Q. Considering included angle θ of the thread to be 60˚ using the Best-Wire method, the difference between the effective diameter (E ) and the dimension under the wire (T ) for M10 × 1.0 mm is closest to
(A) 0.289 | (B) 0.578 | (C) 0.867 | (D) 0.982 |
Ans: 0.289
Sol: