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CSK BOLT

Price 5 INR/ Number

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CSK BOLT Specification

Thread Type
Metric, UNC, UNF

Shape
Round or Flat Head

Hardness
Up to 45 HRC

Surface Treatment
Zinc Plated, Black Oxide, Hot Dip Galvanized

Grade
8.8, 10.9, 12.9

Standard
IS 1365 / DIN 7991

Head Type
Countersunk (CSK)

Feature
High Strength, Precision Threading

Tensile Strength
800-1200 MPa

Corrosion Resistant
Yes (As per surface treatment)

Diameter
M4 to M24

Drive Type
Allen / Hex Socket

Thickness
1.5 mm to 12 mm

Capacity
Up to 200 mm length

Load Capacity
Up to 90 kN

Finish
Smooth, Matte or Polished

Torque
Up to 380 Nm

Fasteners Type
CSK Bolt

Material
Mild Steel, Stainless Steel, Alloy Steel

Tolerance
DIN ISO 2768-mK

Application
Machinery, Construction, Furniture, Automotive

Customization
Available as per drawing/specification

Thread Pitch
Fine/Coarse Available

Rust Resistance Level
High - as per application

Reusable
Yes

Color
Silver, Black, Golden (as per finish)

Packing Type
Box/Carton/Bag

Service Temperature
-20°C to +350°C

Minimum Order Quantity
100 Pieces

Size Range
M4 x 12 mm to M24 x 200 mm

ISO Certification
ISO 898-1

About CSK BOLT

Also known as a flat-head screw, a countersunk screw is a type of screw that's designed to rest flush with the object or surface in which it's inserted. They are called "countersunk screws because they "sink into objects and surfaces.

Unmatched Strength & Corrosion Resistance

Each CSK Bolt is manufactured to ISO 898-1 and IS 1365 / DIN 7991 standards, offering tensile strengths up to 1200 MPa and a hardness of up to 45 HRC. Engineered for demanding environments, specialized surface treatments provide excellent corrosion resistance, making them suitable for both indoor and outdoor installations across various industries.

Comprehensive Customization & Sizing Options

Choose from a wide spectrum of diameters (M4 to M24) and lengths (up to 200 mm). Customization is available to accommodate unique requirements, ensuring a perfect fit for your machinery or structural needs. Finishes in silver, black, or golden, with head shapes ranging from round to flat, complement both functionality and aesthetics.

Versatile Packaging & Efficient Delivery

CSK Bolts are supplied in sturdy boxes, cartons, or bags to match order sizes, minimizing damage during transit. With a minimum order quantity of 100 pieces and reliable trader support across India, efficient and secure shipment meets the needs of both small-scale and large-scale projects.

FAQ's of CSK BOLT:

Q: How are CSK Bolts typically used in different industries?

A: CSK Bolts are widely utilized in machinery, construction, furniture, and automotive sectors where a flush-mounted, strong, and corrosion-resistant fastener is required. Their smooth or matte finish and precise threading ensure reliability in load-bearing and aesthetic applications alike.

Q: What customization options are available for CSK Bolts?

A: Customization includes specific sizes, thread types (metric, UNC, UNF), diameters, lengths up to 200 mm, surface finishes (zinc plated, black oxide, hot dip galvanized), colors (silver, black, golden), and can be manufactured as per client-provided drawings or specifications.

Q: When should a specific grade (8.8, 10.9, or 12.9) be selected for CSK Bolts?

A: The grade should be chosen based on the required tensile strength and load. For standard industrial use, grade 8.8 suffices; for higher mechanical constraints in heavy machinery or load-intensive structures, grades 10.9 or 12.9 offer superior strength and durability.

Q: Where are these CSK Bolts manufactured and supplied from?

A: These bolts are manufactured and traded across India, ensuring broad availability and efficient supply regardless of project location. Packaging can be tailored to suit logistical needs, whether in boxes, cartons, or bags.

Q: What is the process for ordering customized CSK Bolts?

A: Begin by providing your bolt specifications or drawing to the supplier. The team will confirm feasibility, recommend suitable material and surface treatment, and process the minimum order of 100 pieces. Shipment follows robust quality checks and appropriate packaging for safe delivery.

Q: What benefits does the high rust resistance and temperature tolerance provide?

A: The advanced corrosion resistance and operation between -20C and +350C enable these bolts to perform reliably in harsh or variable environments, extending service life and reducing maintenance for critical applications.

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