Please log in here to access all benefits, including promotional discounts and faster checkouts.
Dormer Pramet A125 11/32 Inch x 460 mm HSS ST STRAIGHT SHANK EXTRA LONG SERIES DRILL BS 328
| Type | Extra Long Series |
| Drill Diameter | 11/32 |
| Flute Length | 400 |
| Overall Length | 460 |
Learn more about Klarna
Description
The Dormer Pramet A125 11/32 Inch x 460 mm HSS Straight Shank Extra Long Series Drill (BS 328) is built for serious metalworking tasks where reach and reliability matter. This drill bit combines precision engineering with a tough design, making it a dependable choice for deep-hole drilling in a range of materials.
Key features that set this drill apart:
- 118-degree conventional point – delivers a strong, self-centering start that’s easy to re-sharpen, helping you maintain accuracy and extend tool life even after repeated use.
- Steam oxide finish – reduces material sticking to the cutting edge, promoting smoother chips evacuation and cleaner holes with less built-up edge.
- Extra long length – purpose-built for drilling very deep holes or situations where extended reach is required, minimizing the need for multiple tools or workpiece repositioning.
- Premium HSS material – high-speed steel provides solid performance across a variety of workpieces, including steel, aluminum, and stainless steel, while preserving hardness and edge retention.
- Straight shank – versatile compatibility with a wide range of drill presses and handheld drilling machines, ensuring secure clamping and stable cutting action.
- Versatile, reliable performance – designed for demanding applications in fabrication, automotive, moldmaking, and general metalworking where long reach and dependable cutting are essential.
Ideal use cases include drilling deep pilot holes in steel assemblies, creating precise through-holes in aluminum components, or reaching recessed work areas where standard-length bits fall short. The A125 drill delivers consistent hole quality, clean chip formation, and predictable wear patterns, making it a practical upgrade for workshops that tackle frequent deep-hole tasks.
Why choose this Dormer Pramet A125 drill over standard length bits? The combination of an engineered point geometry, oxide finish, and extra-long reach translates to fewer tool changes, reduced setup time, and more efficient material removal in challenging setups. When you need a dependable long-reach solution without compromising performance, this drill bit is designed to deliver.
