screws Flashcards
(26 cards)
When pre-drilling woods for screws, drill the ____ in the first piece of stock, then hold this piece over the second piece to mark the location for the pilot hole.
shank clearance hole
Drill a pilot hole only about ____ the depth to which the screw will go.
half
A screw-mate drill and countersink can be used with ______.
flathead screws
Special wood screws with widely spaced threads are available to use with _______.
composition panels
Screws located in tight places where a regular screwdriver cannot be used can be installed with a(n) ________ screwdriver.
offset
Heating the head of a screw with a(n) ___________ makes the screw easier to remove after the screw cools.
soldering iron
Screw length should be selected so that the screw comes no closer than _______ inch from the bottom of the bottom (second) piece.
1/8”
When building anything that will get wet, the best screws to use are made from __________.
stainless steel (rust free)
Screw shank diameters can be read using a(n) ___________.
American screw wire guage
If the size of a screw is not indicated on a project drawing, choose one that will go at least ______ of its length into the second piece.
two-thirds
True or False?
A screw-mate drill and countersink drills to the correct depth and creates a countersink hole, shank clearance hole, and a pilot hole.
True
True or False?
A screw-mate counterbore creates a woods plug that can be used to cover the screw head after it is installed.
True
True or False?
Twin-threaded utility screws are preferred for fine hardwoods.
False
True or False?
A dowel screw has a wood-screw thread on one end and a metal-screw thread on the other.
False
True or False?
Always make sure that the tip of a standard screwdriver is the same width as the diameter of the screw head being driven.
True
Definitions:
American screw wire guage
Indicated the screw shank diameter without 0 to 24
Definitions:
Countersinking
A way of enlarging the top portion of a hole to a cone shape.
Definitions:
Countersink
Can be used to cut the ? in the upper surface of the first piece of stock
Definitions:
Offset screwdriver
Used to install or remove screws in tight places
Definitions:
Phillips-head
Made for crosshead-screws
Definitions:
Standard screw driver
Used to install slotted head screws
Definitions:
Screwdriver bit
For large screws
Definitions:
Screw-mate
Can do all operations as screw mate drill and countersink
Definitions:
Counterbore
Can do all operations as screw mate drill and countersink
