Choose Replacement Cutting Edges & End Bits From NBSJ


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


Cutting Edges & End Bits


With China’s largest range of blades, cutting edges and end bits, shanks, teeth, ripper tynes, router bits, plow bolts and nuts to suit excavators, loaders, bulldozers, scrapers, graders and other machines, you can source all your machinery parts in one location.

High-quality. Made to last

Drive productivity and profitability with cutting edges, end bits, blades and associated products that are made from heat treated, through-hardened, quenched and tempered alloy steel and have hardness ratings between 450-510 brinell to minimise abrasion and reduce replacement schedules.

Easily source edges, end bits and associated parts for: Caterpillar, Komatsu, Hitachi, Volvo, Liebherr, Samsung, Hyundai, John Deere, CASE, Doosan, JCB, ESCO, BLACK CAT, CTP, Mitsubishi, Sany, HEPCO, etc.


Part number identification service


Not sure of the part number you need to replace? At NBSJ Cutting Edges we offer a part identification service to easily determine the product you need.

Generally, if you know the dimensions, thickness, length, width and location and size of any holes, we will be able to identify your part.  Please contact us for your parts No.



Types of Choose Cutting Edges & End Bits


Bulldozer cutting edges and end bits


As a specialist manufacturer of bulldozer and tractor blades, you can source a complete range of thicknesses in both standard and heavy duty, including hot cupped end bits to provide maximum penetration and help protect your blade from damage.


Choose Replacement Cutting Edges & End Bits From NBSJ

Scraper cutting edges and router bits


Deal with a specialist manufacturer and supplier of a huge range of scraper edges and blades to suit all applications and models of machines including elevating scraper, auger and open bowl.

Constructed with high quality, through-hardened alloy steel to suit both standard or heavy-duty applications, you can choose from straight or drop centre configuration.

Loaders and excavator base edges and bolt-on cutting edges


NBSJ Cutting Edges stock and manufacture a complete range of excavator base edges and bolt-on cutting edges to suit all makes of loaders, excavators and backhoes.

Standard or custom design
Spade nose
Wraparound ends
Drilled for adaptors and segments
Heat treated for longer life
Weld-on corner guards
Bolt-on, weld-on adaptors
Specials made-to-order

Grader blades


NBSJ Cutting Edges supply a wide range of grader blades to suit a variety of machines. You can choose grader blades in two specifications: heat treated grader blades and black high carbon grader blades.

Please note that whenever you are replacing grader attachments, plow bolts should also be replaced.

Heat treated grader blades

Double bevelled curved: 6-inch and 8-inch
Double bevelled flat: 8-inch and 10-inch
Overlays and underlays
Scarifier shanks and teeth
Ripper tynes and teeth
Molboard liners

Black high carbon grader blades

Australian made high carbon – tough for demanding conditions
Over 32 million blades sold
High level performance
Strict quality control
Value for money

Standard or centre-line drilled

Flat grader blades
Curved grader blades
Serrated grader blades
Contact us for professional advice and a competitive quote on grader blades.


Plow bolts and nuts


Are you looking for high quality plow bolts designed for reliable service and a long lifespan?

All NBSJ Cutting Edges plow bolts are cold forged and undergo a carefully controlled heat treatment process to ensure a minimum tensile strength of 170,000 psi (14% greater than SAE Grade 8) and a core hardness of Rockwell C36-42.

Further strength is delivered in the fully formed square neck and a raised spherical formed head. Grade 9 plow bolts with a raised countersunk head are also available.

All UNC-2A threads have radiused root run-out and blend smoothly into the shank to give added fatigue protection.

Contact us for a quote on plow bolts.


Custom Designs and site audits


If you would like to modify a cutting edge or end bit from its standard production specifications or in the unlikely event that we do not stock your part, you can order a tailored solution from our Australian manufacturing facility.

You will work with our specialist R&D team, dedicated to delivering customised cutting edges and end bit product solutions. They will even attend your site to inspect existing systems and provide recommended solutions to drive improved product performance and lifespan.

Enquire now about a custom design or site audit.

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