2pcs M5x20mm Flat Countersunk Head Hex Socket Thread Bolt DIN7991

Key Features

• Product Name Thread Bolt; Package Content 2pcs x Thread Bolt; Main Color Black; Material 40Cr Steel
• Weight 7g; Drive Type Hex Socket Head; Head Style Countersunk/Flat Head
• Thread Size M5; Total Length 20mm/0.8''; Thread Style Fully Thread
• Head Size 9.6mm/0.38"(D); Hex Socket Width 3.1mm/0.12"; Grade 10.9
• Pitch 0.8mm; Coating Black Oxide Plated; Standard DIN7991

Product Description

Made of 40Cr Steel material,black oxide finish,hex socket flat head,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.