M3 Machine Screws Slotted Countersunk Brass DIN 963

M3 Machine Screws Slotted Countersunk Brass DIN 963 M3, Machine Screws, Slotted. What is a machine screw?. A machine screw is a fastening device similar to a bolt but having a pozidrive or slotted head which allows it to be turned with a screwdriver.

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