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Product questions for Wood construction screw Koelner TS-4020 4x20 mm countersunk head Torx drive
Short product description:
Koelner TS-4020 is a 4x20 mm wood construction screw with a countersunk (conical) head and Torx (TX) drive. Designed for joining timber and wood-based materials, it provides secure fastening with reduced splitting due to its dimensions and head type. Suitable for furniture assembly, carpentry, framing and general woodworking tasks where a flush finish is required.
Manufacturer:
Koelner
Category:
Miscellaneous repair tools
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FAQ
What payment options are available?
AiO.lv offers several payment methods: Bank transfer. 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 Koelner 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 Koelner 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.
