12mm Dia Boring Bars

Product categories

• Products
  • Lathe Tooling
    • Lathe tool sets
      • Turning Sets
      • Boring Bar Sets
    • Turning Toolholders
      • Double Ended Toolholders
      • 8mm square shank toolholders
      • 10mm square shank toolholders
      • 12mm square shank toolholders
      • 16mm square shank toolholders
      • 20mm square shank toolholders
      • 25mm square shank toolholders
      • 32mm square shank toolholders
    • Boring Bars
      • Steel Boring Bars
        • 8mm Dia Boring Bars
        • 10mm Dia Boring Bars
        • 12mm Dia Boring Bars
        • 16mm Dia Boring Bars
        • 20mm Dia Boring Bars
        • 25mm Dia Boring Bars
        • 32mm Dia Boring Bars
        • 40mm Dia Boring Bars
        • 50mm Dia Boring Bars
      • Steel Through Coolant Boring Bars
        • 8mm Dia Boring Bars
        • 10mm Dia Boring Bars
        • 12mm Dia Boring Bars
        • 16mm Dia Boring Bars
        • 20mm Dia Boring Bars
        • 25mm Dia Boring Bars
        • 32mm Dia Boring Bars
        • 40mm Dia Boring Bars
      • Carbide Boring Bars
        • 4mm Dia Boring Bars
        • 5mm Dia Boring Bars
        • 6mm Dia Boring Bars
        • 8mm Dia Boring Bars
        • 10mm Dia Boring Bars
        • 12mm Dia Boring Bars
        • 16mm Dia Boring Bars
        • 20mm Dia Boring Bars
        • 25mm Dia Boring Bars
      • Carbide Through Coolant Boring Bars
        • 8mm Dia Boring Bars
        • 10mm Dia Boring Bars
        • 12mm Dia Boring Bars
        • 16mm Dia Boring Bars
        • 20mm Dia Boring Bars
        • 25mm Dia Boring Bars
      • Boring Bar Sets
      • Boring tools adjustable twin head Teknik
    • Turning Inserts
      • CCGT Turning Inserts
      • CCMT Turning Inserts
        • CCMT 0602
        • CCMT 09T3
        • CCMT 1204
      • CNMG Turning Inserts
      • DCGT Turning Inserts
      • DCMT Turning Inserts
        • DCMT 0702
        • DCMT 11T3
      • DNMG Turning Inserts
        • DNMG 1506
        • DNMG 1104
      • RCGT Turning Inserts
      • RCMT Turning Inserts
      • SCMT Turning Inserts
      • SNMG Turning Inserts
      • TCGT Turning Inserts
      • TCMT Turning Inserts
      • TNMG Turning Inserts
        • TNMG 1604
        • TNMG 2204
      • TPMR Turning Inserts
      • VCGT Turning Inserts
      • VCMT Turning Inserts
      • VNMG Turning Inserts
      • WNMG Turning Inserts
        • WNMG 0804
        • WNMG 0604
    • Parting Off Tools
      • Parting Off Blocks
      • Parting Off Blades
        • TEKNIK Blades
        • OMEGA Blades
        • SUMITOMO Blades
        • STS Blades
      • Parting Off Holders
    • Parting Off Inserts
      • STS Parting Off Inserts
      • Sumitomo Parting Off Inserts
      • APT Parting Off Inserts
      • OMEGA Parting Off Inserts
      • KORLOY Parting Off Inserts
    • Grooving Tool Holders
      • Internal TEKNIK
      • External TEKNIK
      • External APT
        • MGEHR APT
        • TER APT
      • Internal APT
        • MGIVR APT
        • TIR APT
      • External STS
      • Internal STS
      • External Sumitomo
      • Internal Sumitomo
    • Grooving Inserts
      • STS Grooving Inserts
      • Sumitomo Grooving Inserts
      • APT Grooving Inserts
    • Udrills
      • Udrills 2 X D Teknik wcmx
      • Udrills 3 X D Teknik wcmx
      • Udrills 4 X D Teknik wcmx
      • Udrills 5 X D Teknik wcmx
      • Udrills 4 X D Omega spmg
      • Udrills 3 X D Omega wcmx
    • Udrill inserts
      • Udrill inserts STS WCMT
      • Udrill inserts APT WCMX
      • Udrill inserts Omega SPMG
      • Udrill inserts Omega WCGX
      • Udrill inserts Sandvik WCMX
      • Udrill inserts Sumitomo WDXT
    • Threading Holders
      • Threading Holder External
        • 12mm sq External Threading Holders
        • 16mm sq External Threading Holders
        • 20mm sq External Threading Holders
        • 25mm sq External Threading Holders
        • 32mm sq External Threading Holders
      • Threading Holders Internal
