For pricechoose optionsSelect Option 10.00mm x 250mm 10.00mm x 315mm 12.00mm x 250mm 12.00mm x 315mm 3.00mm x 160mm 3.50mm x 160mm 4.00mm x 160mm 4.50mm x 315mm 5.00mm x 200mm 6.00mm x 200mm 6.00mm x 250mm 6.00mm x 315mm 8.00mm x 250mm 8.00mm x 315mm Quantity Add to Basket Dormer A125 HSS Extra Length Drill is a general purpose extra length drill that is ideal for long reach and deep hole applications and capable of drilling up to 10 times its diameter.