Screws and bolts with internal drive

BN 30105 - DIN 7991 - ~ISO 10642

Headform	Countersunk head
Drive	Hexagon socket
Thread	fully threaded
Material	Steel
Property class	08.8 / 8.8 (The head marking is determining)
Surface	zinc plated blue

Hex socket flat countersunk head screws fully threaded
Steel - 08.8 / 8.8 (The head marking is determining) - zinc plated blue

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