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Phillips Slot Countersunk Head Machine Screw、Hexagon socket countersunk head bolt、Flat Head Screws
Countersunk bolts
Countersunk bolts, also known as flat machine screws, have a 90-degree cone at their head, similar to common wooden screws, with tool tightening grooves on the head, slotted shapes, cross grooves, hexagonal grooves, etc.
Its function is to process a 90-degree conical circular dimple on the surface of the mounting hole on the connector, and the head of the flat machine screw is in this circular socket, which is flush with the surface of the connector.
Countersunk bolts, also known as flat machine screws, have a 90-degree cone at their head, similar to common wooden screws, with tool tightening grooves on the head, slotted shapes, cross grooves, hexagonal grooves, etc.
Its function is to process a 90-degree conical circular dimple on the surface of the mounting hole on the connector, and the head of the flat machine screw is in this circular socket, which is flush with the surface of the connector.
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