Shenzhen Qiangtuo Fastener Co., Ltd.,focusing on diversified standard parts and non-standard parts since 2001. All fasteners can be customized,like screws,bolts and nuts,washers,etc.
Countersunk ( CSK ) head machine screw is mainly used for safety purposes. The head of this screw cannot be rotated and requires special tools.
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.
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