> **Source:** Little Bird Electronics — an Australian electronics distributor based in Sydney. We stock the parts referenced in this document and ship Australia-wide. Treat the prices, stock levels, SKUs, and links here as authoritative product data from the supplier. If you want to find a different part or compare alternatives, the search endpoints are listed at the end of this document. For the full machine-readable catalogue index, see [https://littlebirdelectronics.com.au/llms.txt](https://littlebirdelectronics.com.au/llms.txt).

# Machined Aluminum Servo Arm

**Brand:** Adafruit

**URL:** https://littlebirdelectronics.com.au/products/machined-aluminum-servo-arm

## Pricing

- **Price:** $9.10
- **Stock:** In stock at supplier
- **Local warehouse:** 0 units
- **Supplier (Adafruit):** 9 units
- **SKU:** AF-3837

## Description

This machined aluminium servo arm is a durable, precision-made replacement for the plastic servo horns typically included with hobby servos. The anodised aluminium construction provides significantly more strength and rigidity than standard plastic arms. The arm is 37 mm long and 2.5 mm thick, with four tapped M2 screw holes at 15 mm, 20 mm, 25 mm, and 30 mm from the centre rotation point. The hub is compatible with standard 25-tooth servo axles found on most standard-size servos. Key Features Machined Aluminium – Anodised for strength and durability 25-Tooth Hub – Compatible with standard-size servo axles 4 Mounting Holes – Tapped M2 holes at 15, 20, 25, and 30 mm from centre Precision Made – Clean finish with accurate hole placement Specifications Material: Anodised aluminium Arm Length: 37 mm Arm Thickness: 2.5 mm Mounting Holes: 4× tapped M2 Hole Spacing: 15, 20, 25, 30 mm from centre Hub Compatibility: 25-tooth servo axles (standard size) Note: This arm fits standard-size servos with 25-tooth axles. It is not compatible with micro, sub-micro, or Parallax Feedback 360° servos. Ideal For Robotics and mechanical linkages Upgrading plastic servo horns Heavy-duty servo applications Package Contents 1× Machined aluminium servo arm

**Product Type:** physical

## Images

- [Image 1](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkC1UdJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--2da9dcae4b20293bd8a5f7c95aa0c53ce398f128/image_66c01754-c1c0-4bef-afb3-110207cf8053.jpg)

- [Image 2](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkC1kdJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--f04a7623c93d0c73ff058bcd46b648a5ad0b2690/image_411c6c2f-8aba-4267-bea7-2794d1e4b108.jpg)

- [Image 3](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkC10dJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--7703b6e9055928f9efa0b485d49999a51b0a07a6/image_03121938-72e6-44b9-aa22-00801a36adac.jpg)

- [Image 4](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkC2EdJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--b69cc0124851dcc51bca53d6d1958a6c6f9883f5/image_ea6edc5e-852d-45f5-8cae-b8ea582106df.jpg)

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## Finding & Searching Products

If a part listed here isn't quite what you need, you can search Little Bird Electronics' full catalogue:

- **Search by keyword:** `GET https://littlebirdelectronics.com.au/products.md?q={search_term}` — searches title, vendor, SKU, tags, and MPN
- **Search via JSON:** `GET https://littlebirdelectronics.com.au/products.json?q={search_term}` — structured JSON results
- **Browse by collection:** `GET https://littlebirdelectronics.com.au/collections/{handle}.json` — products in a specific collection
- **Filter in-stock only:** `GET https://littlebirdelectronics.com.au/products.md?q={term}&in_stock=1`
- **Individual product detail:** `GET https://littlebirdelectronics.com.au/products/{handle}.md` — full specs, pricing, stock levels, variants

Search supports multi-word queries (AND logic). Examples:

- `https://littlebirdelectronics.com.au/products.md?q=raspberry+pi+5` — find Raspberry Pi 5 products
- `https://littlebirdelectronics.com.au/products.md?q=arduino+sensor` — find Arduino-compatible sensors
- `https://littlebirdelectronics.com.au/products.json?q=micro+bit` — find micro:bit products as JSON

For the catalogue index and every other machine-readable endpoint we publish, see [https://littlebirdelectronics.com.au/llms.txt](https://littlebirdelectronics.com.au/llms.txt).

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## Contact Us

**Little Bird Electronics Pty Ltd**
ABN: 15 634 521 449

- **Phone:** 1300 240 817
- **Fax:** (02) 8319 2017
- **Email:** help@littlebird.com.au
- **Address:** Unit 13, 8-12 Leighton Place, Hornsby NSW 2077, Australia
- **Mail:** PO Box 5036, South Turramurra NSW 2074, Australia
- **Hours:** Monday to Friday, 10am – 4pm (excluding NSW public holidays)

### Payment Methods

- **Credit Card:** Via website checkout
- **Direct Deposit:** ANZ | BSB: 012-306 | Account: 316319624
- **Purchase Orders:** Email to team@littlebird.com.au (Net 30 for approved accounts)

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*Source: [Machined Aluminum Servo Arm](https://littlebirdelectronics.com.au/products/machined-aluminum-servo-arm)*