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Irwin 4X Blue Groove Long Flat Bit


  • The Irwin 4X Blue Groove long flat bit has a patented groove point and cutting edge designed to cut and not scrape the timber 4 times faster than standard flat bits.
  • The parabolic scoop optimises control and removal of wood chips.
  • The bits also have an increased relief angle from 12° to 17°.
  • The shank is 400mm in length and 10% larger in diameter providing added durability.

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Delivery Information

Free delivery on all online orders over £54.99, delivered to the UK mainland only; A small order charge of £6.95 vat is charged on all orders under £54.99 (net). 

Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary. Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. 

Special delivery services are available; please contact our Sales Office to discuss your specific requirements. 

The following postcodes will be subject to a delivery surcharge: 

AB37 & AB38, AB41-AB56, FK19-FK21, IV1-IV40, IV52-IV54, IV63, JE1-JE5, KW1-KW14, PA21-PA40, PH15-PH41, PH49, PH50, HS, IV41-IV51, IV55 & IV56, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.

A customer service representive, will contact you upon receipt of your order to advise of the relevant charges or please call us to confirm the surcharge prior to placing your order

If you would prefer to collect your delivery from our warehouse, please select collection at the checkout and we will let you know when your order is ready to collect.

Contact Us for Bulk Discounts

Part Number Description - Diameter x Overall Length Price
ID 134633
4X Blue Groove Long Flat Bit 6mm x 400mm

£6.65 (Ex VAT)

£7.98 (Inc VAT)

ID 134634
4X Blue Groove Long Flat Bit 8mm x 400mm

£6.65 (Ex VAT)

£7.98 (Inc VAT)

ID 134635
4X Blue Groove Long Flat Bit 10mm x 400mm

£6.65 (Ex VAT)

£7.98 (Inc VAT)

ID 134636
4X Blue Groove Long Flat Bit 12mm x 400mm

£7.19 (Ex VAT)

£8.63 (Inc VAT)

ID 134637
4X Blue Groove Long Flat Bit 13mm x 400mm

£7.45 (Ex VAT)

£8.94 (Inc VAT)

ID 134638
4X Blue Groove Long Flat Bit 14mm x 400mm

£7.71 (Ex VAT)

£9.25 (Inc VAT)

ID 134639
4X Blue Groove Long Flat Bit 18mm x 400mm

£8.25 (Ex VAT)

£9.90 (Inc VAT)

ID 134640
4X Blue Groove Long Flat Bit 20mm x 400mm

£9.04 (Ex VAT)

£10.85 (Inc VAT)

ID 134641
4X Blue Groove Long Flat Bit 22mm x 400mm

£7.71 (Ex VAT)

£9.25 (Inc VAT)

ID 134642
4X Blue Groove Long Flat Bit 25mm x 400mm

£9.56 (Ex VAT)

£11.47 (Inc VAT)

ID 134643
4X Blue Groove Long Flat Bit 28mm x 400mm

£10.10 (Ex VAT)

£12.12 (Inc VAT)

ID 134644
4X Blue Groove Long Flat Bit 30mm x 400mm

£11.00 (Ex VAT)

£13.20 (Inc VAT)

ID 134645
4X Blue Groove Long Flat Bit 32mm x 400mm

£10.61 (Ex VAT)

£12.73 (Inc VAT)

ID 134646
4X Blue Groove Long Flat Bit 35mm x 400mm

£11.16 (Ex VAT)

£13.39 (Inc VAT)

Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.

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*Online orders over £39.99 (net) delivered to UK Mainland only. Excluding certain postcodes

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