HEX HEAD BOLT HALF THREAD

Short Description

Brand:- SAI or any general.

Not every bolted joint benefits from threads running the entire length of the shank, and that's the gap this fastener fills. A hex head bolt half thread has threading only on the lower portion, leaving a smooth, unthreaded section that sits within the joint itself. That plain shank offers better resistance to shear forces than a fully threaded bolt would, since the smooth surface bears the load more evenly across the joint rather than concentrating it along the thread crests. Genuine Enterprises manufactures this fastener under the SAI brand, and a half thread hex head bolt is often the preferred choice in structural and machinery assemblies where precise hole alignment and shear strength matter as much as clamping force.

Material: Carbon Steel, Alloy Steel
Grades: 8.8, 10.9, and other grades available on request
Thread Type: Metric coarse thread, partial length
Size Range: M6 to M64, with other sizes made to order
Shank Type: Plain unthreaded shank below the head, threaded lower section
Surface Finish: Zinc Plated, Hot Dip Galvanized, Black Oxide
Standards: DIN 931, ISO, IS, and applicable structural specifications

Key Features

Unthreaded shank section for improved shear resistance
Threading limited to the lower portion of the bolt
Hex head design for strong wrench or socket engagement
SAI branded manufacturing for consistent quality control
Available in multiple grades for different load requirements
Suitable for joints requiring precise shank-to-hole fit
Compatible with standard nuts and washers
Corrosion-resistant finishes available for outdoor use

Applications of Hex Head Bolt Half Thread

Structural steel connections
Bridge and infrastructure construction
Heavy machinery frame assembly
Automotive chassis and suspension components
Industrial equipment mounting
Material handling equipment
Power transmission tower assembly
Construction formwork and scaffolding
Agricultural machinery frames
General shear-load bearing applications

Advantages of Hex Head Bolt Half Thread

Offers better shear resistance than fully threaded bolts
Provides precise alignment through the unthreaded shank section
Distributes load more evenly across the joint
Reduces wear on mating surfaces within the joint
Suitable for both structural and mechanical assemblies
Performs reliably under repeated or dynamic loading

Why Choose Genuine Enterprises

Genuine Enterprises manufactures hex head bolts with half threading under the SAI brand, built for joints where shear performance matters as much as clamping strength. Every batch is checked for shank consistency and thread accuracy before it reaches our customers.

Structural fabricators and machinery manufacturers rely on us as a half thread hex head bolt supplier in India, since we maintain stock across common sizes and grades used in shear-critical assemblies. Our team can also help identify the correct shank length and grade for specific structural or mechanical applications.

1.What is a hex head bolt half thread used for?
It's used in joints where shear resistance and precise shank fit matter, commonly seen in structural steel work and heavy machinery assembly.

2. Why does this bolt have an unthreaded section?
The unthreaded shank provides a smooth surface that bears shear load more evenly than threads would, improving the bolt's performance in shear-critical joints.

3. Is this bolt available under a specific brand?
Yes, Genuine Enterprises manufactures this fastener under the SAI brand, known for consistent quality across structural fastener ranges.

4. How is a half thread hex head bolt different from a fully threaded bolt?
A fully threaded bolt has threading along its entire length, while a half thread version leaves part of the shank smooth, which improves shear resistance in certain joint designs.

5. What grades are commonly available for this bolt?
Common grades include 8.8 and 10.9, chosen based on the load and strength requirements of the specific structural or mechanical application.