SEMS machine screws
SEMS machine screws |
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Phillips pan head w/ external tooth washerPan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a Phillips screw driver. |
Phillips pan head w/ internal tooth washerPan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a Phillips screw driver. |
See also |
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Metric machine screwsScrews with machine threads for use with a nut or in a tapped hole. |
Socket screwsScrews with an Allen wrench drive. |