How is a hypodermic needle manufactured to its exact gauge? I just can't imagine a drill bit that is small enough to drill a hole through that long needle.

ANSWER

supersizeme

ANSWERS: 1

Rauhbank

Needles are not drilled. Sheet metal is wrapped around an arbor in an continues process, then welded, cut and cleanded. Then there are,in chase of insulin needles, placed in an extrusionmachine, scharpended, cleaned and sanitized. They make thousends of the in an hour, everything highly automated.

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