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a. Item has external threads Go to 2 (screws) b. Item has no external threads Go to 7. a. Item has a pointy tip Go to 3 b. Item does not have a pointy tip Go to 5. 3. a. Item has a flat top Flat head wood screw b. Item doesn’t have a flat top Go to 4.
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a. Item has external threadsGo to 2 (screws) b. Item has no external threadsGo to 7
a. Item has a pointy tip Go to 3 b. Item does not have a pointy tip Go to 5
3. a. Item has a flat top Flat head wood screw b. Item doesn’t have a flat top Go to 4
a. Item has an oval head Oval head wood screw b. Item has a round head Round head wood screw
a. Item has a flat head Flat head machine screw b. Item doesn’t have a flat head Go to 6
a. Item has an oval head Oval head machine screw b. Item has a round head Round head machine screw
a. Item has internal threads Go to 8 (nuts) b. Item has no internal threads Go to 11 (nails)
a. Item has wings Wing nut b. Item has no wings Go to 9
a. Item has a cap Cap nut b. Item doesn’t have a cap Go to 10
a. Looking down on the hole item is 4 sided Square nut b. Looking down on the hole item is six sided Hex nut
a. Item has a tapered head Casing nail b. Item doesn’t have a tapered head Go to 12
a. Item has a large flat head Roofing nail b. Item doesn’t have a large flat head Go to 13
a. Item has a small flat head Common wire nail b. Item has a disc below it’s head Scaffold nail