Drill Rod & Piling Casing UK, manufacture the Standard Drill Rods Series at our large capacity state of the art CNC production facility, using either EN19T or 4145 H-Mod high tensile steel. The EN19T tool joints are nitride hardened to provide superior wear resistance and longer service life. From quarrying to oil & gas or water works to site investigation, our Standard Drill Rod Series will not let your project down.
Drill Rod

About our Standard Drill Rods Series

Our range of Standard Drill Rod Series also offer following flexibility:

  • Stock is available today in various sizes & lengths (up to 140mm diameter size and 6000mm in length), ready for shipping. Full specifications and sizing details are shown in the table below.
  • Compatible with other manufacturers drilling equipment giving you flexibility of choice.
  • Our drill rod body tubes are supplied as S355J2H (ST52) or API Drill Rod grade steel, dependent on drill rod diameter.
  • All threads are checked & inspected prior to dispatch with as part of our rigorous quality assurance programme
  • Our Standard Drill Rods can also be supplied friction welded, shrink welded or fine thread connected – all to suit your needs.
  • Thread protectors can be supplied in both plastic and steel upon request.
  • Other sizes & threads are available through our custom design & manufacturing service where we can supply drill rods to your unique specifications.
  • Quick order turnaround and dispatch.
  • Worldwide shipping available

Need a quote for Drill Rods? Call our engineering team today on 01484 640898 or complete our simple contact us form and we will call you back.

Outside Diameter Metric (mm) Bore Metric (mm) Thread Wall Thickness (mm) Popular Applications
76.2 25.4 API reg 4 DTH
76.2 25.4 API reg 6.35 DTH Rotary
76.2 25.4 API reg 8 Rotary
76.2 25.4 API reg 9.5 Rotary
88.9 25.4 API reg 4.5 DTH
88.9 25.4 API reg 6.35 DTH Rotary
88.9 25.4 API reg 8 Rotary
88.9 25.4 API reg 9.5 Rotary
88.9 31.8 API reg 6.35 DTH Rotary (HWY)
88.9 44.5 IF 6.35 DTH Rotary (HWY)
88.9 44.5 IF 8 Rotary (HWY)
88.9 44.5 IF 9.5 Rotary (HWY)
101.6 25.4 API reg 6.35 DTH Rotary
101.6 44.5 IF 8 Rotary (HWY)
101.6 44.5 IF 9.5 Rotary (HWY)
114.3 38.1 API reg 4.5 DTH
114.3 38.1 API reg 6.35 DTH
114.3 38.1 API reg 8 DTH Rotary
114.3 38.1 API reg 9.5 Rotary
114.3 44.5 IF 6.35 DTH
114.3 44.5 IF 9.5 Rotary
127 68.3 IF 6.35 DTH
127 68.3 IF 8 DTH Rotary
127 68.3 IF 9.5 Rotary
139.7 57.2 API reg 8 DTH Rotary
139.7 57.2 API reg 9.5 Rotary
139.7 57.2 API reg 12.5 Rotary
193.7 82.6 API reg 12.5 DTH Rotary
203.2 82.6 API reg 9.5 DTH Rotary
254 101.6 API reg 16 DTH Rotary
Outside Diameter Imperial (inch Bore Imperial (inch) Thread Imperial (inch) Thread Popular Applications
3″ 1″ 2 3/8″ API reg DTH
3″ 1″ 2 3/8″ API reg DTH Rotary
3″ 1″ 2 3/8″ API reg Rotary
3″ 1″ 2 3/8″ API reg Rotary
3  1/2″ 1″ 2 3/8″ API reg DTH
3 1/2″ 1″ 2 3/8″ API reg DTH Rotary
3 1/2″ 1″ 2 3/8″ API reg Rotary
3 1/2″ 1″ 2 3/8″ API reg Rotary
3 1/2″ 1 1/4″ 2 3/8″ API reg DTH Rotary (HWY)
3 1/2″ 1 3/4″ 2 3/8″ IF DTH Rotary (HWY)
3 1/2″ 1 3/4″ 2 3/8″ IF Rotary (HWY)
3 1/2″ 1 3/4″ 2 3/8″ IF Rotary (HWY)
4″ 1″ 2 3/8″ API reg DTH Rotary
4″ 1 3/4″ 2 3/8″ IF Rotary (HWY)
4″ 1 3/4″ 2 3/8″ IF Rotary (HWY)
4 1/2″ 1 1/2″ 3 1/2″ API reg DTH
4 1/2″ 1 1/2″ 3 1/2″ API reg DTH
4 1/2″ 1 1/2″ 3 1/2″ API reg DTH Rotary
4 1/2″ 1 1/2″ 3 1/2″ API reg Rotary
4 1/2″ 1 3/4″ 2 7/8″ IF DTH
4 1/2″ 1 3/4″ 2 7/8″ IF Rotary
5″ 2 11/16″ 3 1/2″ IF DTH
5″ 2 11/16″ 3 1/2″ IF DTH Rotary
5″ 2 11/16″ 3 1/2″ IF Rotary
5 1/2″ 2 1/4″ 4 1/2″ API reg DTH Rotary
5 1/2″ 2 1/4″ 4 1/2″ API reg Rotary
5 1/2″ 2 1/4″ 4 1/2″ API reg Rotary
7  5/8″ 3 1/4″ 6 5/8″ API reg DTH Rotary
8″ 3 1/4″ 6 5/8″ API reg DTH Rotary
10″ 4″ 8 5/8″ API reg DTH Rotary