Product Category: Products Self-Clinching Fasteners Fasteners Inch & Metric Captive Screws Panel Screws & Hardware Screws Manufacturer: Penn Engineering Manufacturer Part Number: Penn Engineering PF51-M4-1CN Thread Size: M4 x 0.7 Drive Type: #2 Phillips Animation: View Animation SKU: PEMPF51-M4-1CN 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: M4 Type: Knurled Cap - PF51 A (Shank) Max.: 0.97 mm C Max.: 6.38 mm E ± 0.25: 11.90 mm G ± 0.64: 7.37 mm H ± 0.2: 5.51 mm Hole Size in Sheet + 0.08: 6.4 mm Min. Dist. Hole C/L to Edge: 7.40 mm P ± 0.64: 1.32 mm T1 Max.: 8.64 mm T2 Nom.: 13.46 mm