What is a Countersink Bit?
A countersink bit is a type of drill bit that allows you to widen the entrance to a pilot hole so that the screw head is flush with the surrounding metal rather than sticking out on top of it.
What is a step drill/ step bit/ step drill bit?
What is a step drill? A step drill, also known as stepped drill bit, step drill bit or step bit, is used for drilling a hole or enlarging an existing hole in thin sheet metal. Not only drilling, a step drill also can chamfer and deburr the cutting edge of workpiece by using the bevel of the next step.
What are Hole Saws or Hole Cutter?
A hole saw or hole cutter consist of steel cylinder mounted on anarbor and construction with power drills to cuta circular hole through a workpiece.Most hole saws have fairly short aspectratio of diameter to depth and they areused to cut through relatively thin workpieces .
Why Drill Metal with Annular Cutter (Mag Drill Bits) in Magnetic Drill?
Since an annular cutter removes only the material at the periphery of the hole, it is 3 to 4 times faster than twist drill bit. Besides, an annular cutter with pilot pin can finish a hole by one operation without pre-drilling for a pilot hole.
Drill and Tap a Screw Hole in Sheet Metal in One Step (With Video)
Drill tap is a combination of drill and tap to drill, tap and chamfer a through hole in one quick step. You can create many common screw holes for machine screws and bolts by inserting the drill tap into impact driver without switching cutting tools which really saves lots of time and money.
Annular Cutters - For High Precision Drilling on Thick and Hard Metals
3keego Annular Cutters are composed of two types, High-Speed Steel Annular Cutter (HSS) and Tungsten Carbide Tipped Annular Cutter (TCT). Our Annular Cutters are the best to drill holes on thick metal materials and large diameter of holes.
Hole Cutters - For High Precision Drilling on Thin Metals
3keego Hole Cutters are best on light drilling and are best suited in thin materials. Composed mainly of two types High-Speed Steel Hole Cutter (HSS) and Tungsten Carbide Tipped Hole Cutter (TCT).