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2. Pocket-hole joinery - Wikipedia

   en.wikipedia.org/wiki/Pocket-hole_joinery

   Pocket hole jigs allow the user to drill a hole at an accurate angle to get a good joint. Using a pocket hole jig also makes for a cleaner and neater appearance as opposed to creating a pocket hole without the help of a jig. [2] A pocket hole jig is generally made of plastic and has a metal insert that the drill bit is inserted through to drill ...

3. Concealed hinge jig - Wikipedia

   en.wikipedia.org/wiki/Concealed_hinge_jig

   A concealed hinge drilling jig is a type of support jig, designed for drilling 3 cm holes to fit concealed hinges into modern wardrobe doors. As many of the complementary tools used in woodworking, it uses an electric hand-drill for its operation, making a Forstner bit to turn.

4. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   The correct tool to start a traditionally drilled hole (a hole drilled by a high-speed steel (HSS) twist drill bit) is a spotting drill bit (or a spot drill bit, as they are referenced in the U.S.). The included angle of the spotting drill bit should be the same as, or greater than, the conventional drill bit so that the drill bit will then ...

5. Jig (tool) - Wikipedia

   en.wikipedia.org/wiki/Jig_(tool)

   An example of a jig is when a key is duplicated; the original is used as a jig so the new key can have the same path as the old one. Since the advent of automation and computer numerical controlled (CNC) machines, jigs are often not required because the tool path is digitally programmed and stored in memory. Jigs may be made for reforming plastics.

6. Hole opener - Wikipedia

   en.wikipedia.org/wiki/Hole_opener

   Hole openers are also used when a hole must be logged, since logging tools generally cannot handle holes larger than 17 and a half inches in diameter. [1] Hole opener arms have to sustain heavy loads during operations [2] and are generally made of high-grade alloy steel, welded onto a solid alloy steel body. Some designs feature replaceable ...

7. Jig grinder - Wikipedia

   en.wikipedia.org/wiki/Jig_grinder

   A well-kept jig grinder will reliably position work to a higher degree of accuracy than is possible with handwheels alone. These features are all critical in positioning a hole-and-peg system a precise distance from a reference surface or edge. The most important factor on a jig grinder is the dual-spindle configuration.