x100 Aeronautical Standard 9/16" MACHINE SCREW Aircraft/Aviation AN525-832R9 NEW Pickup is always free in Bellingham, WA Screw Surface Treatment Specification: Type 2 class 3 federal specification 1st treatment response or astm b633 type 2 assn standard 2nd treatment response qq-p-416 Screw Surface Treatment: Cadmium and chromate or zinc Screw Material Specification: Ams6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response Screw Material: Steel comp 4037 or steel comp 8630 Min. Tensile Strength (psi): 125000 pounds per square inch Internal Drive Style: Cross recess type 1 Head Height: Between 0.082 inches and 0.092 inches Head Style: Round extended washer Head Diameter: Between 0.302 inches and 0.322 inches Hardness Rating: Between 26.0 rockwell c and 32.0 rockwell c Fastener Length: Between 0.531 inches and 0.593 inches Extended Washer Thickness: Between 0.023 inches and 0.028 inches Extended Washer Diameter: Between 0.365 inches and 0.385 inches Thread Class: 3a Thread Diameter: 0.164 inches Thread Direction: Right-hand Thread Length: Between 0.365 inches and 0.447 inches Thread Qty Per Inch (tpi): 32 Thread Series Designator: Unc (coarse thread) |