sales@brass-parts-india.com
Plot 10, GIDC Industrial Estate, Udyog Nagar, Jamnagar. India.

Price: US$ 14.80/kg

Professional Countersunk Fastening Solutions and Flush Mounting Systems

Brass CSK Head Screws

Brass Parts India manufactures and exports brass countersunk (CSK) head screws for electrical fittings, equipment and mechanical assemblies. The countersunk head seats into a matching recess for a flush finish.

Our listed range covers thread sizes from 1mm to 12mm and lengths up to 100mm, including 3.5mm nickel-plated brass screws for switches and sockets. Specify your thread diameter and pitch, overall length, drive type, head dimensions, finish and required standard when enquiring.

Send your drawing or sample specification, order quantity and delivery country for a quotation. We will review the required dimensions and finish for your part.

Request a Quote for Brass CSK Head Screws

Key Specifications

Standards:

DIN 965, BS 1083

Thread Size:

1mm to 12mm

Length Range:

Up to 100mm

International Standards Compliance

DIN 965

German Standard

Manufactured to DIN 965 specifications for countersunk head screws, ensuring standardized dimensions and flush mounting capabilities for international compatibility.

Standardized countersunk dimensions
Flush mounting capability
International compatibility
Quality assurance standards

BS 1083

British Standard

Compliant with BS 1083 British standard for countersunk screws, providing reliable performance and standardized specifications for UK and Commonwealth applications.

British standard compliance
UK market compatibility
Commonwealth standards
Reliable performance specifications

Specialty Product: 3.5mm Nickel Plated for Switches & Sockets

Electrical Industry Specialization

We specialize in manufacturing 3.5mm nickel plated brass CSK head screws specifically designed for electrical switches and sockets. These specialized fasteners meet the exacting requirements of the electrical industry for corrosion resistance, conductivity, and professional appearance.

Nickel Plating Benefits

Enhanced corrosion resistance and improved electrical conductivity for electrical applications requiring long-term reliability.

3.5mm Precision

Precisely manufactured to 3.5mm specifications for perfect fit in standard electrical switch and socket mounting applications.

Electrical Industry Standards

Manufactured to meet electrical industry requirements for safety, reliability, and performance in switch and socket applications.

Size Specifications

Thread Sizes Available

1mm 1.2mm 1.4mm 1.6mm 2mm 2.5mm 3mm 3.5mm 4mm 5mm 6mm 8mm 10mm 12mm

Comprehensive thread size range from 1mm to 12mm, with special emphasis on 3.5mm for electrical applications. Covers precision instruments to general mechanical applications.

Length Options

Minimum: Standard lengths from 3mm

Maximum: Up to 100mm length

Electrical: Standard electrical lengths available

Extensive length range up to 100mm with standard electrical industry lengths for switch and socket applications.

CSK Head Design Features

Flush Mounting Design

Countersunk Profile

Countersunk head design allows for flush mounting, creating a smooth surface finish ideal for applications where protruding fasteners are undesirable.

Flush surface finish
Professional appearance
No protrusion above surface

Tapered Head Profile

Precise Angle

Precisely machined tapered head profile ensures proper seating in countersunk holes, providing secure fastening and optimal load distribution.

Precise taper angle
Secure seating
Optimal load distribution

Complete CSK Head Screw Solutions

Standard CSK Head Screws

Standard countersunk head screws manufactured to DIN 965 and BS 1083 specifications, providing flush mounting capability for general assembly applications.

Raised CSK Head Screws

Raised countersunk head screws featuring slightly elevated head profile, combining flush mounting benefits with enhanced bearing surface area.

Electrical CSK Screws

Specialized 3.5mm nickel plated CSK screws designed specifically for electrical switches and sockets, meeting electrical industry requirements.

Machine CSK Screws

Precision countersunk machine screws for mechanical assemblies and equipment mounting requiring flush fastening solutions.

Drive Options

Slotted Drive

Traditional single slot drive for manual installation using standard slotted screwdrivers, ideal for electrical applications and general fastening.

Phillips Drive

Cross-head Phillips drive offering improved torque transfer and reduced cam-out, suitable for power tool installation and assembly operations.

Hex Socket Drive

Internal hex socket drive providing high torque capability and precise tool engagement for applications requiring superior fastening performance.

Typical Applications

Electrical Applications

Essential for electrical switches, sockets, control panels, and electrical enclosures where flush mounting and corrosion resistance are critical.

Electrical switches and sockets
Control panels
Electrical enclosures

Aesthetic Fastening

Ideal for applications where professional appearance and flush mounting are important, including furniture, decorative panels, and visible assemblies.

Furniture assembly
Decorative panels
Visible assemblies

Technical Specifications

Material Properties

Excellent corrosion resistance
Superior electrical conductivity
Non-magnetic properties
Professional appearance

Manufacturing Quality

Precision head machining
Dimensional accuracy
International standard compliance
Nickel plating expertise

Electrical and Aesthetic Fastening Applications

Our comprehensive range of brass CSK head screws serves critical applications across electrical installations, switches and sockets, control panels, decorative assemblies, furniture manufacturing, precision instruments, and aesthetic fastening requirements. These components are essential for reliable mechanical connections where flush mounting, professional appearance, and long-term corrosion resistance are required in demanding electrical and aesthetic environments, with specialized expertise in 3.5mm nickel plated screws for the electrical industry.

Key Benefits

DIN 965 and BS 1083 standard compliance
Comprehensive size range (1mm to 12mm thread, up to 100mm length)
Flush mounting design for professional appearance
Specialized 3.5mm nickel plated for electrical applications
Multiple drive options for installation flexibility
Brass construction with optional nickel plating

Technical FAQ – Brass CSK Head Screws

Which material should be specified?

Specify the brass alloy and condition on the drawing. Free-machining and forging brasses are different choices; steel or stainless steel parts are separate material options, not brass grades. Confirm corrosion and strength requirements for the application.

How do I confirm connection compatibility?

Specify thread diameter, pitch, tolerance class and engagement length, together with the head or nut form. Metric and imperial threads are different systems. Use the applicable dimensional standard or an agreed drawing; a list of standards does not establish compliance for every variant.

What dimensions are needed for selection?

Provide a dimensioned drawing, mating-thread details, length or thickness, head dimensions, finish and quantity. Agree critical tolerances and inspection requirements before production.

What determines suitability and operating limits?

Brass fasteners serve mechanical, electrical and decorative assemblies where the selected grade is suitable. Permitted load and tightening torque depend on alloy, geometry, thread engagement and lubrication. Do not apply steel fastener property classes or torque tables to brass without an engineering assessment.

What finish and inspection documentation should I request?

State the required surface finish, coating thickness where relevant, and critical dimensions on the order. Material certificates, dimensional reports and any specified performance tests should be agreed in the quotation. A reference to a standard is not a declaration of third-party certification.

Can I request a custom part or export quotation?

Send a drawing or clearly dimensioned sample specification, material, quantity and delivery destination. Identify application conditions and required approvals. Brass Parts India can review the requirement and confirm feasibility, price, documentation and lead time for the quoted part.