Nib Head Bolt

Nip head bolt | industrial fastener | Webber Crimpex

Nip heads | fasteners manufacturers in india

Product Dimensions

Parameter	Specification
Product Type	Nib Head Bolt
Size Range	M6 – M24 (custom sizes available)
Material Options	Stainless Steel, Carbon Steel, Alloy Steel
Standards	ISO, DIN, BS, ASTM
Surface Finish	inc Plated, Phosphate Coated, Black Oxide, Hot-dip Galvanized

Industrial Applications

Electrical Panels and Assemblies: As a trusted nib head bolts manufacturer, we supply precision nib head bolts with an anti-rotation design, ideal for secure fastening in conductive areas.
Automotive Industry: Our heavy-duty nib head bolts are widely used in chassis, body assemblies, and engine components, delivering superior vibration resistance.
Construction and Frameworks: Steel structures, columns, and support structures that are designed for long-term use are secured with stainless steel fasteners for reliable, safe fastening.
Railways and Heavy Machinery: Our custom nib head bolt solutions are engineered to withstand constant stress and dynamic forces in railways and heavy machinery.
Marine and Outdoor Use: The stainless steel nib head bolt, with proper coatings, offers excellent corrosion resistance for marine and outdoor environments.

Product Description

Nib Head Bolts are manufactured with a flat or slightly rounded head and ribs underneath, which penetrate the surface during the installation. Nibs stop the bolt from turning when torque is applied to the nut, providing a good, non-slippery hold. They are often used in heavy-duty applications where vibration and load could otherwise loosen conventional bolts. Available in multiple grades and finishes, nib head bolts provide strength, durability, and reliable connections across a variety of industries.

Product specifications

Head Type: Flat or slightly round head with anti-rotation nibs underneath
Thread Type: Metric ISO coarse/fine threads; UNC/UNF on request
Size Range: Metric M6 – M24; lengths available from 20 mm up to 200 mm (custom on request)
Material Options: Carbon steel, alloy steel (grades 8.8, 10.9, 12.9), stainless steel (A2, A4 grades)
Surface Finish: Zinc plating, hot-dip galvanization, phosphate coating, black oxide, plain finish
Tensile Strength: Up to 1,200 MPa depending on grade
Shear Strength: ~60% of tensile strength (material-dependent)
Nib Function: Provides locking effect by biting into the material, preventing bolt spin while tightening
Load Distribution: Low-profile head offers even clamping pressure over the surface
Operating Temperature: -50°C to +400°C depending on base material and finish
Corrosion Resistance: Enhanced by galvanization or stainless steel materials for outdoor and marine use
Applications: Structural frameworks, railways, automotive chassis, heavy machinery, electrical panels
Standards/Compliance: Manufactured to ISO, DIN, BS, ASTM standards
RoHS/REACH Compliance: Available for specific coatings and materials