Junior Mills® - 1/8" Shank Miniature Rotary Files
78 products available - Order by EDP Number
Request a Quote Find a Distributor Rotary Burrs Catalog (PDF)78 products available - Order by EDP Number
Request a Quote Find a Distributor Rotary Burrs Catalog (PDF)Miniature versions of the Midget Mill with 1/8" shank diameter and 1-5/8" overall length. These popular tools are used for finishing the intricate patterns and parts, with surfaces difficult to reach with the large Midget Mills. Junior Mills are recommended for metal, wood, and plastic part finishing. Use them in place of grinding wheels or mounted points; they will cut faster, make real chips, and leave excellent finishes. Tools can be reground many times.
Miniature 1/8" shank rotary files in H.S.S. and carbide (single cut), plus the carbide Junior d-burrs with a Herringbone Cut.
All tools are ordered by their EDP Number (Electronic Data Processing). Find your tool in the table below and use the EDP number when placing orders with your distributor.
All EDP numbers listed below. Request a quote for any EDP, or find a stocking distributor.
| Tool Name | Head Dia. | Flute Length | Nose | Shape | HSS EDP |
|---|---|---|---|---|---|
| JR-1 | 3/16" | 5/8" | - | Cylindrical, Plain End | 22721 |
| JR-1-EC | 3/16" | 5/8" | - | Cylindrical, End Cutting | 22724 |
| JR-2 | 1/4" | 1/2" | - | Cylindrical, Plain End | 22722 |
| JR-2-EC | 1/4" | 1/2" | - | Cylindrical, End Cutting | 22725 |
| JR-3 | 1/8" | 3/32" | - | Ball | 22726 |
| JR-4 | 1/4" | 3/16" | - | Ball | 22727 |
| JR-5 | 3/16" | 5/8" | - | Cylindrical, Ball Nose | 22730 |
| JR-6 | 3/16" | 5/8" | P | Cone Forward Angle | 22741 |
| JR-7 | 3/16" | 3/8" | - | Olive | 22732 |
| JR-8 | 1/8" | 5/16" | .031" | Tree, Rounded Nose | 22734 |
| JR-9 | 3/16" | 3/8" | .047" | Tree, Rounded Nose | 22735 |
| JR-10 | 3/16" | 3/8" | - | Flame | 22738 |
| JR-11 | 3/8" | 3/64" | - | Wheel, Cylindrical, Plain End | 22745 |
| JR-11-EC | 3/8" | 3/64" | - | Wheel, Cylindrical, End Cutting | 22746 |
| JR-12 | 1/4" | 1/4" | - | Inverted Cone, Plain End | 22743 |
| JR-12-EC | 1/4" | 1/4" | - | Inverted Cone, End Cutting | 22744 |
| JR-13 | 3/16" | 11/64" | - | Ball | 22728 |
| JR-14 | 1/8" | 1/2" | - | Cylindrical, Plain End | 22720 |
| JR-14-EC | 1/8" | 1/2" | - | Cylindrical, End Cutting | 22723 |
| JR-15 | 1/4" | 1/2" | - | Cylindrical, Ball Nose | 22731 |
| JR-16 | 1/4" | 1/2" | .031" | Cone Forward Angle | 22742 |
| JR-17 | 1/4" | 1/2" | - | Olive | 22733 |
| JR-18 | 1/4" | 1/2" | .063" | Tree, Rounded Nose | 22736 |
| JR-19 | 1/4" | 1/2" | - | Flame | 22739 |
| JR-20 | 1/4" | 1/16" | - | Wheel, Side Cutting, Double Angle | 22747 |
| JR-21 | 1/8" | 11/64" | - | Flame | 22737 |
| JR-22 | 1/8" | 13/32" | F | Cone Forward Angle | 22740 |
| JR-23 | 1/8" | 1/2" | - | Cylindrical, Ball Nose | 22729 |
| Tool Name | Head Dia. | Flute Length | Nose | Shape | Carbide EDP |
|---|---|---|---|---|---|
| JR-1-W | 3/16" | 5/8" | - | Cylindrical, Plain End | 22821 |
| JR-1-EC-W | 3/16" | 5/8" | - | Cylindrical, End Cutting | 22824 |
