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  2. Spotface - Wikipedia

    en.wikipedia.org/wiki/Spotface

    The cutters most often used to cut spotfaces are counterbore cutters and endmills. In manual machining especially, the former is useful because its pilot guides the cutter into the correct location (established by the bolt hole), and its cutting lips are perpendicular to the hole axis with no relief angle, meaning that a plunging cut, moving in ...

  3. List of screw drives - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_drives

    Pozidriv screws have a set of radial indentations (tick marks) set at 45° from the main cross recess on the head of the screw, which makes them visually distinct from Phillips screws. [ 11 ] While a Phillips screwdriver has slightly tapered flanks, a pointed tip, and rounded corners, a Pozidriv screwdriver has parallel flanks, a blunt tip, and ...

  4. Screwdriver - Wikipedia

    en.wikipedia.org/wiki/Screwdriver

    This approach creates a set of graduated slotted screwdrivers that will fit a particular screw for a tighter engagement and reduce screw head deformation. However, many better-quality screwdriver blades are already induction-hardened (surface heat-treated), coated with black-oxide, black-phosphate, or diamond-coated to increase friction between ...

  5. Countersink - Wikipedia

    en.wikipedia.org/wiki/Countersink

    Side and end view of a 4-fluted countersink. The fluted countersink cutter is used to provide a heavy chamfer in the entrance to a drilled hole. This may be required to allow the correct seating for a countersunk-head screw or to provide the lead in for a second machining operation such as tapping. Countersink cutters are manufactured with six ...

  6. Fixture (tool) - Wikipedia

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

    A common type of fixture, used in materials tensile testing (Grip-Engineering). A fixture is a work-holding or support device used in the manufacturing industry. [1] [2] Fixtures are used to securely locate (position in a specific location or orientation) and support the work, ensuring that all parts produced using the fixture will maintain conformity and interchangeability.

  7. Wood shaper - Wikipedia

    en.wikipedia.org/wiki/Wood_shaper

    The standard US spindle shaft is 1 + 3 ⁄ 4 in (44 mm), with 3 ⁄ 4 or 1 ⁄ 2 in (19 or 13 mm) on small shapers and 30 mm on European models. Most spindles are tall enough to accommodate more than one cutter head, allowing rapid tooling changes by raising or lowering desired heads into position. Additional spindles can be fitted with pre ...

  8. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    An adjustable wood bit, also known as an expansive wood bit, has a small center pilot bit with an adjustable, sliding cutting edge mounted above it, usually containing a single sharp point at the outside, with a set screw to lock the cutter in position. When the cutting edge is centered on the bit, the hole drilled will be small, and when the ...

  9. Drill - Wikipedia

    en.wikipedia.org/wiki/Drill

    A popular use of hand-held power drills is to set screws into wood, through the use of screwdriver bits. Drills optimized for this purpose have a clutch to avoid damaging the slots on the screw head. Pistol-grip drill – the most common hand-held power drill type. Right-angle drill – used to drill or drive screws in tight spaces.

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