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Dormer Pramet A110 10.25 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340
| Type | Long Series |
| Drill Diameter | 10.25 |
| Flute Length | 121 |
| Overall Length | 184 |
| Shank Diameter | 10.25 |
| Substrate | HSS |
Learn more about Klarna
Meet the Dormer Pramet A110 10.25 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340—built for precision, reach, and dependable performance in demanding metalwork. This long-series drill is purpose-built to tackle deeper holes while delivering consistent hole quality across a range of materials, making it a trusted companion in both handheld and machine setups.
- 118° conventional point: A strong, easy-to-reground point minimizes wandering on initial entry and supports clean, accurate starts every time.
- Steam oxide finish: A low-friction coating reduces built-up edge and keeps the cutting edge flowing smoothly, even in tougher materials.
- Long length series: Optimized for drilling deeper holes and reaching into recessed areas or through thick workpieces without changing tooling.
- Premium HSS material: High-speed steel provides robust performance across a variety of metals, including steel, aluminum, and stainless steel, with durable wear characteristics.
- DIN 340 compatibility: Standardized shank and flute geometry ensure reliable fitment in common chucks and holders, delivering predictable results.
- Versatile for handheld and machine use: Designed to excel in both portable drills and stationary drill presses, offering consistent hole quality no matter how you work.
Ideal for fabricators, workshop technicians, and hobbyists who need a dependable, long-reach drill that can handle thick materials and varied metals. Unlike shorter drills that require frequent tool changes, the A110 long-series drill reduces setup time and maximizes productive drilling sessions. Its robust construction and re-grindable point make it a practical choice for projects that demand precision, depth, and repeatable results.
Practical use cases include drilling deep pilot holes in thick steel brackets, creating through-holes in aluminum assemblies with extended reach, and preparing stainless-steel components where precise geometry and clean edges matter. For best results, maintain a steady feed, use appropriate coolant or cutting fluid as needed, and re-sharpen the 118° point to preserve accuracy over multiple holes.

| Type | Long Series |
| Drill Diameter | 10.25 |
| Flute Length | 121 |
| Overall Length | 184 |
| Shank Diameter | 10.25 |
| Substrate | HSS |
