Name: CSK Hex Drive With Steps Machine Screw
Rating: 5 (99 reviews)

Specification: M6-1.0*75

Material: SUS304

Surface Treatment: Brightening

Single weight：14

Product Introduction

The CSK Hex Drive With Steps Machine Screw is a precision fastener designed for applications requiring flush surface finish with positive hex drive engagement. The countersunk head configuration allows the screw to sit level with or below the workpiece surface when used with a corresponding countersink, providing a smooth appearance and eliminating protrusions. The hex drive enables positive torque transmission with standard hex tools, providing reliable engagement for controlled installation. The steps feature beneath the head provides enhanced seating and alignment in countersunk holes. This machine screw features precision threads that mate with pre-tapped holes or nuts, providing consistent and reliable engagement. Manufactured from SUS304 stainless steel with brightening surface treatment, this screw provides general corrosion resistance with an aesthetic bright finish. The M6-1.0 thread specification with 75mm length offers extended engagement for structural connections and machinery assemblies.

Core Advantages

Countersunk Head Design

Flush mounting capability provides smooth surface finish and eliminates protrusions for applications requiring a level surface.

Hex Drive

Positive torque transmission with standard hex tools for reliable engagement and controlled installation.

Steps Feature

Enhanced seating and alignment in countersunk holes for improved installation accuracy.

Machine Thread Design

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

SUS304 Stainless Steel

Provides general corrosion resistance for indoor and mild outdoor applications with a bright finish.

Extended Length

75mm length provides extended engagement for structural connections and machinery assemblies.

Product Features

Countersunk head configuration Flush mounting provides smooth surface finish for applications requiring a level surface without protrusions when used with corresponding countersink.

Hex drive Positive torque transmission with standard hex tools for reliable engagement and controlled installation without cam-out issues.

Steps feature Underhead steps provide enhanced seating and alignment in countersunk holes for improved installation accuracy.

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

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

Brightening surface treatment Aesthetic bright finish with enhanced surface smoothness and improved corrosion resistance.

M6-1.0 thread specification Metric thread configuration provides consistent performance for structural connections and machinery assemblies.

75mm length Extended length provides engagement for structural connections and machinery assemblies.

Application Scenarios

General machinery assembly

Structural connections

Equipment enclosures

Automotive components

Industrial equipment

Architectural metalwork

Heavy-duty fabrications

Infrastructure projects

This CSK hex drive with steps machine screw is deployed in metal fastening applications requiring flush surface finish with positive hex drive engagement and extended length. Applications include general machinery assembly where smooth surfaces are essential, structural connections requiring secure fastening, equipment enclosures, automotive components, industrial equipment, architectural metalwork, heavy-duty fabrications, and infrastructure projects where the countersunk head provides flush mounting, the hex drive enables high torque transmission, and the steps feature provides enhanced seating in countersunk holes.

Common Questions and Solutions

What is the function of the steps feature under the head?

The steps feature provides enhanced seating and alignment when the screw is installed in countersunk holes. The stepped design helps center the screw in the countersink and provides consistent seating depth for improved installation accuracy.

What is the recommended hex key size for this screw?

Select a hex key that matches the hex drive size specified for the M6-1.0 thread. Using the correct hex size prevents rounding of the drive and ensures positive torque transmission. Refer to the product specification for the exact hex size.

What is the recommended countersink angle for this screw?

Countersunk screws typically use 82-degree or 90-degree angles. Select based on the mating countersink in the workpiece. Verify the head angle against the countersink tool specification to ensure proper seating and flush mounting with the steps feature.

What material thickness can the M6-1.0*75 screw accommodate?

The M6-1.0 specification with 75mm length provides extended engagement for structural connections and machinery assemblies. The actual maximum material thickness depends on thread engagement requirements. Consult the technical datasheet for specific thickness recommendations.

What is the brightening surface treatment?

Brightening is a surface treatment process that enhances the natural finish of the stainless steel material. It provides a bright, aesthetic appearance while improving surface smoothness and corrosion resistance through removal of surface contaminants and oxidation.

What is the recommended installation torque for this screw?

Installation torque for M6-1.0 machine screws varies based on material and application. Use torque-controlled drivers to prevent over-tightening. Consult the technical datasheet for recommended torque values based on substrate material and application requirements.

Installation Considerations

Select the correct hex key size that matches the screw head drive to prevent rounding and ensure positive torque transmission during installation.

Ensure pre-tapped holes are within specified thread tolerance to prevent thread damage and ensure proper engagement.

Ensure the countersink angle matches the screw head angle for proper seating. The steps feature provides enhanced alignment in the countersink.

Use torque-controlled installation tools to prevent over-driving. The countersunk head should seat flush with the workpiece surface without sinking below or damaging surrounding material.

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

The brightening treatment provides aesthetic and corrosion protection. Handle screws with clean gloves to maintain surface appearance and prevent contamination.