Semi permanent joining methords

Screws

Nuts and Bolts

Knock-down fittings

Hinges,catches and stays

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Screws work with timber, metal and plastic

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Woodscrews provide a neat, strong method of joining timber, and they can be removed easily.

Wood screws are classified by their length, gauge (diameter, material and type of head

Using wood-screws

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Drill a pilot hole slight smaller then the core in the thick piece. Use a bradawl in softwood and drill in hardwood to make the pilot hole

Drill a clearance hole in the thin piece, slighter larger then the shank of the screws

Countersink the clearance hole

Brass screws can shear off: to avoid this insert a steel screw first, then replace it with a brass one

Works for Timber, Metal and plastic (usually metal)

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BOLTS

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NUTS

Used to clamp two diffrent metals together, Very strong clamp

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Great for flat packing furniture

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Moveable joints that pivot

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