| Coated | Steam Tempered |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Dormer Pramet A110 HSS ST STRAIGHT SHANK LONG SERIES DRILLS DIN 340
View full collection →You are viewing DOR-A11010.25. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| DOR-A110.5 | 0.50 | 12 | 32 | 0.5 | £9.76 | 2 days | |
| DOR-A110.6 | 0.60 | 15 | 35 | 0.6 | £8.60 | 2 days | |
| DOR-A110.7 | 0.70 | 21 | 42 | 0.7 | £7.84 | 2 days | |
| DOR-A1101/32 | 1/32 | 25 | 46 | 0.79 | £3.89 | 2 days | |
| DOR-A110.8 | 0.80 | 25 | 46 | 0.8 | £7.11 | 2 days | |
| DOR-A110.9 | 0.90 | 29 | 51 | 0.9 | £6.46 | 2 days | |
| DOR-A1101.0 | 1.00 | 33 | 56 | 1 | £3.86 | 2 days | |
| DOR-A1101.1 | 1.10 | 37 | 60 | 1.1 | £3.71 | 2 days | |
| DOR-A1101.2 | 1.20 | 41 | 65 | 1.2 | £3.77 | 2 days | |
| DOR-A1101.3 | 1.30 | 41 | 65 | 1.3 | £3.06 | 2 days | |
| DOR-A1101.4 | 1.40 | 45 | 70 | 1.4 | £3.44 | 2 days | |
| DOR-A1101.5 | 1.50 | 45 | 70 | 1.5 | £3.42 | 2 days | |
| DOR-A1101/16 | 1/16 | 50 | 76 | 1.59 | £3.30 | 2 days | |
| DOR-A1101.6 | 1.60 | 50 | 76 | 1.6 | £3.36 | 2 days | |
| DOR-A1101.7 | 1.70 | 50 | 76 | 1.7 | £2.99 | 2 days | |
| DOR-A1101.75 | 1.75 | 53 | 80 | 1.75 | £4.53 | 2 days | |
| DOR-A1101.8 | 1.80 | 53 | 80 | 1.8 | £3.18 | 2 days | |
| DOR-A1101.9 | 1.90 | 53 | 80 | 1.9 | £3.42 | 2 days | |
| DOR-A1105/64 | 5/64 | 56 | 85 | 1.98 | £3.42 | 2 days | |
| DOR-A1102.0 | 2.00 | 56 | 85 | 2 | £2.69 | 2 days | |
| DOR-A1102.05 | 2.05 | 56 | 85 | 2.05 | £4.33 | 2 days | |
| DOR-A1102.1 | 2.10 | 56 | 85 | 2.1 | £2.89 | 2 days | |
| DOR-A1102.2 | 2.20 | 59 | 90 | 2.2 | £3.07 | 2 days | |
| DOR-A1102.25 | 2.25 | 59 | 90 | 2.25 | £4.41 | 2 days | |
| DOR-A1102.3 | 2.30 | 59 | 90 | 2.3 | £3.18 | 2 days | |
| DOR-A1103/32 | 3/32 | 62 | 95 | 2.38 | £3.18 | 2 days | |
| DOR-A1102.4 | 2.40 | 62 | 95 | 2.4 | £3.86 | 2 days | |
| DOR-A1102.5 | 2.50 | 62 | 95 | 2.5 | £2.78 | 2 days | |
| DOR-A1102.6 | 2.60 | 62 | 95 | 2.6 | £3.86 | 2 days | |
| DOR-A1102.7 | 2.70 | 66 | 100 | 2.7 | £3.47 | 2 days | |
| DOR-A1107/64 | 7/64 | 66 | 100 | 2.78 | £3.47 | 2 days | |
| DOR-A1102.8 | 2.80 | 66 | 100 | 2.8 | £3.13 | 2 days | |
| DOR-A1102.9 | 2.90 | 66 | 100 | 2.9 | £3.42 | 2 days | |
| DOR-A1103.0 | 3.00 | 66 | 100 | 3 | £2.78 | 2 days | |
| DOR-A1103.1 | 3.10 | 69 | 106 | 3.1 | £3.30 | 2 days | |
| DOR-A1101/8 | 1/8 | 69 | 106 | 3.18 | £3.13 | 2 days | |
| DOR-A1103.2 | 3.20 | 69 | 106 | 3.2 | £3.13 | 2 days | |
| DOR-A1103.25 | 3.25 | 69 | 106 | 3.25 | £4.83 | 2 days | |
| DOR-A1103.3 | 3.30 | 69 | 106 | 3.3 | £3.36 | 2 days | |
| DOR-A1103.4 | 3.40 | 73 | 112 | 3.4 | £3.97 | 2 days | |
| DOR-A1103.5 | 3.50 | 73 | 112 | 3.5 | £3.27 | 2 days | |
