# Socket bit 1/2" 21 mm 6-point for impact use, JCB JCB-44521

**URL:** https://aio.lv/en/product--jcb-jcb-44521--11729413
**Data updated:** 2026-03-08 11:33 (EET)
**Category:** Screwdriver Bits
**Manufacturer:** JCB
**Manufacturer code:** JCB-44521
**EAN:** 5905101371996
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--jcb-jcb-44521--11729413

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Impact socket 1/2" (square drive) 21 mm, 6-point design by JCB (model JCB-44521). Designed for use with impact wrenches and ratchets, this hexagonal socket provides secure engagement with fasteners to reduce rounding. Suitable for automotive, industrial maintenance and construction tasks where high torque and durable impact-rated tooling are required.

## Long description

Impact socket 1/2" 21 mm, 6-point by JCB is a heavy-duty accessory designed for use with impact wrenches and ratchets. The 6-point configuration ensures a positive fit on hex fasteners, reducing the risk of rounding and improving torque transfer during high-load operations. Manufactured for impact use, this socket is suited to repetitive fastening and loosening tasks where durability and reliable engagement are required.
Advantages
This 21 mm impact socket features a 6-point profile that concentrates contact on the flats of fasteners for secure gripping and reduced slippage. Built to withstand the stresses of impact tools, it offers enhanced toughness compared with standard chrome sockets and is less likely to crack under high torque. The square drive interface provides stable connection to 1/2" drive impact wrenches and extension accessories, enabling efficient power transfer and consistent performance in workshop and field environments.
Suitable for
Automotive repair and maintenance — wheel nuts, suspension and engine fasteners
Industrial maintenance — machinery assembly and heavy equipment servicing
Construction and plant operations — structural bolting and on-site fastening
Key specifications
Drive size: 1/2" square drive compatible with impact tools
Socket size: 21 mm hex (6-point)
Design: 6-point configuration for secure engagement with hex fasteners
Intended use: Impact-rated for use with impact wrenches and impact-rated ratchets
Material characteristic: Impact-grade construction for improved toughness under repeated shock loads
How to use
Select the 21 mm 6-point impact socket and attach it securely to a 1/2" drive impact wrench or impact-rated ratchet. Ensure the socket is fully seated on the drive and engaged with the fastener before applying torque. When loosening seized or rusted bolts, apply steady short bursts of torque rather than continuous force to reduce stress on both the fastener and the socket. After use, inspect the socket for cracks, rounded openings or excessive wear and replace if any damage is detected.
Usage recommendations
Use only with impact-rated tools and accessories; do not use impact sockets with hand-only chrome tools. Wear appropriate personal protective equipment when operating power tools, and avoid applying extensions or cheater bars intended for non-impact sockets. Store the socket in a dry, organized toolbox to prevent corrosion and to maintain quick access.

## FAQ

### How much does the Impact socket 1/2" 21 mm JCB JCB-44521 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 981 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 06.07.2026 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 JCB 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 JCB 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/11729413/67109491_large.webp