You can install hex nuts in smaller spaces.
Q: What is a DIN 934 nut?
A: Din 934 is the standard for Hexagon nuts with metric coarse and fine pitch thread – There are two product classes A (up to M16) and B (> M16) DIN stands for “Deutsches Institut für Normung”, meaning “German institute for standardisation” and is widely accepted globally, though many are not superseded by ISO standards.
Q: What is the ASTM standard for hex nuts?
A: Hex nuts (also referred to as finished hex nuts) are available in ASTM A563-A and compatible with low carbon steel bolts such as ASTM A307, ASTM F1554 grade 36, SAE grade 2, and AASHTO M183.
Q: What is DIN 936?
A: DIN 936 hex nuts are jam nuts, it has a fine thread.
Q: What is flange nut as per DIN 6923?
A: DIN 6923 ISO 4161 Serrated Flange Nut are hex nuts with non-spinning washers attached at the bottom. Below the washers are serrations which prevent them from being used with washers or on surfaces that can be scratched and help the nuts to securely fasten when vibrations are present.
Q: What is DIN 985?
A: DIN 985 Nylon Insert Hex Lock Nuts are internally machine screw threaded hex nuts that rely upon an undersized captive nylon (polyamide) washer to create the prevailing torque feature that resists rotation and, hence, loosening.
Q: What is DIN 6926?
A: Metric DIN 6926 Nylon Insert Hexagon Flange Lock Nuts have a circular washer like flange shaped base that increases the. weight bearing surface to distribute the load over a greater area when tightened The flange eliminates the need to use a washer. with the nut.
Q: What is DIN 980?
A: DIN 980 lock nuts, all metal lock nut is also known as all metal self-locking nut. There are two main locking forms:
a. This kind of nut is called 980-v type, and the common forms are as follows: end face three-point type, elliptical type, side extrusion type.
b. The nut is embedded with a metal locking plate, which can prevent loosing by the locking ring. This kind of nut is called 980-m
Material: Carbon Steel
Type: All metal prevailing Torque, Hex Nuts
Thread Size: M3 ~ M39
Surface Finish: Plain, Black, Zinc Plated, Yellow Plated, H.D.G, Chrome Plated
Class: 4, 6, 8, 10
Q: What is the din standard for square nuts?
A: Square nuts, DIN 557.
Q: What is DIN 562?
A: DIN 562 – Square thin nuts.
Q: What is DIN 929?
A: Hexagon weld nuts.Three uniform projections ensure reliable contact with the weld surface, even if it is not perfectly flat. The precision pilot accurately locates the threads in the pilot hole and prevents the nut from slipping off center during welding.
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