Screws for Sheet Metal and Wood A2 & A4 Our ProductsTrust the Experience Parker screws TC (cross recess) (Stainless steel A2, A4) Parker screws TF (cross recess) (Stainless steel A2, A4) Self-drilling screws TC (cross recess) (Stainless steel A2) Self-drilling screws TF (Stainless steel A2) Self-drilling screws TH (Stainless steel A2) Lag screws (Stainless steel A2) Spax screws (Stainless steel A2) Don’t Know What To Start With? Call 24Hr ServiceContact Us