Stainless steel hex head screw mm 4×40 – code: VTSE4X40

Stainless steel hex head screw mm 4×40 (VTSE4X40)

The hex head stainless steel screw mm 4×40, code VTSE4X40, is a fastening element designed for technical uses where reliability, assembly order, and ease of tightening are required. The hex head allows stable screwing action with common tools, making it suitable for both new installations and maintenance interventions.

Product identification

• Type: stainless steel screw
• Head: hexagonal
• Dimensions: mm 4×40
• Product code: VTSE4X40
• Supplier: F.LLI MOLINO SRL

Hexagonal head: practicality in installation

The hexagonal head is a common solution in the technical field because it facilitates tightening with wrenches or sockets, offering good control during screwing. This aspect is useful when working in tight spaces, on rigid supports, or in situations where maintaining a stable grip on the tool is important.

Stainless steel: common choice for technical environments

The’stainless steel is often preferred for applications where hardware suitable for environments exposed to humidity or demanding operating conditions is desired. In nautical and plant installations, stainless steel is a recurring choice to reduce the need for frequent replacements and to maintain an orderly and functional fastening over time.

Size mm 4×40

The size 4×40 makes this screw suitable for work and assemblies where the size is already defined by the project or existing components. During maintenance, having a clear size helps restore a fastening without unnecessary modifications or adaptations.

Typical applications

This stainless steel hex head screw can be used in many general fastening situations in the technical field. Below are some common use examples, to be evaluated based on the support material and the type of coupling required.

• Onboard systems: fastening brackets, supports, and small components in technical areas.
• Nautical hardware: assemblies and replacements on accessories and small parts where stainless steel screws are required.
• Routine maintenance: restoration of existing fastenings with matching size.
• General assemblies: applications in workshops or construction sites for components compatible with hex head screws.

For a correct choice, it is good practice to check compatibility with the hole, the possible presence of a nut or insert, and the pairing with washers or other tightening elements, if provided by the assembly.

Checks before installation

• Size check: check that the size mm 4×40 is the one required by the fastening point.
• Mechanical compatibility: evaluate the type of coupling (with nut, insert, threading in the support) based on the project or component.
• Accessibility: make sure there is enough space for the tool on the hex head.

Pairings and related components

Depending on the application, the screw can be used with washers and/or nuts compatible ones, or with supports prepared for fastening. The choice of accessories depends on the type of material to be clamped and the working conditions of the mounting point.

Good maintenance practices

In case of replacement, it is advisable to remove any residues or oxidation present on the fastening point and restore the correct flatness of the contact surfaces. A clean assembly helps maintain regular tightening over time and reduces the need for corrective interventions.

Note: for specific or critical applications, always verify the choice of screws based on the component manufacturer's indications and the actual installation conditions.

FAQ – Frequently Asked Questions

What is the size of this stainless steel screw?

The screw is size mm 4×40, as indicated in the name and in the product code VTSE4X40.

What type of head does the VTSE4X40 screw have?

It is a screw with a hexagonal head, designed for tightening with suitable tools (for example keys or sockets).

Is this screw suitable for nautical use?

It is a stainless steel screw, a commonly used choice in nautical and onboard plant engineering. Compatibility must still be evaluated based on the installation point and the materials involved.

What is the product code for reordering?

The product code is VTSE4X40. It is useful for quickly identifying the item during repurchase or replacement.

Who is the indicated supplier for this item?

The indicated supplier is F.LLI MOLINO SRL.