Part Numbers
- Protool Part Number
- DOR-A12511/32X500
- Brand
- Dormer Pramet
- Category
- Drill
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 A125 HSS ST STRAIGHT SHANK EXTRA LONG SERIES DRILLS BS 328
View full collection →You are viewing DOR-A12511/32X500. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| DOR-A1251.4X160 | 1.40 | 100 | 160 | 1.4 | £19.93 | 2 days | |
| DOR-A1251.5X125 | 1.50 | 80 | 125 | 1.5 | £11.35 | 2 days | |
| DOR-A1251.5X160 | 1.50 | 100 | 160 | 1.5 | £13.45 | 2 days | |
| DOR-A1251/16X125 | 1/16 | 80 | 125 | 1.59 | £13.82 | 2 days | |
| DOR-A1251/16X160 | 1/16 | 100 | 160 | 1.59 | £16.54 | 2 days | |
| DOR-A1251.8X160 | 1.80 | 100 | 160 | 1.8 | £17.40 | 2 days | |
| DOR-A1255/64X160 | 5/64 | 100 | 160 | 1.98 | £17.08 | 2 days | |
| DOR-A1255/64X125 | 5/64 | 80 | 125 | 1.98 | £16.37 | 2 days | |
| DOR-A1252.0X125 | 2.00 | 80 | 125 | 2 | £8.79 | 2 days | |
| DOR-A1252.0X160 | 2.00 | 100 | 160 | 2 | £10.31 | 2 days | |
| DOR-A1252.2X160 | 2.20 | 100 | 160 | 2.2 | £10.70 | 2 days | |
| DOR-A1253/32X160 | 3/32 | 100 | 160 | 2.38 | £10.35 | 2 days | |
| DOR-A1253/32X125 | 3/32 | 80 | 125 | 2.38 | £9.47 | 2 days | |
| DOR-A1252.5X125 | 2.50 | 80 | 125 | 2.5 | £8.30 | 2 days | |
| DOR-A1252.5X160 | 2.50 | 100 | 160 | 2.5 | £10.21 | 2 days | |
| DOR-A1257/64X125 | 7/64 | 80 | 125 | 2.78 | £10.02 | 2 days | |
| DOR-A1257/64X160 | 7/64 | 100 | 160 | 2.78 | £15.35 | 2 days | |
| DOR-A1253.0X160 | 3.00 | 100 | 160 | 3 | £9.70 | 2 days | |
| DOR-A1253.0X200 | 3.00 | 150 | 200 | 3 | £12.95 | 2 days | |
| DOR-A1253.0X250 | 3.00 | 200 | 250 | 3 | £16.45 | 2 days | |
| DOR-A1251/8X160 | 1/8 | 100 | 160 | 3.18 | £11.93 | 2 days | |
| DOR-A1251/8X200 | 1/8 | 150 | 200 | 3.18 | £12.11 | 2 days | |
| DOR-A1251/8X250 | 1/8 | 200 | 250 | 3.18 | £23.58 | 2 days | |
| DOR-A1251/8X315 | 1/8 | 250 | 310 | 3.18 | £27.13 | 2 days | |
| DOR-A1253.3X160 | 3.30 | 100 | 160 | 3.3 | £13.98 | 2 days | |
| DOR-A1253.5X160 | 3.50 | 100 | 160 | 3.5 | £9.83 | 2 days | |
| DOR-A1253.5X200 | 3.50 | 150 | 200 | 3.5 | £12.16 | 2 days | |
| DOR-A1253.5X250 | 3.50 | 200 | 250 | 3.5 | £17.10 | 2 days | |
| DOR-A1259/64X160 | 9/64 | 100 | 160 | 3.57 | £17.27 | 2 days | |
| DOR-A1259/64X200 | 9/64 | 150 | 200 | 3.57 | £17.36 | 2 days | |
| DOR-A1259/64X315 | 9/64 | 250 | 310 | 3.57 | £25.17 | 2 days | |
| DOR-A1255/32X160 | 5/32 | 100 | 160 | 3.97 | £12.08 | 2 days | |
| DOR-A1255/32X200 | 5/32 | 150 | 200 | 3.97 | £14.30 | 2 days | |
