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2. Magnetic drilling machine - Wikipedia

   en.wikipedia.org/wiki/Magnetic_drilling_machine

   A morse taper 3 arbor equipped magnetic drill machine using taper shank drill bits. The arbor or chuck on a magnetic drill is attached to the motor. It is a type of clamp used to attach the core drills. There are mainly two types of chuck available for the magnetic drill, industrial arbor (manual tightening) and quick change drill chucks. The ...

3. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   For example, this allows a 1 ⁄ 2-inch (13 mm) bit to be used in a pistol-grip drill's 3 ⁄ 8-inch (9.5 mm) chuck. One particular type of reduced-shank drill bits are Silver & Deming ( S&D ) bits, whose sets run from 9 ⁄ 16 -inch (14 mm) to 1 + 1 ⁄ 2 -inch (38 mm) drill body diameter with a standard 1 ⁄ 2 -inch (13 mm) reduced shank for ...

4. Miter saw - Wikipedia

   en.wikipedia.org/wiki/Miter_saw

   An arbor bolt holds the blade to the saw rotor and its diameter must match the blade hole size in order to properly secure the blade (300 mm (12 in) blades commonly use 25 mm (1 in) arbor holes and 250 mm (10 in) blades favor 16 mm (5 ⁄ 8 in)). To prevent the saw from loosening the arbor bolt, the threads are reverse-threaded, the rotational ...

5. Mandrel - Wikipedia

   en.wikipedia.org/wiki/Mandrel

   A mandrel, mandril, or arbor is a tapered tool against which material can be forged, pressed, stretched or shaped (e.g., a ring mandrel - also called a triblet [1] - used by jewellers to increase the diameter of a wedding ring), or a flanged or tapered or threaded bar that grips a workpiece to be machined in a lathe.

6. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   The diameter of the big end in inches is always the taper size divided by 8, the small end is always the taper size divided by 10 and the length is the taper size divided by 2. For example, a Jarno No. 7 measures 0.875" (7/8) across the big end. The small end measures 0.700" (7/10) and the length is 3.5" (7/2).

7. Yankee screwdriver - Wikipedia

   en.wikipedia.org/wiki/Yankee_screwdriver

   adapters to adapt push drill size drill point sets to the three sizes of screwdriver chuck size; countersinks; screwdriver tips holding with screw holding feature; Phillips screwdriver tips in various sizes (Ph#1 to Ph#3 in 5/16" and 9/32" shank models, Ph#1 and Ph#2 sizes only for the 7/32" shank models)