4pcs M6x20mm 10.9 Grade Left Hand Thread Bolt Lock Screw for Drill Chuck

About this item

• Hex Socket Width: 4mm / 0.16″; Grade: 10.9; Pitch: 1mm; 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: 19g
• Drive Type: Hex Socket Head; Head Style: Button Head; Thread Size: M6
• Total Length: 23mm / 0.91″; Thread Style: Fully Thread; Head Size: 10mm / 0.39″ (D)

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 for Drill Chuck.