| DOR-A1255/32X250 | 5/32 | 200 | 250 | 3.97 | £27.59 | 2 days | |
| DOR-A1255/32X315 | 5/32 | 250 | 310 | 3.97 | £35.02 | 2 days | |
| DOR-A1254.0X160 | 4.00 | 100 | 160 | 4 | £9.85 | 2 days | |
| DOR-A1254.0X200 | 4.00 | 150 | 200 | 4 | £12.75 | 2 days | |
| DOR-A1254.0X250 | 4.00 | 200 | 250 | 4 | £17.05 | 2 days | |
| DOR-A1254.0X315 | 4.00 | 250 | 310 | 4 | £21.16 | 2 days | |
| DOR-A12511/64X160 | 11/64 | 100 | 160 | 4.37 | £15.90 | 2 days | |
| DOR-A12511/64X200 | 11/64 | 150 | 200 | 4.37 | £19.15 | 2 days | |
| DOR-A12511/64X315 | 11/64 | 250 | 310 | 4.37 | £27.59 | 2 days | |
| DOR-A1254.5X160 | 4.50 | 100 | 160 | 4.5 | £11.48 | 2 days | |
| DOR-A1254.5X200 | 4.50 | 150 | 200 | 4.5 | £15.03 | 2 days | |
| DOR-A1254.5X250 | 4.50 | 200 | 250 | 4.5 | £23.03 | 2 days | |
| DOR-A1254.5X315 | 4.50 | 250 | 310 | 4.5 | £25.17 | 2 days | |
| DOR-A1253/16X160 | 3/16 | 100 | 160 | 4.76 | £11.63 | 2 days | |
| DOR-A1253/16X200 | 3/16 | 150 | 200 | 4.76 | £13.25 | 2 days | |
| DOR-A1253/16X250 | 3/16 | 200 | 250 | 4.76 | £16.86 | 2 days | |
| DOR-A1253/16X315 | 3/16 | 250 | 310 | 4.76 | £24.62 | 2 days | |
| DOR-A1253/16X400 | 3/16 | 300 | 400 | 4.76 | £46.51 | 2 days | |
| DOR-A1255.0X160 | 5.00 | 100 | 160 | 5 | £11.16 | 2 days | |
| DOR-A1255.0X200 | 5.00 | 150 | 200 | 5 | £14.67 | 2 days | |
| DOR-A1255.0X250 | 5.00 | 200 | 250 | 5 | £18.24 | 2 days | |
| DOR-A1255.0X315 | 5.00 | 250 | 310 | 5 | £25.26 | 2 days | |
| DOR-A1255.0X400 | 5.00 | 300 | 400 | 5 | £32.19 | 2 days | |
| DOR-A12513/64X200 | 13/64 | 150 | 200 | 5.16 | £22.80 | 2 days | |
| DOR-A12513/64X250 | 13/64 | 200 | 250 | 5.16 | £29.55 | 2 days | |
| DOR-A12513/64X315 | 13/64 | 250 | 310 | 5.16 | £38.81 | 2 days | |
| DOR-A1255.5X200 | 5.50 | 150 | 200 | 5.5 | £13.57 | 2 days | |
| DOR-A1255.5X250 | 5.50 | 200 | 250 | 5.5 | £21.96 | 2 days | |
| DOR-A1255.5X315 | 5.50 | 250 | 310 | 5.5 | £34.75 | 2 days | |
| DOR-A1257/32X200 | 7/32 | 150 | 200 | 5.56 | £17.68 | 2 days | |
| DOR-A1257/32X250 | 7/32 | 200 | 250 | 5.56 | £22.56 | 2 days | |
| DOR-A12515/64X200 | 15/64 | 150 | 200 | 5.95 | £27.36 | 2 days | |
| DOR-A12515/64X315 | 15/64 | 250 | 310 | 5.95 | £26.27 | 2 days | |
| DOR-A1256.0X200 | 6.00 | 150 | 200 | 6 | £15.78 | 2 days | |
| DOR-A1256.0X250 | 6.00 | 200 | 250 | 6 | £21.11 | 2 days | |
| DOR-A1256.0X315 | 6.00 | 250 | 310 | 6 | £26.27 | 2 days | |
| DOR-A1256.0X400 | 6.00 | 300 | 400 | 6 | £38.26 | 2 days | |
| DOR-A1251/4X200 | 1/4 | 150 | 200 | 6.35 | £17.28 | 2 days | |
