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. M2 Machine Screws, Slotted. Pan Head, Brass, DIN 85 lengths available: M2 X 6 Din 85 Brass Slot Pan M/C M2 X 10 Din 85 Brass Slot Pan M/C M2 X 12 Din 85 Brass Slot Pan M/C Red - Request length M2.5 Machine Screws, Slotted.
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