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A grade 5 hex bolt has 3 radial lines formed into the top of the head. Bolt manufacturers can provide listings of bolt markings and their corresponding strength ratings.

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Q: What is the designation for a grade 5 bolt?
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Related questions

Is a grade 5 bolt the same designation as a SAE -sized bolt?

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


Hardness of grade 5 bolts?

A grade 5 hardness bolt is a bolt made of medium carbon steel and depending on the manufacturer can either be or not heat treated.


What does the grade of stainless steel mean?

grade refers to composition and strength. Generally a higher Grade ( number or alphabet) is a stronger material. For example Grade C is stronger than Grade A Grade 8 bolt is stronger than grade 5 bolt.


What is the number on the head of the bolt mean.Please give examples.?

It signifies the grade of a bolt. For a load bearing bolt where it's failure could cause injury or damage, you should use a high grade bolt. 5-9 are higher grades.


What grade is a bolt with hardness Rc 27-34?

A bolt with hardness Rc 27-34 falls under the Grade 5 category. Grade 5 bolts are medium carbon steel that is quenched and tempered for increased strength and hardness. They are commonly used in automotive and general engineering applications.


What is m16 grade 8.8 bolt?

A bolt.


What does the grade 8.8 bolt identification refer to?

he diameter of the bolt.


What is a stronger bolt grade 8 or 18-8 stainless?

a grade 8 bolt is stronger, about twice as strong.


How is the grade strength of a bolt determined?

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.


What does number 8 mean on a bolt head?

It's a measure of the strength of the bolt. The strength is measured using what's called a grade. In this case, you have a grade 8 bolt. The higher the number, the stronger the bolt.


Which bolt is better?

The strength of a bolt is typically specified by its grade, and the strongest commonly used bolt grades are Grade 8.8, Grade 9.8, Grade 10.9, and Grade 12.9. These grades are commonly used in construction, automotive, and engineering applications. Bhansali Fasteners is one of the leading Bolts Manufacturers in India.


What are the different designations offered to HR Managers?

1 I want to now what are the difference between in Designation & Grades ? 2 How to decide what designation we should put on Particular grade ? 3 What are the different designation in HR Department ? 4 What are the roles & responsibility of each designation.