A: Hello, This item is the Star Security Button Stainless Sheet Metal Screw (#10 x 1/2"). You need a T25 security bit. Thank you for your inquiry.
A: Hi, and thank you for your question. This product uses a T-15 torx security bit. For assistance on compatible drill bits, we recommend contacting your local Home Depot.
A: Thank you for your inquiry. This screw uses a T27 bit.
A: Hi and thank you for your inquiry. These are #8 Screws which has a 5/32 (.016 ) diameter.
A: The head diameter is 0.312".