| DOR-A1109/64 | 9/64 | 73 | 112 | 3.57 | £3.24 | 2 days | |
| DOR-A1103.6 | 3.60 | 73 | 112 | 3.6 | £3.24 | 2 days | |
| DOR-A1103.7 | 3.70 | 73 | 112 | 3.7 | £3.89 | 2 days | |
| DOR-A1103.75 | 3.75 | 73 | 112 | 3.75 | £5.20 | 2 days | |
| DOR-A1103.8 | 3.80 | 78 | 119 | 3.8 | £3.62 | 2 days | |
| DOR-A1103.9 | 3.90 | 78 | 119 | 3.9 | £3.31 | 2 days | |
| DOR-A1105/32 | 5/32 | 78 | 119 | 3.97 | £3.37 | 2 days | |
| DOR-A1104.0 | 4.00 | 78 | 119 | 4 | £3.37 | 2 days | |
| DOR-A1104.1 | 4.10 | 78 | 119 | 4.1 | £4.47 | 2 days | |
| DOR-A1104.2 | 4.20 | 78 | 119 | 4.2 | £3.86 | 2 days | |
| DOR-A1104.25 | 4.25 | 78 | 119 | 4.25 | £6.64 | 2 days | |
| DOR-A1104.3 | 4.30 | 82 | 126 | 4.3 | £4.16 | 2 days | |
| DOR-A11011/64 | 11/64 | 82 | 126 | 4.37 | £4.10 | 2 days | |
| DOR-A1104.4 | 4.40 | 82 | 126 | 4.4 | £4.33 | 2 days | |
| DOR-A1104.5 | 4.50 | 82 | 126 | 4.5 | £4.04 | 2 days | |
| DOR-A1104.6 | 4.60 | 82 | 126 | 4.6 | £4.41 | 2 days | |
| DOR-A1104.7 | 4.70 | 82 | 126 | 4.7 | £4.70 | 2 days | |
| DOR-A1104.75 | 4.75 | 82 | 126 | 4.75 | £6.98 | 2 days | |
| DOR-A1103/16 | 3/16 | 87 | 132 | 4.76 | £4.83 | 2 days | |
| DOR-A1104.8 | 4.80 | 87 | 132 | 4.8 | £4.83 | 2 days | |
| DOR-A1104.9 | 4.90 | 87 | 132 | 4.9 | £4.86 | 2 days | |
| DOR-A1105.0 | 5.00 | 87 | 132 | 5 | £4.33 | 2 days | |
| DOR-A1105.1 | 5.10 | 87 | 132 | 5.1 | £5.46 | 2 days | |
| DOR-A11013/64 | 13/64 | 87 | 132 | 5.16 | £5.09 | 2 days | |
| DOR-A1105.2 | 5.20 | 87 | 132 | 5.2 | £5.14 | 2 days | |
| DOR-A1105.25 | 5.25 | 87 | 132 | 5.25 | £8.33 | 2 days | |
| DOR-A1105.3 | 5.30 | 87 | 132 | 5.3 | £5.56 | 2 days | |
| DOR-A1105.4 | 5.40 | 91 | 139 | 5.4 | £4.68 | 2 days | |
| DOR-A1105.5 | 5.50 | 91 | 139 | 5.5 | £5.50 | 2 days | |
| DOR-A1107/32 | 7/32 | 91 | 139 | 5.56 | £5.56 | 2 days | |
| DOR-A1105.6 | 5.60 | 91 | 139 | 5.6 | £5.96 | 2 days | |
| DOR-A1105.7 | 5.70 | 91 | 139 | 5.7 | £5.41 | 2 days | |
| DOR-A1105.75 | 5.75 | 91 | 139 | 5.75 | £8.76 | 2 days | |
| DOR-A1105.8 | 5.80 | 91 | 139 | 5.8 | £5.50 | 2 days | |
| DOR-A1105.9 | 5.90 | 91 | 139 | 5.9 | £6.16 | 2 days | |
| DOR-A11015/64 | 15/64 | 91 | 139 | 5.95 | £6.25 | 2 days | |
| DOR-A1106.0 | 6.00 | 91 | 139 | 6 | £5.46 | 2 days | |
| DOR-A1106.1 | 6.10 | 97 | 148 | 6.1 | £6.52 | 2 days | |
| DOR-A1106.2 | 6.20 | 97 | 148 | 6.2 | £6.43 | 2 days | |
| DOR-A1106.25 | 6.25 | 97 | 148 | 6.25 | £10.40 | 2 days | |
| DOR-A1106.3 | 6.30 | 97 | 148 | 6.3 | £6.46 | 2 days | |
| DOR-A1101/4 | 1/4 | 97 | 148 | 6.35 | £6.16 | 2 days | |
| DOR-A1106.4 | 6.40 | 97 | 148 | 6.4 | £7.69 | 2 days | |
| DOR-A1106.5 | 6.50 | 97 | 148 | 6.5 | £6.98 | 2 days | |
