Depth collars and sets designed for use with drills and counterbores.
Features collars with set screws which lock into the drill flute or bit surface.
Surface finish either zinc-plated or black oxide to prevent rusting.
Made in the USA.
SESC7set includes 7 collar as described below - sizes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", and 1/2"
SESC4set includes 4 collar as described below - sizes 5/8", 3/4", 5/16", 7/8", and 1".
| Item # | Hole Dia | Outside Dia | Width | Set Screw Size |
| SESC18 | 1/8" | 3/8" | 1/4" | #6-32 |
| SESC316 | 3/16" | 3/8" | 1/4" | #10-32 |
| SESC14 | 1/4" | 5/8" | 3/8" | #10-32 |
| SESC516 | 5/16" | 5/8" | 3/8" | #10-32 |
| SESC38 | 3/8" | 3/4" | 7/16" | 1/4"-20 |
| SESC716 | 7/16" | 7/8" | 1/2" | 1/4"-20 |
| SESC12 | 1/2" | 7/8" | 1/2" | 1/4"-20 |
| SESC916 | 9/16" | 1" | 3/8" | 1/4"-20 |
| SESC58 | 5/8" | 1-1/8" | 1/2" | 1/4"-20 |
| SESC34 | 3/4" | 1-1/4" | 1/2" | 5/16"-18 |
| SESC78 | 7/8" | 1-3/8" | 9/16" | 5/16"-18 |
| SESC1 | 1" | 1-1/2" | 9/16" | 5/16"-18 |
| SESC7set | | see above |
| SESC4set | | see above |