Dispatch Hours
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
- Mon – Thurs8:00 – 17:00
- Friday8:00 – 16:30
- Sat & SunClosed
Dormer Pramet
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Authorised UK Distributor
Dormer Pramet A321 HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILLS
The Dormer Pramet A321 HSS ST/BR Tri-Flat Shank Intermediate Length Mechanics Drill is a versatile high-speed steel (HSS) drill designed for strength, durability, and precision. Featuring a tri-flat shank, it ensures a secure grip in drill chucks, minimizing slippage during operation. The intermediate length offers a balance of rigidity and reach, making it ideal for general-purpose drilling tasks. With a polished finish for reduced friction and improved chip evacuation, this mechanics drill is suitable for a variety of materials, including steels and non-ferrous metals. Perfect for engineers and machinists seeking reliability and efficiency.
Browse all 33 products
Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| DOR-A3213.0 | 3.00 | 37 | 64 | 3 | £1.09 | 2 days |
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| DOR-A3213.3 | 3.30 | 40 | 67 | 3.3 | £1.12 | 2 days |
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| DOR-A3213.4 | 3.40 | 40 | 67 | 3.4 | £1.28 | 2 days |
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| DOR-A3213.5 | 3.50 | 40 | 67 | 3.5 | £1.32 | 2 days |
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| DOR-A3214.0 | 4.00 | 47 | 74 | 4 | £1.40 | 2 days |
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| DOR-A3214.1 | 4.10 | 47 | 74 | 4.1 | £1.55 | 2 days |
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| DOR-A3214.2 | 4.20 | 47 | 74 | 4.2 | £1.47 | 2 days |
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| DOR-A3214.3 | 4.30 | 47 | 74 | 4.3 | £1.75 | 2 days |
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| DOR-A3214.5 | 4.50 | 49 | 77 | 4.5 | £1.67 | 2 days |
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| DOR-A3214.9 | 4.90 | 50 | 80 | 4.9 | £1.76 | 2 days |
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| DOR-A3215.0 | 5.00 | 50 | 80 | 5 | £1.75 | 2 days |
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| DOR-A3215.1 | 5.10 | 50 | 80 | 5.1 | £1.99 | 2 days |
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| DOR-A3215.3 | 5.30 | 52 | 84 | 5.3 | £2.05 | 2 days |
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| DOR-A3215.5 | 5.50 | 52 | 84 | 5.5 | £2.31 | 2 days |
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| DOR-A3216.0 | 6.00 | 52 | 90 | 6 | £2.26 | 2 days |
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| DOR-A3216.3 | 6.30 | 52 | 90 | 6.3 | £2.66 | 2 days |
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| DOR-A3216.5 | 6.50 | 55 | 93 | 6.5 | £2.83 | 2 days |
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| DOR-A3216.8 | 6.80 | 59 | 97 | 6.8 | £3.06 | 2 days |
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| DOR-A3217.0 | 7.00 | 59 | 97 | 7 | £3.22 | 2 days |
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| DOR-A3217.3 | 7.30 | 62 | 100 | 7.3 | £3.42 | 2 days |
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| DOR-A3217.5 | 7.50 | 62 | 100 | 7.5 | £3.42 | 2 days |
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| DOR-A3218.0 | 8.00 | 67 | 105 | 8 | £3.77 | 2 days |
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| DOR-A3218.5 | 8.50 | 68 | 107 | 8.5 | £4.32 | 2 days |
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| DOR-A3219.0 | 9.00 | 70 | 108 | 9 | £5.00 | 2 days |
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| DOR-A3219.5 | 9.50 | 70 | 110 | 9.5 | £5.44 | 2 days |
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| DOR-A32110.0 | 10.00 | 74 | 113 | 10 | £5.94 | 2 days |
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| DOR-A32110.3 | 10.30 | 74 | 113 | 10.3 | £7.87 | 2 days |
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| DOR-A32110.5 | 10.50 | 75 | 115 | 10.5 | £7.66 | 2 days |
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| DOR-A32111.0 | 11.00 | 77 | 117 | 11 | £8.82 | 2 days |
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| DOR-A32111.5 | 11.50 | 79 | 120 | 11.5 | £9.39 | 2 days |
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| DOR-A32112.0 | 12.00 | 85 | 126 | 12 | £10.23 | 2 days |
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| DOR-A32112.5 | 12.50 | 88 | 130 | 12.5 | £11.16 | 2 days |
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| DOR-A32113.0 | 13.00 | 88 | 130 | 13 | £12.13 | 2 days |
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Built around the way engineers work
Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
UK Delivery
FREE next day delivery on mainland UK orders over £50 ex VAT
| Service | Cost |
|---|---|
| Royal Mail Tracked 24 | £5.90 |
| DPD Standard Next Day | £8.00 |
| Royal Mail Special Delivery by 1pm | £12.50 |
| DPD Saturday Delivery | £25.00 |
Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.
Easy Returns
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Need Technical Help?
Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.ukMon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30
