The phrase "a bit of precision" is correct and usable in written English.
It can be used when you want to indicate a small amount of accuracy or exactness in a statement or action.
Example: "In scientific research, a bit of precision is essential to ensure the validity of the results."
Alternatives: "a touch of accuracy" or "a little bit of exactness."
He brings a bit of the precision of his past construction life to adventure sports.
We think the steering is a bit odd lots of precision but less feel than you'd expect from a country obsessed with good steering (read any British auto publication if you want proof).
Since the significand lies in the interval,G.6its most significant bit is always a 1, so it is not actually stored in the computer word, giving one more significant bit of precision.
I'm sorry, but I still haven't gotten around on the concept of robot war or the insanity of stalking enemy prey with missiles, even if there was the least bit of precision in the process.
At Slate, Laura Bennett almost apologized as she reluctantly pointed out that the Vimeo episodes "had lost a bit of the bottled intensity and laser precision of the first batch".
Posin, a student of Louis Horst and Anna Sokolow, is a bit of a maverick, whose works combine the precision and rigorous structure of ballet with the freedom of modern dance.
Otherwise, this kind of absolute precision seems like a bit of office overkill.
McMaster, who describes himself as "a bit of a Luddite," argued against the notion that new weapons technology offered the promise of certainty and precision in warfare.
She argues that curious, big-brained mammals, dolphins might explore puffer fish, and may accidentally expose themselves to a bit of the toxin, but is extremely sceptical of the notion that dolphins are dosing themselves intentionally, with such precision to achieve a bit of numbness without accidentally overdosing.
