Jerico, Inc



Carr Lane online catalog
10 Seconds

It only takes 60 seconds to a perfect drill point




Clamping the drill Double-tapered collets with extended clamping surface guarantee high concentricity.
20 Seconds




Move drill to the sapphire glass and line up the cutting edge on the screen. Optional 14- and 20-power lenses allow for setting up smaller drills easier.
30 Seconds



Grind cutting and clearance angle on first cutting edge.

Cutting angles are infinitely adjustable. Point angle 80 to 150 degrees, for flat bottom drills 180 degrees, cutting angle between 0 and 40 degrees.

40 Seconds




Grind cutting and clearance angle on second cutting edge
50 Seconds




IPoint splitting in the same chucking. The various setting options of the point splitting attachment allow for an almost unlimited variety of point splitting and web thinning operations.
60 Seconds




Optically check the grind on the projection screen.The perfect grind can be checked on the optical projection screen with the desired magnification.





A drill works optimal if the cutting forces are evenly distributed between the two cutting edges.