Hose Tails, Knock-On Nuts


Harlsan manufactures a range of RC Drilling Hose Tails and Knock-On Nuts that are used on RC Drilling rigs throughout Australia and the world. They are produced from premium hardened European 4140 alloy steel to guarantee extended life and high wear performance in RC drilling rig applications. The size range includes barbs from 2″ up to 4 1/2 ” in diameter. Metric and other sizes are available.

The Hose tails can be adapted to suit Knock-on Nuts in a range of threads including 2 ½”, 4″ & 4 ½” NPT, 4 ½” & 6″ ACME.

We can also manufacture a wide range of Hose tails and Knock-on Nuts to suit an extended range of non-standard reverse circulation drilling rigs so don’t hesitate to contact us for your requirements.


Ordering Information

From Africa through to Asia, Eastern Europe through to the UK, and Canada through to South America. We can supply you with robust and productive Hose Tails, Knock-On Nuts.

You can depend on us

For pricing, immediate supply or customised orders
Call (08) 9021 1288 (+61 8 9021 1288 international).

Get your engineering component and part supply requirements on time, on budget and on track with Harlsan manufacturing services. Call us now and request for a quote.

Your Key Contacts

Matt Bevan

Sales Manager for Harlsan component and part manufacturing

Harley Hollier

Technical Director for manufacturing and application engineering.

Avatar for Harley Hollier

About Harley Hollier

Harley Hollier has had extensive experience in the reverse circulation drilling industry as a director of Harlsan Industries. Harley’s current industry roles incorporate the engineering, research and development of innovative reverse circulation drilling equipment and supporting customers with drilling application and solution development. He can be contacted on Ph. +61 8 9021 1288 (GMT +8 Hours) or email: harlsan@harlsan.com.au
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