Been at my job 6 years and never got a raise. My friends been working there 1 year and he got a raise

I'm a Phlebotomist and I've been at the same hospital 6 years and never got a raise. My friend has been there 1 year and just got a 3 DOLLAR RAISE! When he was talking about it to me he said he basically bullied them into giving him a raise. I've asked before but they just said maybe and then never said anything else about it. He said he told them "I can't pay my bills on 11 an hour. I love working here but I'm sorry. I have two other job offers and I'll do what I need to to pay my bills". He said he lied about the 2 job offers but knew they needed him. If he quits that means there would only be 2 Phlebotomist on night shift and they would have to convince morning to come in earlier or day to stay later.... I really want a raise but not sure how to get it.