Hex Allen Screw

• Item:Hex Allen Screw DIN7991

 

• Material:Carbon Steel

 

• Grade:4.8,8.8,10.9,12.9

 

• Coating:White Zinc,Yellow Zinc, Black Oxide,

 

• Hot-dip galvanized,Dacromet,Teflon

 

• MOQ: No requirement if stock available

 

• Packing:Bag/Carton/Wood box/Bulk

DIN 7991 (ISO 10642) -c on hexagon socket countersunk head screws. The head of this fastener is one the thing that makes it so unique – a tapering countersunk head that will sit completely flush with the surface of your workpiece once installed, giving you a sleek and smooth finish to your piece. Its drive type is hexagon socket, the longer open-drive of which enables to handle installation and removal easily by installing at high torque compared with slotted or cross-recessed, making it more stable and reliable. Typically made of high tensile steel such as grade 8.8 to 12.9 or stainless steel (A2/A4), they are designed for use in applications where space is at a premium and strength an issue.Utilizing the drive principle, these screws require mating nuts to be held to the surface, Metric Threaded Screws contribute mechanical efficiency to any assembly or retrofit project. And used as important fasteners in moulds, precision machinery and high speed machine.

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