Machine Bolt - AN4-3
Aeronautical Standard Bolt
Description: Machine Bolt
Part number: AN4-3
Product Dimension:
Length: 15/16"
Grip: 1/16"
Thread: 1/4-28
Cadmium plated steel, drilled shank
AN4-3 Datasheet Features and Specification
| Parameter | Characteristics | ||
| Distance From Head Largest Bearing Surface To Shank Hole Center | : | 0.374 inches first hole | |
| Fastener Length | : | 0.469 inches | |
| Features Provided | : | Finished head | |
| Grip Length | : | 0.062 inches | |
| Hardness Rating | : | 26.0 rockwell c and 32.0 rockwell c | |
| Head Height | : | 0.140 inches minimum and 0.172 inches maximum | |
| Head Style | : | Hexagon | |
| Material | : | Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 | |
| Material Specification | : | Mil-b-6812 military specification all material responses | |
| Min. Tensile Strength (psi) | : | 125000 pounds per square inch | |
| Thread Diameter | : | 0.250 inches | |
| Shank Unthreaded Hole Diameter | : | 0.076 inches first hole | |
| Surface Treatment | : | Cadmium and chromate | |
| Surface Treatment Specification | : | Qq-p-416 type 2 class 3 federal specification all treatment responses | |
| Thread Class | : | 3A | |
| Thread Direction | : | Right-hand | |
| Thread Length | : | 0.407 inches | |
| Thread Qty Per Inch (TPI) | : | 28 | |
| Thread Series Designator | : | UNF (fine thread) | |
| Width Between Flats | : | Between 0.428 inches and 0.440 inches | |
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