Collet
Videos
A collet is a segmented sleeve, band or collar. One of the two radial surfaces of a collet is usually tapered and the other is cylindrical. The term collet commonly refers to a type of chuck that uses
Several machine collets (top and centre) and a dismantled pin chuck (below).
ER Collet
R8 Collets
From left to right 5C, 2J and 3J collets. All 1" workholding size.
Drill bit shank
Videos
The shank is the end of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit contact the workpiece, and are connected via the shaft with the shank, which fits into the chuck
Collet
…taper frequently used in drills, lathes and small milling machines. Chucks for drilling usually use a Morse taper and can be removed to accommodate Morse taper drill bits. Morse taper collet sets usually employ ER collets in an adaptor to suit the Morse taper. The adaptor is threaded to be held in place with a drawbar…
Brace drill bit shank
Straight drill bit shank
Hex drill bit shank
SDS-plus drill bit shanks