cutting edges and end bits are to suit dozers, scrapers, graders, loaders and excavators

TIGERLEVEL have a complete range of blades, edges and end bits, shanks, teeth, ripper tynes, router bits and plow bolts and nuts to suit virtually every machine. Customer parts can be made to suit specialist requirements.We stock a complete range of thicknesses in standard and heavy duty.Our bits and edges are heat treated through hardened, quenched and tempered alloy steel.

A wide range of grader blades is available in two specifiions
High Carbon steelC80, and 30MnB  for

 Double bevelled curved

 Double bevelled flat
Flat Grader Blades
· Curved Grader Blades
· Serrated Grader Blades

A wide range of cutting edges  is available in two specifiions

16Mn, and 30MnB  for

 Double bevelled Flat

 Single bevelled flat 

End bits

Blades and cutting edges are the frontline, wear components attached to the leading edges of buckets, blades, and other digging or grading attachments on heavy machinery like excavators, loaders, and bulldozers. They are the primary points of contact with abrasive materials like soil, rock, and rubble, designed to penetrate, cut, and slice through the ground efficiently while protecting the much more expensive base attachment from rapid wear.

1. Key Functions and Importance

Penetration and Efficiency: A sharp, robust cutting edge concentrates force onto a narrow area, significantly reducing the energy required to dig into compacted or frozen material, thereby improving machine productivity and fuel efficiency.

Material Protection: They act as a sacrificial wear part. Instead of the bucket's main body wearing down, the relatively inexpensive and easily replaceable cutting edge absorbs the abrasion.

Load Retention: Properly maintained edges help create a clean cut, allowing the bucket to fill more completely and retain material better during lifting and transport.

Specialized Tasks: Different profiles (e.g., straight, spade-nose, serrated) are optimized for specific applications like grading, trenching, or rock digging.

2. Materials and Manufacturing

Cutting edges and blades are typically made from **high-strength, abrasion-resistant steel (AR steel)**. This steel is alloyed and heat-treated to achieve an optimal balance of:

Surface Hardness: To resist abrasive wear (measured on the Brinell or Rockwell scale).

Core Toughness: To withstand high-impact loads without cracking or breaking.

Manufacturing processes like quenching and temperingare critical to achieving these properties. Some advanced edges may also feature hardfacing—a layer of extremely hard weld material applied to critical wear zones for extended life.

3. Maintenance and Economics

Regular Inspection and Rotation: Straight cutting edges can often be rotated (flipped top to bottom) to utilize both wear surfaces before replacement. End bits and teeth should be checked for excessive wear or breakage.

Timely Replacement: Worn-out edges dramatically increase digging resistance, strain the machine's hydraulic system, accelerate wear on the base bucket, and lead to higher fuel consumption. Replacing them on schedule is a key cost-saving maintenance practice.