Product Category: Products Self-Clinching Fasteners Panel Screws & Hardware Manufacturer: Penn Engineering Manufacturer Part Number: Penn Engineering PF11M-440-1 Thread Size: 4-40 Drive Type: Slotted/#1 Phillips Animation: View Animation SKU: PEMPF11M-440-1 Finish Knob: Natural Finish Finish Retainer: Bright nickel over copper flash per ASTM B689 Finish Screw: Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless Finish Spring: Natural Finish For Use in Sheet Hardness: HRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 or Less (Hardness Brinell) Material Knob: Aluminum Material Retainer: Heat-Treated Carbon Steel Material Screw: Heat-Treated Carbon Steel Material Spring: 300 Series Stainless Steel Min. Sheet Thickness: .036 in Screw Length Code: 1 Thread Code: 440 Type: Knurled Cap - PF11M A Max.: .036 in C Max.: .218 in E ± .010: .417 in G ± .025: .230 in Hole Size in Sheet + 0.003 - 0.000: .219 in Min. Dist. Hole C/L to Edge: .28 in P ± .025: .060 in T1 Nom.: .310 in T2 Nom.: .450 in 
