Description:

Product - Countersunk Bolt; Drive Type: Hex Socket; Head Style: Countersunk Head; Material: 10.9 Alloy Steel. 20pcs M4x30mm - Thread Size: M4 x 27mm/0.16" x 1"(D*L); Thread Pitch: 0.7mm; Total Length: 30mm/ 1.2"; Head Size: 8 x 3mm/0.3" x 0.12"(D*T); Width Across Flat: 2.5mm/ 0.1". 20pcs M5x30mm - Thread Size: M5 x 27mm/ 0.2" x 1"; Thread Pitch: 0.8mm; Total Length: 30mm/ 1.2"; Head Size: 10 x 3mm/0.4" x 0.12"(D*T); Width Across Flat: 3mm/ 0.12". Advantage - Countersunk bolts are anti-corrosion, rustless, and high-hardness.. Application - Used widely in the home and office appliance, communication equipment, ship assembly, and other machinery industry..