This kit includes two separate Tamper Proof mounting applications for your convenience

 First
3 x 141FPA-tp-s302: 14-10 x 1 Tamper Proof Flat Philips Tapping Screw, Stainless Steel

Second
3 x 14C114FPMS-TP-S302: 1/4-20 x 1 1/4 Tamper Proof Flat Philips Machine Screw, Stainless Steel
3 x 14CTN716B4PZ: 1/4-20 T-Nut 7/16 Barrel 4 Prong, Zinc
Whether the job calls for replacing the screws on an old bar lock or installing a brand new one, these mounting fasteners will do the trick

Be sure to check door thickness to make sure screw sizes will work for your application