menu
bartleby
search
close search
Hit Return to see all results

What is the tap drill for a ½-20 UNF-2B thread?

Question
  1. What is the tap drill for a ½-20 UNF-2B thread?
check_circleAnswer
Step 1

The united thread series is classified into coarse threads, fine threads and extra fine threads. The symbol UNF denotes unified fine pitch threads. The threads are further divided into two categories with three classes of fit.

  • External threads – Class 1A, 2A and 3A.
  • Internal threads – Class 1B, 2B and 3B.
Step 2

The tap drill size can be obtained for the given thread using a tap drill chart if ...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in

Engineering

Mechanical Engineering

Manufacturing Engineering

Related Mechanical Engineering Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: A truck carries a crate which can slide. Suppose that the truck and the crate are initially travelin...

A: Given information:Intial velocity of truck is

question_answer

Q: A partition divides an insulated tank into two parts which are not equal. One part of the tank conta...

A: Given, m= 5kgTemperature, T1= 65° CPressure, P1=600 KPaPressure, P2=20 KPaT2=?V2=? 

question_answer

Q: QUESTION 7 multi-stage axial flow turbine, and the pressure drop Air is expanded in a very small. As...

A: Write the basic equation of thermodynamics with ds = 0. 

question_answer

Q: Technician A says that suction lines become very warm during A/C operation. Technician B says that d...

A: Suction line:The piping line which connects the outlet of the evaporator(refrigerated space)  to inl...

question_answer

Q: What is thermodynamics?

A: Thermodynamics is the branch of science which deals with the relation between the heat and other for...

question_answer

Q: An open aquarium containing water and supported by wheels is allowed to accelerate without friction ...

A: Draw the schematic as shown.

question_answer

Q: Please refer to the attached picturs of the problem statement. I have solved a, b, c, and g using ki...

A: Given:  For part d.Vinitial=V0distance between front of the crate and front of the trailer=d0stoppin...

question_answer

Q: 2.56 In Fig. P2.56 pipe A contains gasoline (SG = 0.7), pipe B contains oil (SG = 0.9), and the mano...

A: Write the expression of pressure at the interface between gasoline and mercury on the left column. 

question_answer

Q: AS& Heat Transfer in Steam Heater Water at an average of 70°F is fiowing in a 2-in. steel pipe, sche...

A: Click to see the answer

Sorry about that. What wasn’t helpful?