TRUSCO Truss Head Tapping Screw Type 1A Unichrome M4 x 25 10 Pieces Small Pack Y837-0425 1 Bag

Catalog number: Y837-0425 Features: ● Truss head screws have a larger head outer diameter than pan head screws, and have a wider contact area, so they hold down the surface firmly. ● This is a small pack series that is convenient when you only need a small amount. Applications: ● Mainly thin steel plates (generally 1.2 mm or less), hardboard, wood, asbestos, etc. Specifications: ● Dimensions (mm) d: M4 ● Dimensions (mm) L: 25 ● Nominal dimensions (mm) d: 4 ● Head diameter (mm): 9.4 ● Package: Bag ● Tapping type 1 (Type A) Material/Finish: ● Steel ● Surface treatment: Nickel-plated finish