Product Category: Products Fasteners Inch & Metric Self-Clinching Fasteners Captive Screws Panel Screws & Hardware Screws Manufacturer: Penn Engineering Manufacturer Part Number: Penn Engineering PF51-M5-1CN Drive Type: #2 Phillips Animation: View Animation SKU: PEMPF51-M5-1CN Finish Knob: Bright nickel over copper flash per ASTM B689 Finish Retainer: Bright nickel over copper flash per ASTM B689 Finish Screw: Bright nickel over copper flash per ASTM B689 Finish Spring: Natural Finish For Use in Sheet Hardness: HRB 60 or Less (Hardness Rockwell “B” Scale) HB 107 or Less (Hardness Brinell) Material Knob: Carbon Steel Material Retainer: Carbon Steel Material Screw: Carbon Steel Material Spring: 300 Series Stainless Steel Min. Sheet Thickness: 1.00 mm Screw Length Code: 1 Thread Code: M5 Type: Knurled Cap - PF51 A (Shank) Max.: 0.97 mm C Max.: 7.98 mm E ± 0.25: 13.50 mm G ± 0.64: 7.37 mm H ± 0.2: 5.72 mm Hole Size in Sheet + 0.08: 8 mm Min. Dist. Hole C/L to Edge: 8.40 mm P ± 0.64: 1.32 mm T1 Max.: 8.64 mm T2 Nom.: 13.46 mm