flat head machine screw countersunk-sfyh.com

Countersunk ( CSK ) head machine screw is mainly used for safety purposes. The head of this screw cannot be rotated and requires special tools.

ISO14581 GB2673 M2 M2.5 M3 M4 M5 M6 M8 304 Stainless Steel Torx Countersunk Screw Six-Lobe Flat Head Machine Security Screws

Wholesale Head Machine Screws in good price,25-30kgs/carton,36-48cartons/pallet or as per customer's request!

China manufacturer stainless steel half-countersunk head machine screws GB820,DIN966

This special adding chemical coating has a helpful function for screws using. QT will provide you screws as your special requirements.

The standard of this item is GB2673. For the standard piece, you can check the size of each part from the officail files or directly enquiry us.

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