Head Style: Flat HeadProduct Name: Phillips Machine Screw.Thread Size: M3 x 28mm / 0.12 x 1.1inch (D*L)Weight: 42gHead Size: 5, 4 x 2 mm / 0.2 x 0.08 inch (D*T) Phillips drive has an X-shaped slot that accepts a Phillips driver. The flat head is cone-shaped for use in countersunk holes and has a flat top that conforms to the mating surface. Machine screws are used with nuts or screwed directly into a threaded receptacle to fasten metal parts together. Measured from underside of head to tip of screw to obtain the length of the fastener. If nuts are required, use them with nuts of the same finish and thread for proper fit. Bit Driver Size: 3 mm / 0.12 inch Type Drive Size: PhillipsFixing Type: Machine ScrewThread Pitch: 0.5mmOverall Length: 30mm / 1.2inchSize: M3x30mmThread Styletag e: Fully threadedColor: SilverMaterial: 316 stainless steelPackage includes: 30 pcs * stainless steel countersunk screwsOnly the above package contents, other products are not included.Note: Light weight shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.