[ PACKAGE INCLUDES ]: Including 12 different length, 220 pcs x M3/M4/M5 carbon steel flat head screws & 220 pcs x M3/M4/M5 carbon steel pan round head screws. Lengths of screws: Flat M5*40mm--20 pcs| Flat M3*12mm--50 pcs|Flat M3*18mm--40 pcs|Flat M4*20mm--50 pcs|Flat M4*25mm--30 pcs|Flat M4*30mm--30 pcs & Round M5*40mm--20 pcs| Round M3*12mm--50 pcs|Round M3*18mm--40 pcs|Round M4*20mm--50 pcs|Round M4*25mm--30 pcs|Round M4*30mm--30 pcs
[ HEAD TYPE ]: Flat countersunk head & Pan round head. Screw Type: Black screws for wood. Drive: Philips.
[ MAIN MATERIAL ]: High-hardness carbon steel, black oxide. Anti rust, corrosion resistant.Hardness upgrade.
[ PRODUCT FEATURES ]: the screw surface is smooth and burr-free; deep thread, even force, not easy to slip; screw's end is sharp, save time and effort; use hardened high-quality carbon steel, wear-resistant and corrosion-resistant, high strength, not easy to deform, not easy to break.
[ WIDE APPLICATION ]: These flat head black wood screws is a popular fastener in daily life, widely used in household, wood works, DIY projects. (All INDPROD black wood screws are organized in a transparent box, small space for every size prevent mixing up, convenient for users to get correct sizes.)
