Square nails
Square nails in a wide range of sizes, including special orders subject to technical and sales review.

Nail factory for construction, industry and resellers.
JGNSTEEL Avelã Unipessoal, Lda. continues the history of Avelã — Fábrica de Pregos, a Portuguese nail factory founded in 1942 by Armindo Leite. We supply square and round nails, spikes, bright polished nails, special sizes and galvanized solutions for construction, industry and resellers.

Today's JGNSTEEL Avelã Unipessoal, Lda. is the continuation of the former Armindo Leite, Herdeiros, Lda., a company founded in 1942 by Armindo Leite. Throughout its history, Avelã has built a strong connection to the nail-making, wire drawing and rolling industry, keeping an identity closely associated with the manufacture of nails and metal solutions for construction and industry.
Today the company operates under the JGNSTEEL Avelã / Avelã — Nail Factory identity, preserving the industrial heritage of the Pregos Avelã brand with a range aimed at professional clients, resellers, warehouses and construction sites.
Brand: JGNSTEEL Avelã
Legal name: JGNSTEEL Avelã Unipessoal, Lda.
VAT No. (NIF): 502 080 256
Share capital: €45,000
CAE 25931 — Manufacture of wire products
Square nails, round nails, galvanized nails, bright polished nails, resin-tapping nails, special nails and spikes.
A range organised for construction, industry, resellers and professional clients.
Square nails in a wide range of sizes, including special orders subject to technical and sales review.
References for building sites, carpentry, roofing and professional supply.
Square or round nails with a hot spun galvanized finish.
A differentiated product for applications where finish and presentation matter. Available subject to technical and sales review.
A specific solution for professional applications and traditional uses of the trade.
Production and supply in special sizes, subject to technical review and availability.
Spikes No. 5 to No. 8, with lengths from 125 mm to 200 mm in the standard table.
Product, packaging, stock and preparation for professional clients.




Commercial dimensions and approximate weight per 1,000 units. For datasheets, availability or special sizes, contact our sales team.
| Ref. | Ref. | Shank diameter (mm) | Nail length (mm) | Head diameter (mm) | kg/1000 |
|---|---|---|---|---|---|
| Prego Nº2 | F 2x15 | 1,83 | 25 | 4,6 | 0,64 |
| Prego Nº3 | F 3x15 | 1,83 | 30 | 4,6 | 0,77 |
| Prego Especial | F 4x15 | 1,83 | 40 | 4,6 | 0,95 |
| Prego Nº4 | F 4x14 | 2,11 | 40 | 5,3 | 1,37 |
| Prego Nº5 | F 5x13 | 2,25 | 45 | 5,9 | 1,99 |
| Prego Nº6 | F 6x13 | 2,41 | 50 | 5,9 | 2,26 |
| Prego Nº7 Setia 12 | S 12 | 2,77 | 60 | 6,2 | 3,37 |
| Prego 1/2 Galeota 11 | 1/2 G 11 | 3,05 | 65 | 6,9 | 4,43 |
| Prego Galeota 10 | G 10 | 3,40 | 75 | 7,7 | 6,46 |
| Prego 1/2 Telhar 9 | 1/2 T 9 | 3,76 | 90 | 7,6 | 9,24 |
| Prego Telhar 8 | T 8 | 4,19 | 100 | 8,4 | 12,61 |
| Cavilha Nº5 | Cavilha 5 | 5,16 | 125 | 10,3 | 23,56 |
| Cavilha Nº6 | Cavilha 6 | 5,59 | 150 | 11,2 | 33,14 |
| Cavilha Nº7 | Cavilha 7 | 6,04 | 175 | 12,1 | 43,90 |
| Cavilha Nº8 | Cavilha 8 | 6,58 | 200 | 13,2 | 58,97 |
Available in a range of commercial sizes, with special sizes on request.
Square or round nails with hot spun galvanizing, available on request.
Information organised for professional clients who need references, sizes, availability and a direct commercial response.
A brand with industrial roots and long experience in the nail-making sector.
Custom orders and specific requirements can be reviewed on request.
Galvanized solutions for professional applications.
We also manufacture bright polished nails, a differentiating solution that not every manufacturer offers.
We reply to requests for quotes, special sizes, bright polished nails, galvanized nails and professional solutions. We ship to international clients — contact us in English.