Inlet & Bearing Swivels for RC Drilling

Top Inlet, Bottom Inlet or Bearing Swivels for new or existing RC drilling rigs. Harlsan Swivels will improve performance and reduce your downtime.

Tough Inlet & Bearing Swivels

Harlsan RC Drilling Inlet & Bearing Swivels are made to the high standard demanded by the reverse circulation drilling industry. We have years of experience in precision manufacturing that ensures the quality of every Harlsan RC Swivel is built up to this uncompromising standard.

If you need a Top Inlet, Bottom Inlet or Bearing Swivel for a new or existing rig Harlsan Swivels will improve performance and reduce your downtime. Feedback from our customers is that Harlsan Swivels consistently drill longer between reseals. We have adapter flanges & plates to suit your rig.

Australia’s Toughest RC Swivels


If you are drilling deep RC holes the Harlsan 4’’ & 4 ½’’ Bottom Inlet Swivels are designed and engineered to handle the high air pressure required for these drilling operations.

Inlet Swivels Product Brochure

Download the Harlsan Swivels product brochure for a complete overview of the features and benefits that our equipment will bring to your drill rig.

Harlsan Swivels Brochure.pdf (244kb)


“The Harlsan Bottom Inlet Swivel handles higher pressure and the ease of field servicing has dramatically reduced our down time. With the sealing system we are consistently drilling longer between resealing.”

Jaimie Seed – Challenge Drilling

Swivels Specifications

Top Inlet Swivel Specifications

Made to suit 48mm & 54mm diameter Head wear tubes.

Bottom Inlet Specifications

Available in:

  1. Metzke
  2. Remet
  3. RRE
  4. & other threads from 3 ½’’ to 5’’ diameter

Bearing Swivel Packages

Combine a Harlsan Bearing Swivel with Blow Down & Wear Bend for a complete above the head package.

Harlsan Rebuilds

When the time comes maximise your Swivel performance with an expert in-house rebuild.

Adapting To Your RC Rig

We have the experience plus a full range of adapter flanges & plates to suit your rig.

Field Servicing

Harlsan stocks a complete range of bearings, shafts, O-ring & seal kits for field servicing

Australian Made Toughness

We build some of the toughest and most reliable RC drilling equipment out there.

Swivels 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 efficient reverse circulation swivels.

For pricing, immediate supply or customised orders call us on +61 8 9021 1288.

Get your engineered drilling components and consumable items on time, on budget and on track with Harlsan’s manufacturing services. Call us now or request a quote.