If you’re in the market for a reliable and sturdy bolt, the M9.5 bolt is a great option to consider. As a basic fastener, this bolt is widely used across a variety of industries for its durability and strength.
When it comes to M9.5 bolts, it’s important to note that they are part of the ISO 965-1 standard, which specifies the basic profile and dimensions for metric screw threads. This means that you can expect consistent quality and performance across different manufacturers and suppliers. As a specialist in the fastening industry, we carry a wide range of M9.5 bolts in different materials, coatings, and finishes to suit your specific application needs.
Understanding M9.5 Bolt Dimensions
When it comes to bolts, one of the most important factors to consider is the dimensions. The M9.5 bolt is a popular size that is used in various applications. Understanding the dimensions of this bolt is crucial to ensure that it is used correctly.
Major Diameter
The major diameter of an M9.5 bolt is 9.5 millimeters. This is the largest diameter of the bolt and is measured across the outside of the threads. It is important to note that the major diameter is not the same as the thread diameter.
Minor Diameter
The minor diameter of an M9.5 bolt is 8.623 millimeters. This is the smallest diameter of the bolt and is measured across the crests of the threads. It is important to note that the minor diameter is not the same as the root diameter.
Pitch Diameter
The pitch diameter of an M9.5 bolt is 9.061 millimeters. This is the diameter that is halfway between the major and minor diameters. It is the most accurate way to measure the diameter of the bolt, as it takes into account the shape of the threads.
ISO Metric Thread Designation
When it comes to M9.5 bolts, it’s important to understand the ISO metric thread designation. This system is used to specify the size and characteristics of various types of metric threads, including M9.5 bolts.
Pitch and Tolerance Class
The pitch of a bolt refers to the distance between adjacent threads. For M9.5 bolts, the pitch is 1.25 mm. The tolerance class, on the other hand, refers to the allowable deviation from the specified pitch. There are several tolerance classes for M9.5 bolts, including 6g, 6e, and 6f. The 6g tolerance class is the most commonly used and offers a balance between ease of production and precision.
Length of Engagement
The length of engagement is the distance that a bolt thread engages with the internal thread of a nut or a tapped hole. For M9.5 bolts, the length of engagement is typically calculated based on the bolt diameter, pitch, and the material being fastened. It’s important to ensure that the length of engagement is sufficient to avoid thread stripping or failure.
Bolt Material and Strength
Material Classes
Bolts are commonly made of steel and are available in a variety of grades. The most common grades are 2, 5, and 8 for SAE bolts, and 4.6, 4.8, 5.8, 8.8, 9.8, 10.9, and 12.9 for metric bolts. Each grade has specific properties that determine its strength and suitability for different applications.
For example, a grade 2 bolt has a tensile strength of 64,000 psi, while a grade 8 bolt has a tensile strength of 150,000 psi. The higher the grade, the stronger the bolt. Additionally, bolts may be made from materials such as stainless steel, brass, and titanium for specific applications where corrosion resistance or other properties are required.
Strength Calculations
The strength of a bolt is determined by its material properties and its size. The shear strength of a bolt is calculated based on its tensile stress area, which is determined by the bolt’s diameter and thread pitch. The tensile strength of a bolt is calculated based on its yield strength and ultimate tensile strength, which are determined by the bolt’s material properties.
Calculating the strength of a bolt is important to ensure it can withstand the loads it will be subjected to in its application. It is important to consult industry standards and guidelines to ensure the correct bolt grade and size is selected for a specific application.
Technical Specifications and Engineering Data
ISO 68 and ANSI/ASME B1.13M-1995 Standards
When it comes to M9.5 bolts, the ISO 68 and ANSI/ASME B1.13M-1995 standards are the most relevant. These standards define the thread dimensions, tolerances, and allowances for M9.5 bolts. The ISO 68 standard specifies the thread profile, while the ANSI/ASME B1.13M-1995 standard defines the thread series and thread classes.
According to these standards, M9.5 bolts have a major diameter of 9.5 mm and a pitch of 1.25 mm. The thread angle is 60 degrees, and the thread form is a symmetrical V-shape. The thread class for M9.5 bolts is 6g, which means that the tolerance for the major diameter is ±0.13 mm, and the tolerance for the pitch diameter is ±0.07 mm.
Root Radius and Allowance
The root radius and allowance are important parameters that affect the strength and performance of M9.5 bolts. The root radius is the radius of the root of the thread, while the allowance is the difference between the maximum and minimum root radii.
According to ISO hardware engineering data, the root radius for M9.5 bolts should be between 0.108 mm and 0.147 mm, and the allowance should be between 0.030 mm and 0.057 mm. These values ensure that the M9.5 bolts have sufficient strength and fatigue resistance.
Installation Guidelines
When it comes to installing M9.5 bolts, there are a few important considerations to keep in mind. By following these guidelines, you can ensure that your bolts are installed correctly and will perform as intended.
Screw/Bolt Design Considerations
Before installing M9.5 bolts, it’s important to consider the design of the screw or bolt you are using. M9.5 bolts are typically used in applications where a high level of strength is required, so it’s important to choose a screw or bolt that is designed to handle the load you will be placing on it.
Recommended Tap Drill Sizes
When it comes to tapping holes for M9.5 bolts, it’s important to use the correct tap drill size to ensure a proper fit. The recommended tap drill size for M9.5 bolts is 8.5mm.
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Remember, before using any of our products, always check with local building codes and engineers for correct usage instructions. The team at Fastening Specialists provides advice and best use-cases, but it’s important to ensure that you’re using our products in a safe and compliant manner.