| JR-2-W | 1/4" | 1/2" | - | Cylindrical, Plain End | 22822 |
| JR-2-EC-W | 1/4" | 1/2" | - | Cylindrical, End Cutting | 22825 |
| JR-3-W | 1/8" | 3/32" | - | Ball | 22826 |
| JR-4-W | 1/4" | 3/16" | - | Ball | 22828 |
| JR-5-W | 3/16" | 5/8" | - | Cylindrical, Ball Nose | 22830 |
| JR-6-W | 3/16" | 5/8" | P | Cone Forward Angle | 22841 |
| JR-7-W | 3/16" | 3/8" | - | Olive | 22832 |
| JR-8-W | 1/8" | 5/16" | .031" | Tree, Rounded Nose | 22834 |
| JR-9-W | 3/16" | 3/8" | .047" | Tree, Rounded Nose | 22835 |
| JR-10-W | 3/16" | 3/8" | - | Flame | 22838 |
| JR-11-W | 3/8" | 3/64" | - | Wheel, Cylindrical, Plain End | 22845 |
| JR-11-EC-W | 3/8" | 3/64" | - | Wheel, Cylindrical, End Cutting | 22846 |
| JR-12-W | 1/4" | 1/4" | - | Inverted Cone, Plain End | 22843 |
| JR-12-EC-W | 1/4" | 1/4" | - | Inverted Cone, End Cutting | 22844 |
| JR-13-W | 3/16" | 11/64" | - | Ball | 22827 |
| JR-14-W | 1/8" | 1/2" | - | Cylindrical, Plain End | 22820 |
| JR-14-EC-W | 1/8" | 1/2" | - | Cylindrical, End Cutting | 22823 |
| JR-15-W | 1/4" | 1/2" | - | Cylindrical, Ball Nose | 22831 |
| JR-16-W | 1/4" | 1/2" | .031" | Cone Forward Angle | 22842 |
| JR-17-W | 1/4" | 1/2" | - | Olive | 22833 |
| JR-18-W | 1/4" | 1/2" | .063" | Tree, Rounded Nose | 22836 |
| JR-19-W | 1/4" | 1/2" | - | Flame | 22839 |
| JR-20-W | 1/4" | 1/16" | - | Wheel, Side Cutting, Double Angle | 22847 |
| JR-21-W | 1/8" | 11/64" | - | Flame | 22837 |
| JR-22-W | 1/8" | 13/32" | F | Cone Forward Angle | 22840 |
| JR-23-W | 1/8" | 1/2" | - | Cylindrical, Ball Nose | 22829 |
| Tool Name | Head Dia. | Flute Length | Nose | Shape | EDP |
|---|---|---|---|---|---|
| JR-1-W-HB | 3/16" | 5/8" | - | Cylindrical, Plain End | 22851 |
| JR-2-W-HB | 1/4" | 1/2" | - | Cylindrical, Plain End | 22852 |
| JR-3-W-HB | 1/8" | 3/32" | - | Ball | 22853 |
| JR-4-W-HB | 1/4" | 3/16" | - | Ball | 22855 |
| JR-5-W-HB | 3/16" | 5/8" | - | Cylindrical, Ball Nose | 22857 |
| JR-6-W-HB | 3/16" | 5/8" | P | Cone Forward Angle | 22868 |
| JR-7-W-HB | 3/16" | 3/8" | - | Olive | 22859 |
| JR-8-W-HB | 1/8" | 5/16" | .031" | Tree, Rounded Nose | 22861 |
| JR-9-W-HB | 3/16" | 3/8" | .047" | Tree, Rounded Nose | 22862 |
| JR-10-W-HB | 3/16" | 3/8" | - | Flame | 22865 |
| JR-11-W-HB | 3/8" | 3/64" | - | Wheel, Cylindrical, Plain End | 22871 |
| JR-12-W-HB | 1/4" | 1/4" | - | Inverted Cone, Plain End | 22870 |
| JR-13-W-HB | 3/16" | 11/64" | - | Ball | 22854 |
| JR-14-W-HB | 1/8" | 1/2" | - | Cylindrical, Plain End | 22850 |
| JR-15-W-HB | 1/4" | 1/2" | - | Cylindrical, Ball Nose | 22858 |
| JR-16-W-HB | 1/4" | 1/2" | .031" | Cone Forward Angle | 22869 |
| JR-17-W-HB | 1/4" | 1/2" | - | Olive | 22860 |
| JR-18-W-HB | 1/4" | 1/2" | .063" | Tree, Rounded Nose | 22863 |
| JR-19-W-HB | 1/4" | 1/2" | - | Flame | 22866 |
| JR-21-W-HB | 1/8" | 11/64" | - | Flame | 22864 |
| JR-22-W-HB | 1/8" | 13/32" | F | Cone Forward Angle | 22867 |
| JR-23-W-HB | 1/8" | 1/2" | - | Cylindrical, Ball Nose | 22856 |
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