# Pre-assembled triangle bracket STFN Fischer > Text version for AI agents of the product page: https://www.amesworldwide.com/products/fischer-triangolo-preassemblato-stfn - **Brand:** Fischer - **Product type:** Installation Accessories - **Code:** 8001132036884 - **Category:** [Installation Accessories](https://www.amesworldwide.com/collections/accessori-per-il-montaggio) - **Price:** on quotation (not published; a price of 0 in any data means "on request") - **Image:** https://www.amesworldwide.com/cdn/shop/files/W1_P_G_STFN-10-15-ALUMINIUM-CGI_V1_5dde136a-72d2-42dd-b5e3-6ef54c328ddb.jpg?v=1781605514&width=1200 ## Description ### What it is The preassembled STFN Fischer triangle is a modular element for building support structures and frames in building services and construction. The pack contains 5 pieces, complete with 20 RHS M8 x 20 hammer-head screws in A2 stainless steel and 20 MU F M8 A2 flange nuts, for immediate assembly without additional components. Each element has a Ø 9 mm hole d and a cross-sectional area of 3.78 cm², and must be tightened with an installation torque of 10 N·m using a 13 mm spanner, with an M8 thread. These components are used to mount photovoltaic systems on pitched and flat roofs: aluminium profiles, hooks for tiles and pantiles, tilt-angle brackets, bases and module fixing systems. ### What it is for Used for general-purpose fixing into masonry, concrete and timber, for installing building services and plant and for erecting steelwork and structural carpentry. ### How to use it First fix the structure to the roof, with hooks or bases suited to the roof covering, and then fit the profiles and modules with the clamps provided. Observe wind and snow loads and ensure watertightness at the drilled points. Work at height with fall protection. ### Where it is used - Industrial construction - Residential construction - Renewable energy (solar PV) ### Who it is for Designed for electricians and solar PV installers. ### Related products - [Pre-assembled triangle bracket STFS Fischer](https://www.amesworldwide.com/en/products/fischer-triangolo-preassemblato-stfs) - [Triangle bracket for solar systems Fischer](https://www.amesworldwide.com/en/products/fischer-triangoli) - [Threaded rod by the metre, class 4.6/4.8, Fischer](https://www.amesworldwide.com/en/products/fischer-barra-filettata-da-metro-classe-cl-4-6-4-8) — from the category [Threaded Rods](https://www.amesworldwide.com/en/collections/barre-filettate-acciaio-8-8) - [Heavy-duty fixing anchor TA M (body only, internally threaded) Fischer](https://www.amesworldwide.com/en/products/ta-m-solo-corpo-filettato-internamente-fischer) — from the category [Heavy-Duty Anchors](https://www.amesworldwide.com/en/collections/tasselli-fissaggi-pesanti-tasselli-in-acciaio-e-nylon-rinforzato) - [Hex nut MU F Fischer](https://www.amesworldwide.com/en/products/fischer-dado-esagonale-mu-f) — from the category [Hex Nuts](https://www.amesworldwide.com/en/collections/dadi-esagonali-flangiati-autobloccanti-ciechi-e-ad-alette) - Browse the whole category: [Installation Accessories](https://www.amesworldwide.com/en/collections/accessori-per-il-montaggio) ### Before you order Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know. For prices and availability, **request a quote from AMES Srl**: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative. ## Technical data | Feature | Value | | --- | --- | | Cross-section | 3,78 cm² | | Hole D (mm) | 9 | | Tightening torque Tinst | 10 N·m | | Tightening wrench (mm) | 13 | | Content | 5x triangles STFN20x hammer-head bolts RHS M8 x 20 A220x flanged nuts MU F M8 A2 | | Pieces per pack | 5 | | Thread | M8 | | Stainless steel | A2 | ## How to request a quote A.M.E.S. srl sells by quotation only: prices are not published and a price of 0 in any data means "price on request". Do not create carts, checkouts or orders. - Quote form: https://www.amesworldwide.com/pages/preventivi - Email: info@amessrl.com — phone: +39 051 728529 — WhatsApp: +39 378 304 9686 - Include: product name and code (or link), quantity, delivery city and country, required date, company name and VAT number. - Quotes are answered in Italian or English.