> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# 12mm REX™ Servo Shaft (25 Tooth Spline, 48mm Length)

**Type:** Product page · **SKU:** GB-1923-0025-0048 · **Brand:** [goBilda](https://core-electronics.com.au/brands/gobilda)
**Page:** https://core-electronics.com.au/12mm-rex-servo-shaft-25-tooth-spline-48mm-length.html ([markdown](https://core-electronics.com.au/12mm-rex-servo-shaft-25-tooth-spline-48mm-length.html.md))

Convert your servo’s H25T spline to an 12mm REX™ shaft to unlock tons of goBILDA® possibilities! This 48mm long servo shaft is ready to be.....

## Pricing

- **Price:** $18.50 (inc GST) — $16.82 AUD, exc GST
- **Quantity discounts:** 10+ $15.98 (exc GST) · 25+ $15.14 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 19 and Aug 24.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=GB-1923-0025-0048:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/GB-1923-0025-0048:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Convert your servo’s H25T spline to an 12mm REX™ shaft to unlock tons of goBILDA® possibilities! This 48mm long servo shaft is ready to be supported by a 12mm round bearing to isolate radial loads from your servo.

The positive-drive 12mm REX™ profile has compatibility with heavy-duty bearings, hubs, and more in the goBILDA® ecosystem.

### Downloads

- [ STEP File ](https://core-electronics.com.au/attachments/localcontent/1923-0025-0048_52375f3d977.zip)
- [ Spec Sheet ](https://core-electronics.com.au/attachments/localcontent/1923-0025-0048-spec-sheet_9444754e461.pdf)

### Specs

| Weight | 15g |
|---|---|
| Material | Aluminum |
| Finish | Clear Anodized |

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/G/B/GB-1923-0025-0048-2.png)