Feature

●? Includes 500 Pcs, 13 Sizes, M3 Hex Socket Button Head Cap Screws, Thread Pitch 0.5 mm, Thread Size ( Diameter) 3 mm, Head Diameter 5.5 mm, Head Height 1.6 mm, Thread Length From 6 mm to 50 mm; Material of Screws: Alloy Steel 10B21, Black Oxide Finish; Strength Grade of Screws : 10.9 Grade, Hardness: HRC 32-39, Tensile Strength: 1040 N/mm²
●? Includes 500 Pcs M3 Hex Nuts to Meet Different Applications, Material of Nuts: Alloy Steel 10B21, Black Oxide Finish
●? Includes 500 Pcs Φ3 Washers: Add More Touch Area to Meet Special Condition In Some Cases and Protect Parts from Being Damaged, Material of Washers: Alloy Steel 10B21, Black Oxide Finish
●? Includes 1 Pcs Hex Key, Hex Size: 2.0 mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
●? Package: All These Screws, Nuts, Washer and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily


Description

? Meets/exceeds: ISO7380,DIN125,DIN934
? Screw head style: Button; Screw drive style : internal hex drives, also known as hex socket drives
? Head diameter: 5.5 mm; head height: 1.6 mm; thread pitch: 0.5 mm; thread diameter: 3 mm
? Rust proof of screws, nuts and washers: black oxide finish with anti-rust oil
? Easy to store: these screws,nuts, washers and a hex key wrench come in a sturdy easy-use case

[ Sizes ]---[ Thread Length] ---[ Total Length ]
M3 x 6-------6mm------7.6mm
M3 x 8-------8mm------9.6mm
M3 x 10-----10mm-----11.6mm
M3 x 12-----12mm-----13.6mm
M3 x 14-----14mm-----15.6mm
M3 x 16-----16mm-----17.6mm
M3 x 20-----20mm-----21.6mm
M3 x 25-----25mm-----26.6mm
M3 x 30-----30mm-----31.6mm
M3 x 35-----35mm-----36.6mm
M3 x 40-----40mm-----41.6mm
M3 x 45-----45mm-----46.6mm
M3 x 50-----50mm-----51.6mm

[ Package Contains ]
M3 x 6-------50 Pcs
M3 x 8-------50 Pcs
M3 x 10------50 Pcs
M3 x 12------50 Pcs
M3 x 14------50 Pcs
M3 x 16------50 Pcs
M3 x 20------50 Pcs
M3 x 25------25 Pcs
M3 x 30------25 Pcs
M3 x 35------25 Pcs
M3 x 40------25 Pcs
M3 x 45------25 Pcs
M3 x 50------25 Pcs
M3 Nuts-----500 Pcs
Φ3 Washers--500 Pcs
Hex Key------1 Pcs
Total: 1501 Pcs

[ About Internal Hex drives ]
Internal Hex drives, also known as Hex Socket Drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen Wrench
[ About Button Head ]
Button head is similar to standard pan head screws but have a curved top