Material: SUS410, SUS304, SUS316 stainless steel

Specification: M3, M4, M5, M6, M8, 6#, 7#, 8#, 10#, 12#,14#, 1/4”

Surface Treatment: Passivation, Galvanizing, Nickel Plating, Blackening, Head Spraying, Dacromet, Hot Rustoleum, Laspex, Drop Resistant

Product Introduction

Other Head Types Machine Screws encompass a range of precision fasteners designed for general-purpose metal fastening applications requiring specialized head geometries. Available in a variety of head configurations including truss, oval, flat, hex, and other custom profiles, these screws provide application-specific solutions for diverse installation requirements. These screws feature machine threads that mate with pre-tapped holes or nuts, providing consistent and reliable engagement. Manufactured from stainless steel (SUS410, SUS304, SUS316) material options, the screws offer corrosion resistance and strength for various environments. Multiple surface treatments including passivation, galvanizing, nickel plating, blackening, and Dacromet finishes provide environmental adaptability. Metric sizes from M3 to M8 and imperial sizes from 6# to 1/4" accommodate diverse application requirements across industrial, commercial, and architectural applications.

Core Advantages

Multiple Head Configurations

Truss, oval, flat, hex, and other custom head profiles provide application-specific solutions for diverse installation requirements.

Machine Thread Design

Precision threads mate with pre-tapped holes or nuts for consistent and reliable engagement in machinery assemblies.

Multiple Material Options

Available in SUS410, SUS304, and SUS316 stainless steel to meet diverse application requirements.

Wide Specification Range

Metric sizes from M3 to M8 and imperial sizes from 6# to 1/4" for comprehensive application coverage.

Extensive Surface Treatments

Passivation, galvanizing, nickel plating, blackening, Dacromet, and hot rustoleum finishes for environmental adaptability.

Standard Compliance

Manufactured to DIN and ISO specifications with ANSI/ASME options for quality assurance.

Product Features

Multiple head configurations Truss head provides larger bearing surface; oval head offers low-profile appearance; flat head enables flush mounting; hex head provides high torque capability; custom profiles available for specific applications.

Machine thread design Precision threads mate with pre-tapped holes or nuts, providing consistent and reliable engagement for general-purpose fastening.

SUS410 stainless steel Provides hardness for applications requiring strength with moderate corrosion resistance.

SUS304 stainless steel Provides general corrosion resistance suitable for indoor and mild outdoor applications with a bright finish.

SUS316 stainless steel Provides marine-grade corrosion protection for harsh environments and chemical exposure applications.

Metric specification range Available in M3, M4, M5, M6, and M8 diameters for diverse machine fastening requirements.

Imperial specification range Available in 6#, 7#, 8#, 10#, 12#, 14#, and 1/4" sizes for North American standard applications.

Surface treatment options Passivation and galvanizing provide corrosion protection; nickel plating offers enhanced appearance; blackening delivers aesthetic matte finish; Dacromet provides high salt spray resistance.

Application Scenarios

General machinery assembly

Equipment enclosures

Electronics chassis

Furniture construction

Automotive components

Architectural metalwork

Instrumentation panels

Industrial equipment

This range of machine screws with alternative head types is deployed in general-purpose metal fastening applications requiring specialized head geometries with reliable thread engagement. Truss head screws provide larger bearing surfaces for soft materials; oval head screws offer low-profile aesthetics for visible applications; flat head screws enable flush mounting with countersunk holes; hex head screws provide high torque capability for heavy-duty applications. Applications include general machinery assembly, equipment enclosures, furniture construction, automotive components, architectural metalwork, instrumentation panels, and industrial equipment where specific head profiles are required.

Common Questions and Solutions

How do I select the correct head type for my application?

Consider clearance requirements, appearance, bearing surface needs, tool access, and torque requirements. Truss heads provide larger bearing surfaces, oval heads offer low profiles, flat heads enable flush mounting, hex heads provide high torque capability, and other custom profiles address specific application requirements.

What is the difference between machine screws and self-tapping screws?

Machine screws feature standard machine threads that require pre-tapped holes or nuts for engagement. Self-tapping screws cut their own mating threads in pre-drilled holes. Machine screws provide consistent thread engagement in precision applications where tapping is already performed.

What are the applications for truss head machine screws?

Truss head screws provide a larger bearing surface than standard pan or flat heads, making them suitable for fastening softer materials such as thin sheet metal, plastics, or materials that benefit from distributed clamping force to prevent deformation.

What are the applications for hex head machine screws?

Hex head machine screws enable high torque transmission with standard hex socket tools. They are used in applications requiring secure fastening in machinery assembly, automotive components, and industrial equipment where high torque capability is required.

What surface treatment provides the best corrosion protection?

Dacromet coating provides the highest salt spray resistance. For stainless steel fasteners, passivation enhances the natural oxide layer for improved corrosion resistance. Hot rustoleum offers protection for outdoor applications.

What is the recommended installation torque for these screws?

Installation torque varies by thread size, material, and application. Use torque-controlled drivers to prevent over-tightening. Consult the technical datasheet for recommended torque values based on screw specification and substrate material.

Installation Considerations

Ensure pre-tapped holes are within specified thread tolerance to prevent thread damage and ensure proper engagement for the selected head type.

Select the appropriate drive tool for the selected head configuration. Different head types require specific driver bits for proper engagement.

For flat head screws, ensure the countersink angle matches the screw head angle (typically 82-degree or 90-degree) for proper seating and flush mounting.

Use torque-controlled installation tools to prevent over-driving. The head should seat against the workpiece surface without damaging the head or surrounding material.

When using nuts, apply appropriate torque values and consider using lock washers or thread-locking compounds for vibration resistance.

Select the appropriate thread size and length based on the thickness of materials being fastened and thread engagement requirements.