Product Overview

Ordinary elevator bolts are widely used in bucket elevator systems to fasten buckets securely onto conveyor belts. Their large, flat head helps distribute load evenly across the belt surface, reducing wear and extending service life.

This type of bolt is commonly used with plastic elevator buckets, where load conditions are moderate and extreme anti-rotation performance is not required.

Compared with fanged elevator bolts, ordinary bolts offer a more economical solution, making them ideal for cost-sensitive projects and standard conveying applications.

For heavy-duty systems, ordinary bolts may loosen over time — fanged bolts are recommended.

Technical Advantages

Ordinary elevator bolts are manufactured with 6g thread precision, ensuring accurate fit and reliable assembly. The mechanical strength is above grade 4.8, meeting the requirements of standard conveying applications. Surface treatment options include oxidation or galvanization for basic corrosion protection.

These bolts are mainly used for low-speed conveying of low-density materials, typically in combination with plastic elevator buckets. As a cost-effective solution, they are suitable for standard operating conditions with moderate load and minimal vibration.

For applications requiring higher strength, improved anti-rotation performance, or greater stability, fanged elevator bolt sets are recommended.

Applications

  • Grain elevators
  • Feed processing systems
  • Agricultural conveying equipment
  • General bulk material handling
  • Standard industrial conveyor systems

When Ordinary Elevator Bolts Are Suitable

Ordinary elevator bolts are recommended for:

  • Plastic elevator bucket systems
  • Light to medium load conveying
  • Low-speed operations
  • Applications with limited vibration
  • Cost-sensitive projects

Technical Drawing with Picture

bucket elevator bolt elevator bucket drawing

Ordinary Elevator Bolt Specification Table

Model d Diameter(mm)
D		 Length(mm)
L		 Package
(pcs per carton )
M6 X 16 M6 18 16 2000
M6 X 22 M6 18 22 2000
M6 X 30 M6 18 30 2000
M8 X 25 M8 22 25 1000
M8 X 30 M8 22 30 1000
M8 X 38 M8 22 38 1000
M10 X 35 M10 26 35 600
M10 X 40 M10 26 40 600

Elevator Bolt Accessories

hexagon nut
Hexagon Nut
nyloc nut
Nyloc nut

 

 

square nut
Square Nut
  • Strength: Level 5
  • Thread precision: 6H
  • Surface treatment: Passivation of Zinc Plating

spring washer

  • Material: 65Mn
  • Surface treatment: Oxidation treatment

large flat washer

  • Hardness: 100HV
  • Surface treatment: Galvanized

domed washer

  • Hardness: 100HV
  • Surface treatment: Galvanized

Elevator Bolt Set Options:

  • Option F: Square nut
  • Option Y: Domed washer + Spring washer + Hexagon Nut
  • Option S: Larger flat washer + Spring washer + Nyloc nut
  • Option P: Larger flat washer + Spring washer + Hexagon nut
  • Option WS: Domed washer + Spring washer + Nyloc nut

Ordinary vs Fanged Elevator Bolts (Performance Comparison)

Feature Ordinary Elevator Bolt Fanged Elevator Bolt
Head Structure Smooth underside With sharp fangs under the head
Anti-Rotation Limited Excellent
Installation Requires holding bolt head Easy, self-locking
Fixing Stability Moderate Strong locking effect
Vibration Resistance Suitable for light-duty use Suitable for heavy-duty use
Maintenance May require re-tightening Low maintenance
Application Plastic buckets, standard systems High-load, high-vibration systems
Cost More economical Slightly higher

Matching Components

We can supply a complete solution including:

  • Elevator buckets
  • Washers
  • Nuts
  • Conveyor components

Ensures compatibility and simplifies sourcing.

FAQ – Elevator Bolt

What is an elevator bolt?

An elevator bolt is a specialized fastening bolt used to attach elevator buckets to elevator belts in bucket elevator systems. It is designed with a flat or low-profile head to reduce belt wear and provide secure fastening.

What are elevator bolts used for?

Elevator bolts are commonly used in bucket elevators for grain handling, feed processing, fertilizer transport, mining, and bulk material conveying systems where buckets must be securely mounted to conveyor belts.

What are the main features of elevator bolts?

Elevator bolts typically feature a wide, flat head design that sits flush against the belt surface, reducing material buildup and minimizing wear during operation.

What materials are available for elevator bolts?

Elevator bolts are commonly manufactured in carbon steel, zinc-plated steel, stainless steel, and other corrosion-resistant materials depending on operating conditions.

Why are elevator bolts different from standard bolts?

Elevator bolts are specifically designed for conveyor and bucket elevator applications. Their flat head profile helps prevent snagging, protects the belt surface, and provides a more secure bucket attachment compared with standard bolts.

How do I choose the correct elevator bolt size?

The correct elevator bolt size depends on belt thickness, bucket thickness, mounting hole diameter, and required clamping strength. Proper sizing ensures secure installation and long-term performance.

Are elevator bolts suitable for heavy-duty applications?

Yes, elevator bolts are widely used in industrial bucket elevator systems and can handle demanding conveying environments when the appropriate material and strength grade are selected.

Looking for Higher Stability and Anti-Rotation Performance?

Fanged elevator bolts are also available for demanding applications.

Contact us for selection support.