Hexagonal Head Screws / Bolts

Commonly known as Hex bolts; these are a type of threaded bolts, characterised by their six-sided
hexagonal-shaped head. Hex bolts can be either fully threaded or Half (partially) threaded with
a clear shank along part of the body.

Hexagonal Head Screws / Bolts

A bolt is a form of threaded fastener with an external male thread requiring a matching pre-formed female thread such as a nut.The head is juxtaposed with one or more specified washers. Bolts are often used to make a ‘bolted joint’. This is a combination of the nut applying an axial clamping force and also the shank of the bolt acting as a dowel, pinning the joint against sideways shear forces.

Bolts are externally threaded fasteners designed for insertion through holes in assembled parts. They’re usually meant to be tightened or released by torquing a nut (ASME B18.2.1). Delight Industrial’s provides high quality, flexible packaged Hex bolts.  

Threading
The screw thread is the helical structure that uses rotational force to drive the bolt and secure the fastener into the sheet surface. Stability and grip makes this the fastener of choice across industries. The bolt can be full thread or partially threaded based on the application. In applications where shear strength is more important than grip strength, the partially threaded bolt is the correct choice. These applications include the likes of HVAC (heating, ventilation & airconditioning), reactors, capacitors, transformers, control panels, water pumps, alternators  and motor mounts.

Finish / Passivation / Coating

Mild steel bolts are available in multiple finishes while being made with cold forged technique

Electroplating on Mild Steel – As per ISO 4042
Non Electrolytical zinc flaking as per ISO 10683
Limits for surface discontinuities as per ISO 6157
For Hot dipped galvanized bolts – as per ISO 10684

Tools to operate them – hex bolt wrench, spanners, hex keys and ratchet spanners are easily available making their usage wide. Its usage (tightening and removal) is known to everyone hence no training is required. They can be used in pre tapped holes as well as with nuts.  Industries rely on Delight for critical supply of brass, nylon and alloy steel fasteners

Reference Standards

StandardsDIN* 931 (half thread)DIN 933 (full thread)Equivalent : ISO 4014;ISO 4017; CSN 21101/021103PN 82101/82105UNI 5737/5739EU 24014/24017

*DIN –  (Deutsches Institut für Normung – German Institute for Standardization) 
ISO – International organization for standardization

View Details about our hexagonal head bolts

Physical, Mechanical and details on various other properties

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