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Screw and Hole Sizes for Mounting Bracket 4-Pole Flat # 18144  

Question:

What size are the screws and clearance hole sizes? and what hole size needs to be drilled for the tapping screws? Thanks.

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Expert Reply:

For the Mounting Bracket 4-Pole Flat # 18144 the silver self-tapping screws are 0.15 inches in diameter at the threads. Since they are self-tapping a hole is not required but if you wanted to first drill a pilot hole I would go with a 1/16 inch.

The black screws are 3/16 and the nuts that go with them are the same.

The holes in the bracket have a diameter of 0.2 inches. All measurements were taken using digital calipers.

expert reply by:
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Michael H

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