> **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

# 4001 Series Clamping Servo to Shaft Coupler (25 Tooth Spline to 6mm Round Bore)

**Type:** Product page · **SKU:** GB-4001-0025-0006 · **Brand:** [goBilda](https://core-electronics.com.au/brands/gobilda)
**Page:** https://core-electronics.com.au/4001-series-clamping-servo-to-shaft-coupler-25-tooth-spline-to-6mm-round-bore.html ([markdown](https://core-electronics.com.au/4001-series-clamping-servo-to-shaft-coupler-25-tooth-spline-to-6mm-round-bore.html.md))

This coupler allows you to fasten a 6mm diameter shaft in-line with the output spline of a servo. The clamping feature insures that the.....

## Pricing

- **Price:** $16.80 (inc GST) — $15.27 AUD, exc GST
- **Quantity discounts:** 10+ $14.51 (exc GST) · 25+ $13.75 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 6 today, and up to 700 more in 7–10 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=GB-4001-0025-0006:1` (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-4001-0025-0006:1.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

This coupler allows you to fasten a 6mm diameter shaft in-line with the output spline of a servo. The clamping feature ensures that the shaft will not slip, and it’s non-marring, which means you can remove and install this coupler as many times as you need.

### Downloads

- [ STEP File ](https://core-electronics.com.au/attachments/localcontent/4001-0025-0006_21561412fab.zip)

### Specs

| Weight | 6g |
|---|---|
| Material | Aluminum |
| Finish | Clear Anodized |
| IP | Patented |

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/G/B/GB-4001-0025-0006-1.jpg)