The Irwin Blue Groove 4X Long Flat Bit in 10mm x 400mm is one of the most versatile sizes in the range, ideal for general carpentry, joinery, and construction applications. This diameter is perfect for drilling holes for standard bolts, electrical conduit, plumbing pipes, and a wide variety of fixings through deep timber sections. The 10mm cutting diameter combined with the 400mm extended shank makes this bit indispensable for drilling through floor joists, wall studs, and roof timbers where sta
The only currently-tracked offer for this product.
| Merchant | Price | Shipping | Total | Rating |
|---|
| Tooled Up· new | £11.95 | £5.95 | £17.90 | — |
Price shown as reported by the merchant — final price is confirmed at checkout. See Affiliate Disclosure.
