4pcs M8x20mm 10.9 Grade Button Head Hex Socket Left Hand Thread Screw Bolt

About this item

• Pitch: 1.25mm; Coating: Black Oxide Plated; Thread Length: 20mm / 0.79″; Product Name: Left Hand Thread Bolt
• Package Content: 4pcs x Left Hand Thread Bolt; Main Color: Black; Material: 40Cr Steel
• Weight: 38g; Drive Type: Hex Socket Head; Head Style: Button Head
• Thread Size: M8; Total Length: 24mm / 0.94″; Thread Style: Fully Thread
• Head Size: 13.8mm / 0.54″(D); Hex Socket Width: 5mm/0.2″; Grade: 10.9

Made of 40Cr Steel material,black oxide finish,hex socket head,left hand reverse thread design.
Fixing component, industrial and construction fasteners.
To tighten a reverse threaded screw, you turn it counter clockwise.To loosen a reverse threaded screw, you turn it clockwise.
Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.