Drill Set, #1-60 Screw Machine Length HSS
- Made in the USA
- Surface treated black finish
- Heavy duty 135º split point
- High speed steel
#1 to 60 high speed steel drill set.
Set includes number drills from 1 to 60.
Screw machine length drills are 5/8 as long as normal jobber-length drills. These shorter drill bits are useful on mini lathes and mini mills where there isn't much distance for tools.
Includes a Huot metal index for storing the drills.
Here is a list of number drill sizes in decimal inches and millimeters.