Package of 100

4-40 x 5/16" Thread Forming, Trilobe (Taptite Style), Phillips Pan Head, Zinc-Plated Steel

Has a blunt tapered point.
Requires a pre-drilled or punched hole

Category: Thread Forming Screws
Thread Size: 4-40
Body Diameter: #4
Length: 5/16" (0.3125")
Length From: Under Head
Head Type: Pan
Drive: Phillips
Material: Steel
Finish: Zinc
Thread Diameter: 0.112"
Thread Count per Inch (TPI): 40
Threading: Fully Threaded
Thread Type: UNC
Thread Spacing: Coarse
Thread Direction: Right Hand
Head Diameter: 0.219"
Head Height: 0.080"
Bit Driver Size: #1 Phillips
Drill Bit Size (for pilot hole): #44 (0.086")
Packaging: Bulk