TRUSCO Flat Head Machine Screw, Unicro, Full Thread, M4 x 20, 20 Pieces, Small Pack, Y825-0420, 1 Bag

Catalog number: Y825-0420 Features: ●The countersunk head is used after countersinking the hole. Since the head is recessed, it is ideal when you do not want the screw to protrude from the surface. ●This is a small pack series that is convenient when you only need a small amount. Specifications: ●Dimensions (mm) d: M4 ●Dimensions (mm) L: 20 ●Thread pitch (mm): 0.7 ●Strength category: 4.8 ●Compatible drivers: 2 ●Head diameter (mm): 8 ●Head thickness (mm): 2.3 ●Package: Bag Material/Finish: ●Steel ●Surface treatment: Nickel plated finish Note: ●The length of the countersunk head screw indicates the total length from the head, not the length of the shaft from the bottom of the neck.