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header-product Thread spool Brother Madeira Aerolock 8420 Dark Blue 2500 m
5.49 €

Thread spool Brother Madeira Aerolock 8420 Dark Blue 2500 m

Thread Brother Madeira Aerolock 8420 2500 m Photo 1
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Thread spool Brother Madeira Aerolock 8420 Dark Blue 2500 m

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Short description

Brother Madeira Aerolock 8420 is a 2500-meter spool of dark blue overlock/serger thread. Designed for use on overlock and coverstitch machines, the Aerolock thread provides consistent feed and reliable seams for garment construction, edge finishing and stretch fabrics. Ideal for professional sewing, mending and production where long runs and color matching are needed.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 11161862
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
02.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
07.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
07.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

Brother Madeira Aerolock 8420 Dark Blue is a 2500-meter spool of overlock/serger thread formulated for consistent feeding and stable seams on overlock and coverstitch machines. This dark blue polyester thread supports garment construction, edge finishing and work with stretch fabrics, providing a long spool length suitable for production sewing and extended projects where color matching and continuity are required.

Advantages

The thread offers high tensile strength and uniform thickness to reduce breakage and skipped stitches during high-speed overlocking. Its smooth surface allows reliable feeding through loopers and needles, while colorfast polyester composition resists fading and washing. The 2500 m spool size minimizes downtime from frequent thread changes and suits continuous runs.

Suitable for

  • Overlock and serger seams on garments and home textiles
  • Edge finishing and seam reinforcement on knit and woven fabrics
  • Coverstitch operations for hems and decorative topstitching
  • Production sewing and mending where long spool length is needed

Key specifications

  • Thread type: polyester overlock/serger thread
  • Spool length: 2500 meters
  • Color: dark blue
  • Recommended machines: overlock/serger and coverstitch machines
  • Performance: designed for consistent feed at high stitching speeds

How to use

Thread the loopers and needles of the overlock or coverstitch machine according to the machine manufacturer’s threading paths, using the spool on a compatible spool holder to ensure free rotation. Adjust tension and stitch length for fabric type—lower tension and longer stitch length for bulky knits, and slightly higher tension for fine woven fabrics. Test stitch on a fabric scrap in the same weight and stretch as the final piece to confirm stitch appearance and strength before sewing the main item.

Usage recommendations

Store the spool in a dry, dust-free place away from direct sunlight to preserve color and fiber integrity. Replace needles regularly and match needle type and size to fabric to reduce abrasion and thread breakage when using this polyester overlock thread.

Description

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Customer reviews

Customer questions

FAQ

How much does the Thread Brother Madeira Aerolock 8420 2500 m 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 — 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 02.07.2026 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: Cash payment, 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 Brother 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 Brother 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.