Bull Nose
Subs
SlimDril International supply market-leading spiral bull nose subs designed for push reaming and sea outfall applications. Typically run at 1” smaller than the pilot bit, SlimDril bull nose subs deliver excellent stability, cutting agitation, and durability in demanding drilling environments.
Manufactured from a single-piece billet of AISI 4145 steel, these bull nose subs offer exceptional strength, wear resistance, and long service life.
Features & Benefits
High-Strength One-Piece Construction
Machined from a single billet of AISI 4145 steel, minimising the risk of failure and maximising durability.
Optimised for Push Reaming & Sea Outfalls
Designed specifically for push reaming operations, providing stability and effective material agitation in challenging ground conditions.
Spiral Side Leg Design with Insert Options
Spiral side legs fitted with either TCI or PDC inserts improve cutting efficiency and durability across a range of formations.
Enhanced Cuttings Agitation
Configured with rear-facing nozzles and an offset centre nozzle to improve fluid flow and agitation of cuttings.
Custom Configurations Available
Optional front cutters, 4, 5, or 6 blade options, multiple thread types, and various overall lengths available to suit specific project requirements.
Downloadables
Contact Us.
Do you have a question? We will be happy to help.
Find Us.
UK
Units 6 & 7 Leyland Court Lowestoft Suffolk NR32 2EP UK
Europe
Weena 290 – 3012NJ – Rotterdam – The Netherlands
Phone
+44 (0) 1493 656145
enquiries@slimdril.com
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