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Welcome to Super Abrasive Diamond Tools


About Us

Super Abrasive Diamond Tools (SADT) specialise in quality diamond tools for the construction, exploration and roading industries.

SADT is a family business, proudly New Zealand owned and operated. With over 35 years experience providing quality tools to the NZ and South Pacific markets.

We are the NZ agents for Boart Longyear exploration tools, Diamond Products Cape construction equipment and Element Six road milling products; we also provide equipment and parts for MK Diamond, RGC, DR Bender and US Saws. 

We are able to manufacture special length and diameter core bits urgently on request, and also have a re-tipping and repairs service.

Additionally we stock a range of home and workshop essentials such as Teng Tools, KT Cable Ties, Simple Green, Tactix and Chemz for your convenience.

We are committed to providing a high quality service at competitive prices, no matter what size the job.  Call us today, you won’t be disappointed!



Super Abrasive Diamond Tools specialise in high quality diamond tools for the construction, drilling & explorational industries.

We also provide parts & equipment by Multiquip, MK Diamond, RGC & US Saws. Handsaws, Floorsaws, Brick & Tile Saws, core drill motors and drill stands, whatever the application, call us now, we have the tools for the job.

We also re-tip and repair diamond bits and blades, and can manufacture special length core bits on request.

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Concrete Cutting & Drilling

Diamond Blades

Coring & Drilling

Grinding & Polishing

Wire & Wall Sawing

SADT supplies top quality professional and DIY construction cutting equipment; parts and accessories for hand-drills and handsaws. We also have an urgent retipping service and have a huge range of different length core bits for any job.

Exploration & Geotechnical

Drill Riggs

Rods & Casing

Core Boxes

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Roading & Tunnelling Tools

Road Planning Picks


Drill Bits

Our softrock tools and mining equipment comprise of tooling systems for virtually all minerals, asphalt and concrete. In addition to being used in the mining, tunneling and construction industry, they are also used for the wear protection of cutting heads. Boring and tunneling equipment and crushing equipment by Boart Longyear is made to last and important in the drilling industry.

Repairs & Service

Re-tipping worn or damaged segments on a diamond bit is possible and very easy. We can send you the replacement segments to braze yourself or send us the diamond core bit and we'll do it for you.

We also repair damaged saw blades, and can manufacture special length core bits on request.


Home & Workshop

Call us for all of your workshop needs. We can supply work benches, tool boxes, hand tools, measuring equipment and more. With over 3000 products in the teng tool range we cater for craftsmen within industry, workshops, construction sectors.


Contact Us

Unit 4, 80 Adams Drive

0800 885961

021 935 791

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