Field Drilling and Boring

Furmanite provides a range of drilling and boring machines for use in a variety of applications. Examples of this service are drilling holes for tapping studded or bolted connections or drilling clearance holes for fastening together components. Boring processes are used where greater precision is required, such as line boring for bearings. Fine finish and close tolerances are achieved in all these applications.

Typical drilling operations include:

  • Stud drilling
  • Screw cutting
  • Core sampling
  • Holes for tapping threads
  • Trepanning
  • Straight or taper boring and reaming
  • Clearance holes
  • Reaming for dowels
  • Pockets for probes and thermocouples
  • Removal of snapped or seized studs
  • Penetrations on bulkheads

Typical boring operations include:

  • Bearing housings
  • Cylinder liners
  • Fabricated piles to remove ovality
  • Line bore bearing blocks
  • Line bore knuckle joints or pin joints
  • Machine spigot faces for bores

The Furmanite range of drilling and boring machines and capacities:

• Drilling holes 0mm – 125mm dia (0” – 5”)

• Boring 0mm – 3500mm dia (0” – 140”)

• Line boring from 38mm dia x 1825mm long to 3500mm dia x 6400mm long (1½” dia x 6’ long to 140” x 21’ long)


Tolerances achievable by drilling and boring machines:

• Fixed feed borers – 1.6mm Ra (63 CLA) (depending on tool configuration used)

Standard finishes for variable feed boring bars and line borers:

• 1.6mm Ra to 6.3mm Ra (63 CLA to 250 CLA)

Tolerances achieved:

• For parallel bores finished tolerances of size + 0.012mm (0.0005”)

• Honed bores finished tolerances of + 0.005mm (0.0002”)

Power requirements, hydraulic powered drills and line boring machines:

• Air powered machines. Air at 2.7m3/min @ 6 bar, (100 CFM @ 90 PSI)

• Hydraulic powered machines. 415 – 440V 63 amp 3 phase socket outlet.


Furmanite - Innovative since 1920

Leak Sealing process developed leak-sealing-developed_thumb 01/01/1920

Furmanite Leak-Sealing process is Developed The under pressure Leak Sealing process is developed by Eugene Clay Furman at the Newport …

First DIY Leak-Sealing Kit old-furmanite-leak-sealing-equipment 01/01/1924

First DIY Leak-Sealing Kit The first do-it-yourself Leak Sealing kits were developed and marketed by Clay Furman and while they …

Long Standing Relationships Sales-Brochure-1926_thumb 01/01/1926

Long Standing Relationships US customer reference list that includes individual war ships in the US Navy, US steel companies and …

1st Patent is filed in 1927 furmanite-patents1 01/01/1927

1st Patent is filed in 1927 The Furmanite patent for the leak sealing process filed in 1927 was the first …

Furmanite moves Overseas Liverpool-Exibition_thumb 06/01/1927

Furmanite moves Overseas First overseas agents appointed to market the leak Sealing kits including in the United Kingdom and Euro…

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Price List from 1926 Table detailing costs of allowing a steam leak based on $4 per ton for “Long coal”. …

Furmanite is thinking global furmanite-the-skys-the-limit_thumb 01/01/1929

Furmanite is thinking global A brief history of the United Kingdom Company written by A W Forsyth (OBE) in September 1973 …

Technology Development leak-sealing-diagram 11/22/1934

Technology Development Furmanite Expands Engineering on Leak Sealing Technology. Photographs taken from a 1934 sales brochure together with schematics of …

Growing Furmanite purchase-letter_thumb 05/01/1960

Growing Furmanite Letter from the Chairman of Furmanite Engineering based in Birkenhead, England to his lawyer requesting information on a …

New Direction New-Technology_thumb 01/01/1966

New Direction Alan Forsyth, acting as a consultant to Furmanite Engineering (1929) advised the Board to move from selling low …

Never compromise on the high quality Company-History-July-1979_thumb 07/01/1979

Never to compromise on the high quality A brief history of the United Kingdom Furmanite organisation written by Joyce Hainsworth, the …

Best in the business were called NASA---Discovery-Team_thumb 09/01/1988

Best in the business were called Furmanite successfully seals nitrous oxide leakage on the Space Shuttle “Discovery” pre launch September …

Start of Modern Furmanite company-overview 11/22/1991

Start of Modern Furmanite The common shares of Furmanite were acquired by Kaneb Inc on 24th January 1991. Furmanite remains …

Acquisition-GSG Division Acquisition-GSG-Division_thumb 01/13/2006

Acquisition of Flow-Serve GSG Division Furmanite as part of Xanser Corporation acquired the General Services Group (GSG) of Flow-Serve corporation …

Corporate Name Change Corporate-Name-Change_thumb 01/13/2007

Corporate Name Change Xanser Corporation (NYSE:XNR) changed the company’s name to Furmanite Corporation, and the company’s shares were traded on …

Acquisition of SLM Acquisition-of-SLM_thumb 04/13/2011

Furmanite Corporation Acquires Self Leveling Machining Technology Furmanite expanded  its global on-site machining capabilities through the acquisition of Self Leveling …


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