Personlized Products ASTM A193 B7 Combination Studs Step Down Studs Wholesale to Kenya
Personlized Products ASTM A193 B7 Combination Studs Step Down Studs Wholesale to Kenya Related Video:
Here I shows maximum of thread clearance given on threaded hole so eye bolt is not in safety condition.
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If you have to turn slender parts, the problem is that multi-path turning will weaken the part and it will bend under the cutting forces.
The trick (certainly NOT my invention), ist to cut the shape in a single pass from stock that is rigid enough not to bend.
Turned on a Haas TL-2. Works on a manual lathe too. 
Out of curiosity, I turned a rod ø0.3 mm, 5 mm long (not shown here).
This part is the handle of a hand-wheel for a scale Deckel FP1