Description:

Product Name: Shoulder Bolt; Package Content: 5pcs x Shoulder Bolt. Main Color: Silver Tone, Black; Material: 40Cr Alloy Steel; Finish: Black Oxide; Weight: 77g. Drive Type: Hex Socket; Thread Coverage: Partially Threaded; Hardness: HCR40-44; Strength Grade: 12.9; Head Style: Socket Cap. Shoulder Diameter: 8mm / 0.31"; Shoulder Length: 20mm / 0.79"; Thread Size: M6; Thread Length: 12mm / 0.47". Head Size: 5.5 x 13mm / 0.22" x 0.51" (T*D); Inner Hex Width: 4mm / 0.16".