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Dormer Pramet A321 5.00 mm HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILL
| Type | Intermediate Drill |
| Drill Diameter | 5.00 |
| Flute Length | 50 |
| Overall Length | 80 |
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Description
Meet the Dormer Pramet A321 HSS Tri-Flat Shank Intermediate Length Mechanics Drill — a general‑purpose drill built for reliable holemaking across metals. Designed for engineers, machinists, tradespeople, and hobbyists, it delivers steady performance and precision in everyday drilling tasks.
Its tri-flat shank provides a secure chuck grip and minimizes slipping, while the intermediate length offers the right balance of rigidity and reach for accurate holes in a variety of workpieces. A polished finish reduces friction and aids chip evacuation, helping you maintain smooth cutting action when drilling steels and non‑ferrous metals.
- Tri-Flat Shank for Secure Grip: Ensures a locked, slip‑free connection in the drill chuck for consistent hole location and reduced wandering during operation.
- Intermediate Length for Rigidity and Reach: Balances stiffness with reach, minimizing deflection and improving hole accuracy in a range of setups and materials.
- Polished Finish for Friction Reduction: Smooth surface lowers heat and friction, aids chip evacuation, and supports clean, fast drilling across steels and non‑ferrous metals.
This drill combines robust HSS cutting performance with practical design features that help you work more efficiently. The A321 is well suited for routine maintenance, fabrication, and general mechanical drilling, delivering repeatable results with less rework. Equip your shop with a trusted mechanics drill that supports steady throughput and reliable hole quality across a variety of projects.
Part Numbers
- Protool Part Number
- DOR-A3215.0
- 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 A321 HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILLS
View full collection →You are viewing DOR-A3215.0. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| DOR-A3213.0 | 3.00 | 37 | 64 | 3 | £1.16 | 2 days | |
| DOR-A3213.3 | 3.30 | 40 | 67 | 3.3 | £1.19 | 2 days | |
| DOR-A3213.4 | 3.40 | 40 | 67 | 3.4 | £1.35 | 2 days | |
| DOR-A3213.5 | 3.50 | 40 | 67 | 3.5 | £1.40 | 2 days | |
| DOR-A3214.0 | 4.00 | 47 | 74 | 4 | £1.47 | 2 days | |
| DOR-A3214.1 | 4.10 | 47 | 74 | 4.1 | £1.64 | 2 days | |
| DOR-A3214.2 | 4.20 | 47 | 74 | 4.2 | £1.55 | 2 days | |
| DOR-A3214.3 | 4.30 | 47 | 74 | 4.3 | £1.84 | 2 days | |
| DOR-A3214.5 | 4.50 | 49 | 77 | 4.5 | £1.76 | 2 days | |
| DOR-A3214.9 | 4.90 | 50 | 80 | 4.9 | £1.87 | 2 days | |
| DOR-A3215.0 Viewing | 5.00 | 50 | 80 | 5 | £1.84 | 2 days | |
| DOR-A3215.1 | 5.10 | 50 | 80 | 5.1 | £2.10 | 2 days | |
| DOR-A3215.3 | 5.30 | 52 | 84 | 5.3 | £2.17 | 2 days | |
| DOR-A3215.5 | 5.50 | 52 | 84 | 5.5 | £2.45 | 2 days | |
| DOR-A3216.0 | 6.00 | 52 | 90 | 6 | £2.40 | 2 days | |
| DOR-A3216.3 | 6.30 | 52 | 90 | 6.3 | £2.81 | 2 days | |
| DOR-A3216.5 | 6.50 | 55 | 93 | 6.5 | £2.98 | 2 days | |
| DOR-A3216.8 | 6.80 | 59 | 97 | 6.8 | £3.22 | 2 days | |
| DOR-A3217.0 | 7.00 | 59 | 97 | 7 | £3.40 | 2 days | |
| DOR-A3217.3 | 7.30 | 62 | 100 | 7.3 | £3.62 | 2 days | |
| DOR-A3217.5 | 7.50 | 62 | 100 | 7.5 | £3.62 | 2 days | |
| DOR-A3218.0 | 8.00 | 67 | 105 | 8 | £4.00 | 2 days | |
| DOR-A3218.5 | 8.50 | 68 | 107 | 8.5 | £4.56 | 2 days | |
| DOR-A3219.0 | 9.00 | 70 | 108 | 9 | £5.29 | 2 days | |
| DOR-A3219.5 | 9.50 | 70 | 110 | 9.5 | £5.75 | 2 days | |
| DOR-A32110.0 | 10.00 | 74 | 113 | 10 | £6.29 | 2 days | |
| DOR-A32110.3 | 10.30 | 74 | 113 | 10.3 | £8.33 | 2 days | |
| DOR-A32110.5 | 10.50 | 75 | 115 | 10.5 | £8.10 | 2 days | |
| DOR-A32111.0 | 11.00 | 77 | 117 | 11 | £9.33 | 2 days | |
| DOR-A32111.5 | 11.50 | 79 | 120 | 11.5 | £9.94 | 2 days | |
| DOR-A32112.0 | 12.00 | 85 | 126 | 12 | £10.84 | 2 days | |
| DOR-A32112.5 | 12.50 | 88 | 130 | 12.5 | £11.80 | 2 days | |
| DOR-A32113.0 | 13.00 | 88 | 130 | 13 | £12.83 | 2 days |
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