Square Head Screw & Bolt

Short Description

Brand:- Caparo or any general.

Some fasteners are built for speed, and this is one of them. Square head screws and square head bolts feature a four-sided head instead of the usual hexagon, which makes them easy to grip and turn with a wrench or pair of pliers, even in tight or awkward spots. The square shape also resists rounding off under heavy torque, something that can happen with smoother-headed fasteners over time. A square head cap screw typically has a fully threaded or partially threaded shaft depending on the application, and the flat sides of the head allow it to be held steady from underneath while the nut is tightened above. These fasteners have been used for generations in woodworking, agricultural equipment, and heavy machinery, largely because their simple design still gets the job done without fuss.

Material: Carbon Steel, Alloy Steel, Stainless Steel
Grades: Grade 2, Grade 5, Grade 8, and other grades on request
Thread Type: UNC, UNF, Metric, and BSW threads available
Size Range: 1/4 inch to 1 inch, with metric equivalents available
Head Type: Square head with flat or chamfered edges
Surface Finish: Zinc Plated, Hot Dip Galvanized, Black Oxide, Plain Finish
Standards: DIN, ASTM, ISO, IS, and custom specifications

Key Features

Square-shaped head for a firmer wrench or hand grip
Resistant to rounding off under high torque
Available in fully threaded and partially threaded shaft options
Suitable for use with a standard open-end or adjustable wrench
Offered in multiple thread pitches and sizes
Compatible with square neck carriage bolts for anti-rotation applications
Available in various steel grades for different load requirements
Coating options available for improved corrosion resistance

Applications of Square Head Screw & Bolt

Wood and timber framing projects
Agricultural machinery and farm equipment
Heavy industrial machinery assembly
Fencing and gate installations
Railway sleeper fastening
Structural steel connections
Furniture manufacturing
Automotive underbody components
Material handling equipment
General maintenance and repair applications

Advantages of Square Head Screw & Bolt

Easier to grip and turn than smaller-headed fasteners
Less likely to slip or round off under load
Works well with basic hand tools
Provides a strong, stable connection for heavy-duty joints
Offers good visibility for quick identification during assembly
Suitable for both indoor and outdoor applications with the right finish

Why Choose Genuine Enterprises?

Genuine Enterprises supplies a solid range of square head fasteners built to handle demanding industrial and agricultural work. Every batch goes through basic quality checks for thread accuracy, head dimensions, and finish consistency before it reaches our customers.

We've grown into a dependable square head screws supplier in India by focusing on what buyers actually need: correct sizing, timely delivery, and the flexibility to handle both small orders and bulk requirements. Our team can also help source less common sizes or grades when a project calls for something specific.

1.What is a square head screw used for?
A square head screw is used where a strong grip and resistance to slipping matter, such as in woodworking, farm equipment, and heavy machinery assembly.

2. Why does the head have four sides instead of six?
The square shape gives more surface area for a wrench to grip, which helps prevent the head from rounding off under high torque compared to some other head styles.

3. Can square head bolts be used with standard nuts?
Yes, square head bolts are generally compatible with standard hex nuts and flange nuts, as long as the thread type and size match.

4. What materials are square head screws made from?
They're commonly made from carbon steel, alloy steel, or stainless steel, chosen based on the strength and corrosion resistance the application requires.

5. Are square head screws still commonly used today?
Yes, they remain popular in agricultural, structural, and woodworking applications where their grip and torque resistance offer a genuine advantage over other fastener types.