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304 stainless steel slot / slotted drive flat countersunk ( CSK ) head machine screw

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

High Quality Zinc Plated CSK Head Machine Screws

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

GB820 cross half-countersunk head stainless steel machine screws

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

GB819 Phillips CSK head machine screws with chemical coating

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

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