| DOR-A1251/4X250 | 1/4 | 200 | 250 | 6.35 | £21.89 | 2 days | |
| DOR-A1251/4X315 | 1/4 | 250 | 310 | 6.35 | £27.13 | 2 days | |
| DOR-A1251/4X400 | 1/4 | 300 | 400 | 6.35 | £55.63 | 2 days | |
| DOR-A1251/4X500 | 1/4 | 400 | 460 | 6.35 | £77.06 | 2 days | |
| DOR-A1256.5X200 | 6.50 | 150 | 200 | 6.5 | £18.10 | 2 days | |
| DOR-A1256.5X250 | 6.50 | 200 | 250 | 6.5 | £22.44 | 2 days | |
| DOR-A1256.5X315 | 6.50 | 250 | 310 | 6.5 | £32.42 | 2 days | |
| DOR-A12517/64X200 | 17/64 | 150 | 200 | 6.75 | £22.34 | 2 days | |
| DOR-A12517/64X250 | 17/64 | 200 | 250 | 6.75 | £30.05 | 2 days | |
| DOR-A12517/64X500 | 17/64 | 400 | 460 | 6.75 | £77.06 | 2 days | |
| DOR-A1257.0X200 | 7.00 | 150 | 200 | 7 | £19.52 | 2 days | |
| DOR-A1257.0X250 | 7.00 | 200 | 250 | 7 | £24.94 | 2 days | |
| DOR-A1257.0X315 | 7.00 | 250 | 310 | 7 | £35.16 | 2 days | |
| DOR-A1257.5X200 | 7.50 | 150 | 200 | 7.5 | £23.39 | 2 days | |
| DOR-A1257.5X250 | 7.50 | 200 | 250 | 7.5 | £28.18 | 2 days | |
| DOR-A1257.5X315 | 7.50 | 250 | 310 | 7.5 | £36.57 | 2 days | |
| DOR-A1255/16X200 | 5/16 | 150 | 200 | 7.94 | £22.15 | 2 days | |
| DOR-A1255/16X250 | 5/16 | 200 | 250 | 7.94 | £27.86 | 2 days | |
| DOR-A1255/16X315 | 5/16 | 250 | 310 | 7.94 | £36.94 | 2 days | |
| DOR-A1255/16X500 | 5/16 | 400 | 460 | 7.94 | £91.20 | 2 days | |
| DOR-A1258.0X250 | 8.00 | 200 | 250 | 8 | £27.54 | 2 days | |
| DOR-A1258.0X315 | 8.00 | 250 | 310 | 8 | £37.12 | 2 days | |
| DOR-A1258.0X400 | 8.00 | 300 | 400 | 8 | £46.97 | 2 days | |
| DOR-A12521/64X315 | 21/64 | 250 | 310 | 8.33 | £68.40 | 2 days | |
| DOR-A1258.5X250 | 8.50 | 200 | 250 | 8.5 | £37.71 | 2 days | |
| DOR-A1258.5X315 | 8.50 | 250 | 310 | 8.5 | £50.62 | 2 days | |
| DOR-A12511/32X250 | 11/32 | 200 | 250 | 8.73 | £36.02 | 2 days | |
| DOR-A12511/32X315 | 11/32 | 250 | 310 | 8.73 | £61.56 | 2 days | |
| DOR-A12511/32X400 | 11/32 | 300 | 400 | 8.73 | £76.15 | 2 days | |
| DOR-A12511/32X500 Viewing | 11/32 | 400 | 460 | 8.73 | £91.20 | 2 days | |
| DOR-A1259.0X250 | 9.00 | 200 | 250 | 9 | £32.65 | 2 days | |
| DOR-A1259.0X315 | 9.00 | 250 | 310 | 9 | £41.59 | 2 days | |
| DOR-A1259.0X400 | 9.00 | 300 | 400 | 9 | £59.74 | 2 days | |
| DOR-A1259.5X250 | 9.50 | 200 | 250 | 9.5 | £39.12 | 2 days | |
| DOR-A1259.5X315 | 9.50 | 250 | 310 | 9.5 | £52.90 | 2 days | |
| DOR-A1253/8X250 | 3/8 | 200 | 250 | 9.52 | £35.57 | 2 days | |
| DOR-A1253/8X315 | 3/8 | 250 | 310 | 9.52 | £45.10 | 2 days | |
| DOR-A1253/8X400 | 3/8 | 300 | 400 | 9.52 | £57.00 | 2 days | |
