Description:

Drive Type: Hex Socket; Head Style: Button Head; Material: Alloy Steel. Package Content: 50 x Socket Button Head Screws; Product Name: Socket Button Head Screws; Thread Size: M4 x 20mm/ M4 x 0.79"(D*L). Weight: 98g; Main Color: Black. Thread Pitch: 0.7mm; Total Length: 22mm/ 0.9". Head Diameter: 7mm/ 0.28".