An SAE bolt is a type of bolt that adheres to the Society of Automotive Engineers (SAE) standards, which specify dimensions, materials, and mechanical properties for fasteners used in automotive and engineering applications. SAE bolts are typically measured in inches and are commonly used in the United States. They come in various grades, reflecting their strength and suitability for different applications. These bolts often feature a hexagonal head and are designed to be used with standard SAE tools.
The length can vary just as with SAE
If there are lines coming inward from the outside on the head then this is an SAE bolt, not metric. If there are three of these lines than it is a grade five bolt.
An SAE Grade 8 bolt will have 6 radial lines on it as shown below. \ | / / | \
bottom surface of the head to the end of the threads
10.9 on a metric bolt indicates the hardness (or load, tensile strength, and hardness) of the bolt. This is almost as high as they get and is about the equivalent to a grade 8 SAE or USS bolt. 8.8 is also a common metric hardness.
SAE flange fittings are measured by their nominal size, which corresponds to the diameter of the pipe they are designed to fit. Additionally, the flange dimensions, such as the bolt hole diameter, bolt circle diameter, and thickness, are specified according to SAE standards. It's essential to use calipers or a micrometer for precise measurements, particularly for the flange face and the sealing surface to ensure a proper fit. Always refer to the relevant SAE specifications for detailed dimensional requirements.
SAE grade of a bolt refers to the classification system established by the Society of Automotive Engineers (SAE) that indicates the strength and material properties of the bolt. The grades range from 1 to 8, with higher numbers indicating stronger bolts, typically made from alloy steel with specific heat treatment processes. Each grade has a specified minimum tensile strength, which helps in determining the appropriate bolt for various applications. Common grades include Grade 2, Grade 5, and Grade 8, with Grade 8 being the strongest.
They are threaded the same way as SAE bolts; both have applications that have reverse or "left-handed" threads.
I believe the pattern is recognized as 4-114.3 (4-4.5 sae) with a 4-bolt pattern.
Sae Sae Norris is 5' 5".
SAE sets standard sizes and grades for bolts.Size and Grade are different:Size is set By the SAE (society of Automotive engineer's) and is stated as thickness followed by thread pitch followed by length 1/4 x 24 (threads per inch) x 1 1/14 (inches long) Grade Is a statement of strength and hardness. Most auto hardware tends to be grade 5 and some high strength stuff is grade 8 or grade 12
If it is a 5-lug, it is 5 x 114.3 metric sizing, which is 5 x 4.5 in. SAE