Description:

Product Name: Grub Screw; Package Content: 20pcs x Grub Screw. Material: SCM435 Alloy Steel; Finish: Black Oxide; Main Color: Black; Weight: 100g. Thread Dia.: M8; Thread Pitch: 1.25mm; Total Length: 20mm / 0.8". Internal Hex Size: 4 x 3mm / 0.16" x 0.12" (W*Deep); Dog Point Size: 4.2 x 5.4mm / 0.17" x 0.21" (L*D). Thread Type: Metric Coarse Thread; Standard: GB/T 79-2007; Strength Grade: 12.9; Drive Type: Hexagon Socket Drive.