Allen key trick Iss video m explain kiya gya h ki kisi allen bolt k liye kis allen key ko lgaate hain.... .do watch full video and do not forget to like share and subscribe if you are new...
Single start means only one line thread having specific pitch equal to lead. In case of multistart the face of threadshaft is equally divided depending on the number of line thread starting.And the lead= pitch*no of start. The nut advances two or three times more…as per the number of start.