| DOR-A1253/8X500 | 3/8 | 400 | 460 | 9.52 | £78.43 | 2 days | |
| DOR-A12510.0X250 | 10.00 | 200 | 250 | 10 | £37.57 | 2 days | |
| DOR-A12510.0X315 | 10.00 | 250 | 310 | 10 | £46.51 | 2 days | |
| DOR-A12510.0X400 | 10.00 | 300 | 400 | 10 | £68.86 | 2 days | |
| DOR-A12513/32X250 | 13/32 | 200 | 250 | 10.32 | £46.97 | 2 days | |
| DOR-A12513/32X315 | 13/32 | 250 | 310 | 10.32 | £57.91 | 2 days | |
| DOR-A12510.5X250 | 10.50 | 200 | 250 | 10.5 | £46.97 | 2 days | |
| DOR-A12510.5X315 | 10.50 | 250 | 310 | 10.5 | £60.65 | 2 days | |
| DOR-A12510.5X400 | 10.50 | 300 | 400 | 10.5 | £72.96 | 2 days | |
| DOR-A12511.0X250 | 11.00 | 200 | 250 | 11 | £42.36 | 2 days | |
| DOR-A12511.0X315 | 11.00 | 250 | 310 | 11 | £53.81 | 2 days | |
| DOR-A12511.0X400 | 11.00 | 300 | 400 | 11 | £67.03 | 2 days | |
| DOR-A1257/16X250 | 7/16 | 200 | 250 | 11.11 | £51.98 | 2 days | |
| DOR-A1257/16X315 | 7/16 | 250 | 310 | 11.11 | £65.66 | 2 days | |
| DOR-A1257/16X400 | 7/16 | 300 | 400 | 11.11 | £136.34 | 2 days | |
| DOR-A12529/64X315 | 29/64 | 250 | 310 | 11.51 | £60.65 | 2 days | |
| DOR-A12512.0X250 | 12.00 | 200 | 250 | 12 | £49.70 | 2 days | |
| DOR-A12512.0X315 | 12.00 | 250 | 310 | 12 | £57.91 | 2 days | |
| DOR-A12512.0X400 | 12.00 | 300 | 400 | 12 | £77.98 | 2 days | |
| DOR-A12531/64X315 | 31/64 | 250 | 310 | 12.3 | £60.65 | 2 days | |
| DOR-A1251/2X250 | 1/2 | 200 | 250 | 12.7 | £60.65 | 2 days | |
| DOR-A1251/2X315 | 1/2 | 250 | 310 | 12.7 | £77.06 | 2 days | |
| DOR-A1251/2X400 | 1/2 | 300 | 400 | 12.7 | £101.23 | 2 days | |
| DOR-A12513.0X315 | 13.00 | 250 | 310 | 13 | £62.02 | 2 days | |
| DOR-A12513.0X400 | 13.00 | 300 | 400 | 13 | £78.43 | 2 days | |
| DOR-A12517/32X315 | 17/32 | 250 | 310 | 13.49 | £62.02 | 2 days | |
| DOR-A12514.0X315 | 14.00 | 250 | 310 | 14 | £72.96 | 2 days | |
| DOR-A12514.0X400 | 14.00 | 300 | 400 | 14 | £85.73 | 2 days | |
| DOR-A1259/16X315 | 9/16 | 250 | 310 | 14.29 | £73.42 | 2 days | |
| DOR-A12537/64X315 | 37/64 | 250 | 310 | 14.68 | £73.42 | 2 days | |
| DOR-A12519/32X315 | 19/32 | 250 | 310 | 15.08 | £73.42 | 2 days | |
| DOR-A12519/32X500 | 19/32 | 400 | 460 | 15.08 | £98.50 | 2 days | |
| DOR-A1255/8X315 | 5/8 | 250 | 310 | 15.88 | £73.42 | 2 days | |
| DOR-A1255/8X500 | 5/8 | 400 | 460 | 15.88 | £98.50 | 2 days | |
| DOR-A12511/16X315 | 11/16 | 250 | 310 | 17.46 | £73.42 | 2 days | |
| DOR-A1253/4X315 | 3/4 | 250 | 310 | 19.05 | £74.78 | 2 days | |
| DOR-A1253/4X500 | 3/4 | 400 | 460 | 19.05 | £100.78 | 2 days |
No products match your filters.