        • 10mm dia Internal Threading Holder
        • 12mm dia Internal Threading Holder
        • 16mm dia Internal Threading Holder
        • 20mm dia Internal Threading Holder
        • 25mm dia Internal Threading Holder
        • 32mm dia Internal Threading Holder
        • 40mm dia Internal Threading Holder
    • Threading Inserts
      • Threading Inserts External
        • 11ER External Inserts
        • 16ER AG55 External Inserts
          • STS 16ER AG55
          • POSITHREAD 16ER AG55
        • 16ER AG60 External Inserts
          • STS 16ER AG60
          • POSITHREAD 16ER AG60
        • 16ER Metric External Inserts
          • STS 16ER METRIC
          • POSITHREAD 16ER METRIC
        • 16ER UN External Inserts
        • 16ER Whitworth External Inserts
        • 22ER External Inserts
      • Threading Inserts Internal
        • 11IR Internal Inserts
        • 16IR AG55 Internal Inserts
          • STS 16IR AG55
          • POSITHREAD 16IR AG55
        • 16IR AG60 Internal Inserts
          • STS 16IR AG60
          • POSITHREAD 16IR AG60
        • 16IR Metric Internal Inserts
          • STS 16IR METRIC
          • POSITHREAD 16IR METRIC
        • 16IR Whitworth Internal Inserts
        • 16IR UN Internal Inserts
        • 22IR Internal Inserts
    • Quick Change Toolposts Bison
    • Quick Change Toolpost Holders Bison
    • Quick Change Toolpost Spares Bison
    • Lathe Tools Spare parts
      • Spare Parts Teknik
      • Spare Parts Omega
      • Spare Parts Canela
      • Spare Parts Sumitomo
  • Milling Tooling
    • Face Mills
      • Face Mills Teknik
      • Face Mills Sumitomo
      • Face Mills APT
        • 90 Deg Face Mills APT
        • 45 Deg Face Mills APT
    • Indexable End Mills
      • 90 Deg Indexable Endmills Teknik
      • 90 Deg Indexable Endmills Sumitomo
      • 90 Deg Indexable Endmills Omega
      • 90 Deg Indexable Endmills APT (Economy)
    • Chamfer Countersink Bodies
    • Milling Inserts
    • Milling Cutters Cobalt
      • Milling Cutters Cobalt STS
        • Ballnosed Slotdrills Cobalt 2 Flute
        • Ballnosed Slotdrills Cobalt Coated 2 Flute
        • Slotdrills Cobalt 2 Flute
        • Slotdrills Cobalt Coated 2 Flute
        • Endmills Cobalt 3 Flute (Aluminium)
        • Endmills Cobalt Coated 3 Flute (Steel - Stainless Steel)
        • Endmills Cobalt 4 Flute
        • Endmills Cobalt Coated 4 Flute
      • Milling Cutters Cobalt CARMON
        • Slotdrills 8% Cobalt 2 Flute
        • Ballnosed slotdrills 8% Cobalt 2 Flute
        • Slotdrill 8% Cobalt 2 Flute long series
        • Endmills 8% Cobalt 3 flute
        • Endmills 8% Cobalt 4 flute
        • Endmills 8% Cobalt Coated 4 Flute
        • Endmills 8% Cobalt 4 Flute long series
        • Ripper cutters 8% Cobalt
        • Ripper cutters 8% Cobalt AITiN coated
      • Milling Cutters Cobalt APT
        • Economy 2 flute Cobalt Coated slotdrills
        • Economy 2 flute Cobalt Coated Ballnosed Slotdrills
        • Economy 3flute Cobalt Coated Endmills
        • Economy 4flute Cobalt Coated Endmills
    • Milling Cutters Carbide
      • Slot Drill 2 flute Carbide
      • Ballnosed Slotdrill 2 Flute Carbide for Aluminium
      • Ball Nosed Slotdrill 2 Flute Carbide
      • Endmill 3 flute Carbide
      • Endmill 3 Flute Carbide for Aluminium
      • Endmill 4 Flute Carbide
      • Endmill 4 Flute Carbide (Stainless Steel)
      • Ball Nosed Endmill 4 Flute Carbide
    • Boring Heads
    • T-Slot Cutters 5% Cobalt
    • Corner Rounding Radius Cutters
    • Dovetail Cutters
    • Woodruff Cutters 5% Cobalt
  • Drilling
    • HSS Drills
      • Drills Stub Hss
      • Drills Jobber Hss
      • Drills S/S Long Series
      • Drills Extra Long Series
        • Drills Extra Long Series 1
        • Drills Extra Long Series 2
        • Drills Extra Long Series 3
      • Blacksmiths Drills 13mm dia shank
    • 5% Cobalt Drills
      • Drills Stub 5% Cobalt
      • Drills Jobber 5% Cobalt
