# T-slot shelf boards for 15-series frames: 8 to 16 in deep, 24 to 48 in wide

> What shelf fits a 1515 T-slot bench?

- Category: Hardware › Framing
- Kind: Hardware
- Basis: Xem Studio design: ¾ in panels with counterbored 5/16-18 holes on the centre lines of 1.5 in rails under each edge
- Page: https://xemstudio.com/objects/t-slot-shelf-boards/ · JSON: https://xemstudio.com/api/geometry?object=t-slot-shelf-boards · Plain text: https://xemstudio.com/objects/t-slot-shelf-boards/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Sits on a rail at front and back (or on cantilever plates); same hole rule as the bench tops.

## Sizes

| width_in | depth_in | holes |
|---|---|---|
| 24 | 8 | 6 |
| 30 | 8 | 8 |
| 36 | 8 | 8 |
| 48 | 8 | 10 |
| 24 | 10 | 6 |
| 30 | 10 | 8 |
| 36 | 10 | 8 |
| 48 | 10 | 10 |
| 24 | 12 | 6 |
| 30 | 12 | 8 |
| 36 | 12 | 8 |
| 48 | 12 | 10 |
| 24 | 16 | 8 |
| 30 | 16 | 10 |
| 36 | 16 | 10 |
| 48 | 16 | 12 |

## Where the files are

- 80/20: [15 series T-slot profiles and fasteners (1.5 in rail, 5/16-18 hardware)](https://8020.net/1515.html) — web — maker's catalogue; numbers cited

## Free STEP/STL (16 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/t-slot-shelf-boards/index.json

- shelf-24x8x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x8x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x8x0.75in.stl) — 24 × 8 × ¾ in shelf: 6 counterbored 5/16 holes on the rail centre lines
- shelf-30x8x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x8x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x8x0.75in.stl) — 30 × 8 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-36x8x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x8x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x8x0.75in.stl) — 36 × 8 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-48x8x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x8x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x8x0.75in.stl) — 48 × 8 × ¾ in shelf: 10 counterbored 5/16 holes on the rail centre lines
- shelf-24x10x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x10x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x10x0.75in.stl) — 24 × 10 × ¾ in shelf: 6 counterbored 5/16 holes on the rail centre lines
- shelf-30x10x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x10x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x10x0.75in.stl) — 30 × 10 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-36x10x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x10x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x10x0.75in.stl) — 36 × 10 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-48x10x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x10x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x10x0.75in.stl) — 48 × 10 × ¾ in shelf: 10 counterbored 5/16 holes on the rail centre lines
- shelf-24x12x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x12x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x12x0.75in.stl) — 24 × 12 × ¾ in shelf: 6 counterbored 5/16 holes on the rail centre lines
- shelf-30x12x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x12x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x12x0.75in.stl) — 30 × 12 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-36x12x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x12x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x12x0.75in.stl) — 36 × 12 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-48x12x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x12x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x12x0.75in.stl) — 48 × 12 × ¾ in shelf: 10 counterbored 5/16 holes on the rail centre lines
- shelf-24x16x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x16x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-24x16x0.75in.stl) — 24 × 16 × ¾ in shelf: 8 counterbored 5/16 holes on the rail centre lines
- shelf-30x16x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x16x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-30x16x0.75in.stl) — 30 × 16 × ¾ in shelf: 10 counterbored 5/16 holes on the rail centre lines
- shelf-36x16x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x16x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-36x16x0.75in.stl) — 36 × 16 × ¾ in shelf: 10 counterbored 5/16 holes on the rail centre lines
- shelf-48x16x0.75in: [STEP](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x16x0.75in.step) · [STL](https://xemstudio.com/files/hardware/t-slot-shelf-boards/shelf-48x16x0.75in.stl) — 48 × 16 × ¾ in shelf: 12 counterbored 5/16 holes on the rail centre lines

## Questions

**Supports?**

Two rails, or the cantilever shelf plates on a post.

## Fits with

- [1515 T-slot extrusion, 1.5 × 1.5 in (15-series inch)](https://xemstudio.com/objects/1515-t-slot-extrusion-inch/)
- [Slide-in T-nuts for 20, 30, 40, 45 mm and 1 in, 1.5 in T-slot extrusion](https://xemstudio.com/objects/slide-in-t-nuts/)
- [Socket head cap screws, inch: #10-24, #10-32, 5/16-18, 3/8-16, 1/2-13 (ASME B18.3)](https://xemstudio.com/objects/socket-head-cap-screws-inch/)
- [Button head socket cap screws, inch: #4-40 to 1/2-13 (ASME B18.3)](https://xemstudio.com/objects/button-head-socket-screws-inch/)
- [L corner brackets for 20, 30, 40, 45 mm and 1 in, 1.5 in T-slot extrusion](https://xemstudio.com/objects/t-slot-corner-brackets/)