Home / Products / Eclipse Professional Tools / Range / Engineers' Tools / Boring Bars / Boring Bars

Boring Bars

Eclipse Boring Bars and Tool Bits are manufactured from 5% Cobalt High Speed Steel for the professional engineer
  • Manufactured from high quality steel containing 5% Cobalt
  • Made from 5% Cobalt High Speed Steel for ultimate hardness
  • Shank ground on underside to provide a flat surface for ease of setting and to ensure rigidity when used in a tool post
  • Ends ground ready for use
  • Available in four sizes

Store Locator

Trade Order

  • CodeDescriptionDiameterLengthPack sizeBarcode
    TK105B/10Boring Bar 3/16 X 4.1/25mm (3/16")114mm (4 1/2")105012095002185
    TK146C/10Boring Bar 1/4 X 56.5mm (1/4")127mm (5")105012095002192
    TK188P/10Boring Bar 5/16 X 68mm (5/16")153mm (6")55012095002208
    TK230J/10Boring Bar 3/8 X 79.5mm (3/8")178mm (7"255012095002215
This Month In The Garden >
Blog

Subscribe to the Spear and Jackson blog where our Gardening Brand Ambassador Lee Bestall will appear each month offering expert hints and tips on how to get the best from your garden

Visit our YouTube channel >
Media

Visit our YouTube Channel for help and advice and to see some of our tools in action

View News & Events >
News & Events

Keep up with all the news and details of Spear and Jackson and Eclipse events, shows and exhibitions

View our Stockists or become one >
Stockists

Click here to find your local stockists of Spear and Jackson and Eclipse tools in the UK. Interested in becoming one of stockists, please get in touch

Questions about Spear & Jackson? >
Frequently Asked Questions

Got a query about Spear and Jackson or Eclipse? Find the answers on our FAQ page or get in touch

Download our latest brochures >
Resource Centre

We offer a range of product catalogues, merchandising and point of sale solutions to support our trade customers, visit the resource centre to find out more