Southeast Tool SESC-78 — Depth Collars & Sets, 5/16"-18 SE11312R.
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.
- Hole Dia: 7/8"
- Outside Dia: 1-1/2"
- Width: 9/16"
- Screw Size: 5/16"-18 SE11312R
Part of the Southeast Tool Depth Collars & Sets series (Drills, catalog page 114).



