# Keyed drill chuck STANLEY STA66321, mounting 1/2"-20, sleeve Ø 1.3 cm

**URL:** https://aio.lv/en/product--stanley-sta66321--11390899
**Data updated:** 2026-03-07 20:02 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** STANLEY
**Manufacturer code:** STA66321
**EAN:** 5035048371558
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--stanley-sta66321--11390899

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Keyed drill chuck STANLEY STA66321 designed for secure bit clamping with a 1/2"-20 mounting. The chuck features a sleeve outer diameter of 1.3 cm and a keyed tightening mechanism for reliable torque transfer. Suitable for handheld drills and drill presses that accept 1/2"-20 mounts; used for metalworking, woodworking and general drilling tasks.

## Long description

Keyed drill chuck STANLEY STA66321 is a metal chuck designed for secure and stable bit clamping with a 1/2"-20 mounting thread and a sleeve outer diameter of 1.3 cm. The chuck uses a keyed tightening mechanism to provide firm grip on round and shank bits, enabling reliable torque transfer and reduced slippage during drilling. It is compatible with handheld drills and drill presses that accept a 1/2"-20 mount and is intended for general drilling tasks across metalworking, woodworking and maintenance jobs.
Advantages
The keyed tightening system offers consistent clamping force and easier bit replacement under load compared with keyless designs. The metal construction ensures durability under frequent use and contributes to stable concentricity while drilling. The 1/2"-20 mounting thread provides wide compatibility with power tools and allows straightforward attachment to chucks or adapters that accept this standard. The compact sleeve diameter facilitates access in tighter workspaces.
Suitable for
 Handheld electric drills with 1/2"-20 mounting
 Drill presses accepting 1/2"-20 threaded chucks
 Metal drilling and light fabrication
 Woodworking tasks and cabinetry
 General maintenance and repair jobs requiring reliable bit retention
Key specifications
 Mounting thread: 1/2"-20
 Sleeve outer diameter: 1.3 cm
 Chuck type: keyed drill chuck
 Clamping mechanism: keyed/gear-driven jaws
 Material: metal construction for durability
How to use
Mount the chuck onto a compatible 1/2"-20 threaded spindle or adapter and tighten securely. Insert the drill bit into the jaws, position it to the desired depth, then use the matching chuck key to tighten the jaws evenly until the bit is firmly held. Before starting work, run the drill at low speed briefly to confirm the bit is concentric and securely clamped. When changing bits, loosen with the chuck key and remove the bit carefully.
Usage recommendations
Use the correct size chuck key for the gear teeth to avoid damage; keep jaws and key mechanism clean from debris and lightly lubricated if exposure to moisture or heavy use is expected. Check tightness periodically during extended drilling operations and avoid exceeding the recommended bit sizes for the chuck to maintain safe and accurate performance.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Stainless steel |
| Mounting type | 1/2"-20 |
| Product type | Keyed chuck |
| Sleeve outer diameter | 13 mm |

## FAQ

### How much does the Keyed drill chuck STANLEY STA66321 1/2"-20 cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All STANLEY products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized STANLEY service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11390899/66208304_large.webp