What size is a 10.9 metric bolt?

Metric hex bolts, Zinc plated class 10.9 steel, 10mm x 1.5mm x 70mm.

What does 10.9 mean on a metric bolt?

For the 10.9 bolt, the 9 tells the user that the yield strength of the bolt is approximately 90% of the first number: 1,000 MPa. Thus, the 10.9 bolt has an approximate yield strength of 900 MPa (940 MPa by specification). Two other common symbols that are included on metric parts are the “S” and the 3 designations.

Is a 10.9 bolt metric or standard?

The common class (grades) for metric are 5.8, 8.8, 10.9 and 12.9.

Class 10.9 is similar to grade 8. A low carbon steel for general use.

What does 9.8 on a bolt mean?

A metric bolt designated as ISO class 6.8 roughly corresponds in strength to an SAE Grade 2 bolt. Bolts of ISO class 8.8 and the slightly stronger class 9.8 roughly correspond to an SAE Grade 5 bolt. An ISO Class 10.9 bolt roughly corresponds to an SAE Grade 8 bolt.

Used in automotive applications and for bolting large and forged parts, metric 10.9 bolts exhibit high tensile strength and good wear resistance. Our metric grade 10.9 bolts meet ASTM A324 grade BD and SAE J429, grade 8 standards. The yield strength of the bolts is 940 and the tensile strength is 1040 MPa.

How do you read metric bolt sizes?

Metric Bolt Sizes
The letter ‘M’ indicates that this bolt uses a metric thread.The number ‘8’ refers to the nominal diameter of the bolt shaft in millimeters.The number 1.0 is the thread pitch of the bolt, which is the distance between threads, in millimeters.And the final figure, 20, is the length in millimeters.

What does JDF mean on a bolt?

This is a great 8 bolt. Again you see JDF on that bolt on the top. Those initials again are manufacturers marking to indicate that this is their bolt and then you see 1, 2, 3, 4, 5, 6 slashes indicating it’s a grade 8.

Class 10. This is a metric nut grading similar to the SAE grade 8 classification, which is used in conjunction with Class 10.9 bolts. This strength of nut is used in automotive, and structural industries, as well as in high temp applications.

What does the 8.8 on a bolt mean?

A property class (PC) is the metric equivalent of a grade in inch series terminology. So, in English, a PC 8.8 bolt is a bolt with a nominal tensile strength of 800 MPa and a nominal yield strength that is 80% of the bolt’s nominal tensile strength, or 640 MPa.

How much weight can a 10.9 bolt hold?

From the table at right, for a strength class of 10.9 and a maximum allowable load of 200 kgf, the suitable bolt is a 318［kgf］M8.

How can you tell if a bolt is metric or standard?

Telling the difference between a metric and imperial bolt is easy. If the bolt has lines on the head its standard or imperial. If the bolt has numbers on the head then its metric.

Metric and SAE fasteners are measured differently and with different vocabulary. SAE nuts, bolts and screws are measured by their thread count, or TPI (threads per inch) and their length. Metric fasteners are measured by length and pitch, or the distance between threads.

What is the tensile strength of a 10.9 bolt?

The yield strength of the Class 10.9 Bolt is 940 Mpa and the tensile strength of the Grade 10.9 Nuts is 1040 MPa.

What grade is the strongest bolt?

Grade 9 structural bolts, also known as grade 9 hex cap screws, are one the strongest structural bolts that can be used today. While the typical grade 8 bolt has a tensile strength of 150,000 PSI, a grade 9 bolt has a tensile strength of 180,000PSI.

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