What class of screw thread is indicated with...

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Question 1 of 205eccef9bbacbc34ba4d451d0

What class of screw thread is indicated with a machine screw described as 1/2-13 NC-2?

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What class of screw thread is indicated with a machine screw described as 1/2-13 NC-2?

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🔍 Key Concepts

• How machine screw sizes are written (diameter – threads per inch – series – class) • Difference between diameter, threads per inch (TPI), thread series (NC/UNF), and thread class (fit) • Location of the thread class number in a standard screw designation

💭 Think About

• Break down what each part of 1/2-13 NC-2 represents. Which part shows the size? Which shows how tight/loose the fit is? • Ask yourself: which part (number or letters) usually tells you the fit or tolerance of the threads rather than the size or pitch? • Compare with other common notations you’ve seen (like 1/4-20 NC-3 or 3/8-16 NF-1). Where does the class usually appear?

✅ Before You Answer

• Identify which part of 1/2-13 NC-2 is the major diameter (screw size) • Identify which part is the threads per inch (TPI) • Identify which part is the thread series (coarse vs fine) and which remaining part is the thread class (fit)

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Question 1 of 205eccef9bbacbc34ba4d451d0

What class of screw thread is indicated with a machine screw described as 1/2-13 NC-2?

Back

Question 1 of 20

5eccef9bbacbc34ba4d451d0

Q

What class of screw thread is indicated with a machine screw described as 1/2-13 NC-2?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• How machine screw sizes are written (diameter – threads per inch – series – class) • Difference between diameter, threads per inch (TPI), thread series (NC/UNF), and thread class (fit) • Location of the thread class number in a standard screw designation

💭 Think About

• Break down what each part of 1/2-13 NC-2 represents. Which part shows the size? Which shows how tight/loose the fit is? • Ask yourself: which part (number or letters) usually tells you the fit or tolerance of the threads rather than the size or pitch? • Compare with other common notations you’ve seen (like 1/4-20 NC-3 or 3/8-16 NF-1). Where does the class usually appear?

✅ Before You Answer

• Identify which part of 1/2-13 NC-2 is the major diameter (screw size) • Identify which part is the threads per inch (TPI) • Identify which part is the thread series (coarse vs fine) and which remaining part is the thread class (fit)

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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— No credit card needed