| DOR-A1106.6 | 6.60 | 97 | 148 | 6.6 | £6.66 | 2 days | |
| DOR-A1106.7 | 6.70 | 97 | 148 | 6.7 | £7.92 | 2 days | |
| DOR-A11017/64 | 17/64 | 102 | 156 | 6.75 | £6.69 | 2 days | |
| DOR-A1106.75 | 6.75 | 102 | 156 | 6.75 | £8.44 | 2 days | |
| DOR-A1106.8 | 6.80 | 102 | 156 | 6.8 | £7.71 | 2 days | |
| DOR-A1106.9 | 6.90 | 102 | 156 | 6.9 | £8.34 | 2 days | |
| DOR-A1107.0 | 7.00 | 102 | 156 | 7 | £7.37 | 2 days | |
| DOR-A1107.1 | 7.10 | 102 | 156 | 7.1 | £12.25 | 2 days | |
| DOR-A1109/32 | 9/32 | 102 | 156 | 7.14 | £8.01 | 2 days | |
| DOR-A1107.2 | 7.20 | 102 | 156 | 7.2 | £10.90 | 2 days | |
| DOR-A1107.25 | 7.25 | 102 | 156 | 7.25 | £10.40 | 2 days | |
| DOR-A1107.3 | 7.30 | 102 | 156 | 7.3 | £11.26 | 2 days | |
| DOR-A1107.4 | 7.40 | 102 | 156 | 7.4 | £12.66 | 2 days | |
| DOR-A1107.5 | 7.50 | 102 | 156 | 7.5 | £9.07 | 2 days | |
| DOR-A1107.6 | 7.60 | 109 | 165 | 7.6 | £13.30 | 2 days | |
| DOR-A1107.7 | 7.70 | 109 | 165 | 7.7 | £12.39 | 2 days | |
| DOR-A1107.75 | 7.75 | 109 | 165 | 7.75 | £11.13 | 2 days | |
| DOR-A1107.8 | 7.80 | 109 | 165 | 7.8 | £10.79 | 2 days | |
| DOR-A1107.9 | 7.90 | 109 | 165 | 7.9 | £10.08 | 2 days | |
| DOR-A1105/16 | 5/16 | 109 | 165 | 7.94 | £8.85 | 2 days | |
| DOR-A1108.0 | 8.00 | 109 | 165 | 8 | £9.12 | 2 days | |
| DOR-A1108.1 | 8.10 | 109 | 165 | 8.1 | £13.59 | 2 days | |
| DOR-A1108.2 | 8.20 | 109 | 165 | 8.2 | £12.77 | 2 days | |
| DOR-A1108.25 | 8.25 | 109 | 165 | 8.25 | £14.03 | 2 days | |
| DOR-A1108.3 | 8.30 | 109 | 165 | 8.3 | £12.98 | 2 days | |
| DOR-A1108.4 | 8.40 | 109 | 165 | 8.4 | £12.08 | 2 days | |
| DOR-A1108.5 | 8.50 | 109 | 165 | 8.5 | £10.40 | 2 days | |
| DOR-A1108.6 | 8.60 | 115 | 175 | 8.6 | £15.82 | 2 days | |
| DOR-A1108.7 | 8.70 | 115 | 175 | 8.7 | £15.17 | 2 days | |
| DOR-A11011/32 | 11/32 | 115 | 175 | 8.73 | £11.08 | 2 days | |
| DOR-A1108.75 | 8.75 | 115 | 175 | 8.75 | £18.65 | 2 days | |
| DOR-A1108.8 | 8.80 | 115 | 175 | 8.8 | £15.18 | 2 days | |
| DOR-A1109.0 | 9.00 | 115 | 175 | 9 | £11.20 | 2 days | |
| DOR-A1109.1 | 9.10 | 115 | 175 | 9.1 | £15.94 | 2 days | |
| DOR-A1109.2 | 9.20 | 115 | 175 | 9.2 | £17.69 | 2 days | |
| DOR-A1109.3 | 9.30 | 115 | 175 | 9.3 | £19.00 | 2 days | |
| DOR-A1109.5 | 9.50 | 115 | 175 | 9.5 | £12.86 | 2 days | |
| DOR-A1103/8 | 3/8 | 121 | 184 | 9.52 | £13.00 | 2 days | |
| DOR-A1109.6 | 9.60 | 121 | 184 | 9.6 | £18.92 | 2 days | |
| DOR-A1109.7 | 9.70 | 121 | 184 | 9.7 | £17.95 | 2 days | |
| DOR-A1109.8 | 9.80 | 121 | 184 | 9.8 | £16.83 | 2 days | |
| DOR-A1109.9 | 9.90 | 121 | 184 | 9.9 | £16.40 | 2 days | |
| DOR-A11010.0 | 10.00 | 121 | 184 | 10 | £13.25 | 2 days | |
