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Semi permanent joining methords - Coggle Diagram
Semi permanent joining methords
Screws
Screws work with timber, metal and plastic
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
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
Nuts and Bolts
Works for Timber, Metal and plastic (usually metal)
BOLTS
NUTS
Used to clamp two diffrent metals together, Very strong clamp
Knock-down fittings
Great for flat packing furniture
Hinges,catches and stays
Moveable joints that pivot