      • Drills Jobber 5% Cobalt Tin Coated
    • 8% Cobalt Drills
      • Drills Spot Cobalt
      • Drills Stub 8% Cobalt
      • Drills Jobber 8% Cobalt
    • Drills Taper Shank Hss
    • Carbide Drills
      • Drills Solid Carbide
      • Carbide drills for broken taps
    • Drill Sets HSS-Cobalt
    • Countersinks
      • Countersinks Hss 1750 Carmon
      • Countersinks 5% Cobalt 1760 Carmon
      • Countersinks 8% Cobalt 1740 Carmon
      • Countersink Set HSS-Cobalt
      • Countersinks Taper Shank
    • Chamfer Drilling
    • Centre Drills
    • Counterbores
    • Step Drills
    • Core Bits
      • Core Bits Cobalt short 25mm
      • Core Bits Cobalt Long 50mm
      • Core Bits Carbide Tipped Long 55mm
      • Core Bit Accessories
  • Taps & Dies
    • STS High Performance Powered Metal Machine Taps
      • STS High Performance Powered Metal Machine Taps Spiral Point Double Black Ring
      • STS High Performance Powered Metal Machine Taps Spiral Flute Double Black Ring
    • Carmon Machine Taps Cobalt
      • Long Series Cobalt Taps Carmon
      • NPT Carmon Cobalt Taps
      • Spiral Point Taps Cobalt (steel) Carmon
      • Spiral Point Taps Cobalt (stainless) Carmon
      • Spiral Point Taps ASP (hard steel) Carmon
      • Spiral Flute Taps Cobalt (steel) Carmon
      • Spiral Flute Taps Cobalt (stainless steel) Carmon
      • Spiral Flute Taps Cobalt (aluminium) Carmon
      • Spiral Flute Taps ASP (hard steel) Carmon
    • Carmon Hand Taps Cobalt
      • Hand Tap Sets Metric Carmon
      • Hand Tap sets Metric Fine Carmon (2 taps per set)
    • Wiseman Hand Taps & Dies HSS
      • Taper Taps Metric Wiseman
      • 2nd Taps Metric Wiseman
      • Plug taps metric Wiseman
      • Dies hss split Wiseman
      • Hand Tap Sets Metric Wiseman
      • Hand Tap Sets Metric Fine Wiseman
      • Hand Tap Sets BSP Wiseman
      • NPT Plug Taps
  • Reamers
    • Hand Reamers
    • Reamer Straight Shank Chucking
    • Reamers Taper Shank
  • Metrology
    • 3D TASTERS IP67
    • Vernier Calipers
    • Digital Calipers
    • Dial Calipers
    • Dial Gauges
    • Bore Gauges
    • Depth Caliper
    • Telescopic Gauges
    • Thread Plug Gauges
    • Height Gauges
    • Micrometres
    • Micrometer with counter
    • Micrometer sets
    • Micrometer holder
    • Digital Micrometres
    • Digital Protractor
    • Magnetic Stands
    • Inside micrometer with extension rods
  • Workholding
    • Lathe Chucks
      • Three Jaw Self Centring Lathe Chucks
      • Four Jaw Self Centring Lathe Chucks
      • Lathe Power Chucks
      • Four Jaw Independent Chucks
    • Chuck Jaws
    • Revolving Centres Qtech
    • Revolving Centres Omega
    • Vices
    • Precision Modular Vices
    • Jaws for Precision Modular Vices
      • Spare Plain Jaws for Modular Vices
      • Spare Plain Soft Jaws for Modular Vices
      • Spare Grooved Jaws for Modular Vices
    • Tnuts
      • Gima Tnuts
      • Thame Tnuts
  • Spindle Tooling
    • Collet
      • ER16 COLLET
      • ER25 COLLET
      • ER32 COLLET
      • ER40 COLLET
      • R8 COLLET
    • Collet set
    • Collet chuck
    • Castleated Spanner
    • Face Mill Arbor
      • BT30 Face Mill Arbor
      • BT40 Face Mill Arbor
      • BT50 Face Mill Arbor
      • ISO40 Face Mill Arbor
      • ISO50 Face Mill Arbor
      • DV40 Face Mill Arbor
      • R8 Face Mill Arbor
    • Endmill holder
      • BT40 Endmill Holder
      • BT30 Endmill Holder
      • BT50 Endmill Holder
    • Tapping Chucks
    • Tap adaptors
    • Drill Chucks
    • Drill chuck arbor
    • Morse taper adaptors
    • Morse taper drill sleeves
    • Boring Bar Sleeves
    • Sleeves Reduction Type 25mm-50mm OD
    • Screw In Tang
  • Broaches
  • Burrs Carbide
  • Line Boring
    • Line Boring Carbide Inserts
    • Line Boring Tools
  • Deburring
    • Deburring Blades
    • Deburring Handles
    • Deburring Sets
    • Deburring Blade Holder
  • Bandsaw Blades Bi-Metal M42
    • Honsberg M42 Bandsaw Blades
    • Starrett M42 Bandsaw Blades