| DOR-A11010.1 | 10.10 | 121 | 184 | 10.1 | £18.79 | 2 days | |
| DOR-A11010.2 | 10.20 | 121 | 184 | 10.2 | £18.59 | 2 days | |
| DOR-A11010.25 Viewing | 10.25 | 121 | 184 | 10.25 | £20.29 | 2 days | |
| DOR-A11010.3 | 10.30 | 121 | 184 | 10.3 | £23.12 | 2 days | |
| DOR-A11013/32 | 13/32 | 121 | 184 | 10.32 | £15.49 | 2 days | |
| DOR-A11010.5 | 10.50 | 121 | 184 | 10.5 | £16.32 | 2 days | |
| DOR-A11010.75 | 10.75 | 128 | 195 | 10.75 | £20.57 | 2 days | |
| DOR-A11010.8 | 10.80 | 128 | 195 | 10.8 | £19.79 | 2 days | |
| DOR-A11011.0 | 11.00 | 128 | 195 | 11 | £17.91 | 2 days | |
| DOR-A1107/16 | 7/16 | 128 | 195 | 11.11 | £18.27 | 2 days | |
| DOR-A11011.5 | 11.50 | 128 | 195 | 11.5 | £19.41 | 2 days | |
| DOR-A11011.75 | 11.75 | 128 | 195 | 11.75 | £25.17 | 2 days | |
| DOR-A11012.0 | 12.00 | 134 | 205 | 12 | £21.10 | 2 days | |
| DOR-A11012.1 | 12.10 | 134 | 205 | 12.1 | £27.31 | 2 days | |
| DOR-A11012.25 | 12.25 | 134 | 205 | 12.25 | £30.37 | 2 days | |
| DOR-A11012.5 | 12.50 | 134 | 205 | 12.5 | £23.21 | 2 days | |
| DOR-A1101/2 | 1/2 | 134 | 205 | 12.7 | £23.85 | 2 days | |
| DOR-A11013.0 | 13.00 | 134 | 205 | 13 | £24.03 | 2 days | |
| DOR-A11017/32 | 17/32 | 140 | 214 | 13.49 | £32.33 | 2 days | |
| DOR-A11013.5 | 13.50 | 140 | 214 | 13.5 | £33.29 | 2 days | |
| DOR-A11014.0 | 14.00 | 140 | 214 | 14 | £27.95 | 2 days | |
| DOR-A1109/16 | 9/16 | 144 | 220 | 14.29 | £36.02 | 2 days | |
| DOR-A11014.5 | 14.50 | 144 | 220 | 14.5 | £36.89 | 2 days | |
| DOR-A11015.0 | 15.00 | 144 | 220 | 15 | £33.74 | 2 days | |
| DOR-A11015.5 | 15.50 | 149 | 227 | 15.5 | £54.72 | 2 days | |
| DOR-A1105/8 | 5/8 | 149 | 227 | 15.88 | £46.97 | 2 days | |
| DOR-A11016.0 | 16.00 | 149 | 227 | 16 | £40.31 | 2 days | |
| DOR-A11016.5 | 16.50 | 154 | 235 | 16.5 | £58.82 | 2 days | |
| DOR-A11017.0 | 17.00 | 154 | 235 | 17 | £48.79 | 2 days | |
| DOR-A11017.5 | 17.50 | 158 | 241 | 17.5 | £67.49 | 2 days | |
| DOR-A11018.0 | 18.00 | 158 | 241 | 18 | £50.62 | 2 days | |
| DOR-A11018.5 | 18.50 | 162 | 247 | 18.5 | £84.82 | 2 days | |
| DOR-A11019.0 | 19.00 | 162 | 247 | 19 | £61.56 | 2 days | |
| DOR-A1103/4 | 3/4 | 166 | 254 | 19.05 | £71.14 | 2 days | |
| DOR-A11019.5 | 19.50 | 166 | 254 | 19.5 | £112.63 | 2 days | |
| DOR-A11020.0 | 20.00 | 166 | 254 | 20 | £69.77 | 2 days | |
| DOR-A11021.0 | 21.00 | 171 | 261 | 21 | £87.10 | 2 days | |
| DOR-A11022.0 | 22.00 | 176 | 268 | 22 | £93.02 | 2 days | |
| DOR-A1107/8 | 7/8 | 176 | 268 | 22.22 | £98.04 | 2 days | |
| DOR-A1101 | 25.40 | 190 | 290 | 25.4 | £117.65 | 2 days |
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