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Dormer Pramet A777 8.70 mm HSS-E STRAIGHT SHANK JOBBER DRILL DIN 338
SKU:DOR-A7778.7
The Dormer Pramet A777 8.70 mm HSS-E Straight Shank Jobber Drill (DIN 338) is a reliable drilling solution for a wide range of metals. Designed for engineers, machinists, builders, and hobbyists,...
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Material Compatibility
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Specification
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| Type | Jobber Drill |
| Drill Diameter | 8.70 |
| Flute Length | 81 |
| Overall Length | 125 |
| Shank Diameter | 8.7 |
| Substrate | HSS-E |
£17.13
Prices shown ex. VAT
2 days estimated lead time
— subject to availability
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Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
The Dormer Pramet A777 8.70 mm HSS-E Straight Shank Jobber Drill (DIN 338) is a reliable drilling solution for a wide range of metals. Designed for engineers, machinists, builders, and hobbyists, it delivers consistent hole quality with everyday ease, making it a smart choice for workshops and job sites.
Featuring a 135-degree split point for self-centering and reduced starting pressure, this drill starts holes precisely where you aim, helping you avoid wander and misalignment. The bronze oxide finish minimizes sticking of workpiece material to the cutting edge, keeping the edge cleaner for longer and improving finish quality. Made from premium HSCO material, it offers versatile performance across steel, aluminium, and stainless steel, while its heavy-duty design stands up to challenging materials and demanding applications.
- 135° split point for self-centering: starts exactly where you point the drill, reducing push force and preventing wandering for faster, more accurate hole locations.
- Bronze oxide finish for smoother cutting: minimizes built-up edge and sticking, helping edges stay sharp longer and producing cleaner hole finishes.
- Premium HSCO material with heavy‑duty design: versatile drilling across steels, aluminium, and stainless steel with a robust construction built for tough, demanding tasks.
This drill delivers dependable, precise performance in a wide range of materials, helping you complete jobs faster with fewer reworks. Its DIN 338 straight shank design ensures compatibility with standard toolholding systems, while the combination of self-centering action, edge protection, and durable construction supports consistent results and long tool life in everyday machining workflows.
| Type | Jobber Drill |
| Drill Diameter | 8.70 |
| Flute Length | 81 |
| Overall Length | 125 |
| Shank Diameter | 8.7 |
| Substrate | HSS-E |
| Coated | No |
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.
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Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Dormer Pramet A777 HSS-E STRAIGHT SHANK JOBBER DRILLS DIN 338
View full collection →You are viewing DOR-A7778.7. Click any other SKU to view its full details.
| Product SKU | Drill Diameter | Flute Length | Overall Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| DOR-A777.3 | 0.30 | 3 | 19 | 0.3 | £9.38 | 2 days | |
| DOR-A777.35 | 0.35 | 4 | 19 | 0.35 | £8.42 | 2 days | |
| DOR-A777.4 | 0.40 | 5 | 20 | 0.4 | £7.83 | 2 days | |
| DOR-A777.45 | 0.45 | 5 | 20 | 0.45 | £7.30 | 2 days | |
| DOR-A777.5 | 0.50 | 6 | 22 | 0.5 | £6.11 | 2 days | |
| DOR-A777.55 | 0.55 | 7 | 24 | 0.55 | £7.83 | 2 days | |
| DOR-A777.6 | 0.60 | 7 | 24 | 0.6 | £6.48 | 2 days | |
| DOR-A777.65 | 0.65 | 8 | 26 | 0.65 | £7.30 | 2 days | |
| DOR-A777.7 | 0.70 | 9 | 28 | 0.7 | £5.84 | 2 days | |
| DOR-A777.8 | 0.80 | 10 | 30 | 0.8 | £5.20 | 2 days | |
| DOR-A777.9 | 0.90 | 11 | 32 | 0.9 | £5.43 | 2 days | |
| DOR-A777.95 | 0.95 | 11 | 32 | 0.95 | £5.70 | 2 days | |
| DOR-A7771.0 | 1.00 | 12 | 34 | 1 | £4.36 | 2 days | |
| DOR-A7771.1 | 1.10 | 14 | 36 | 1.1 | £4.59 | 2 days | |
| DOR-A7771.2 | 1.20 | 16 | 38 | 1.2 | £4.59 | 2 days | |
| DOR-A7771.3 | 1.30 | 16 | 38 | 1.3 | £4.36 | 2 days | |
| DOR-A7771.4 | 1.40 | 18 | 40 | 1.4 | £4.20 | 2 days | |
| DOR-A7771.5 | 1.50 | 18 | 40 | 1.5 | £3.85 | 2 days | |
| DOR-A7771/16 | 1/16 | 20 | 43 | 1.59 | £3.68 | 2 days | |
| DOR-A7771.6 | 1.60 | 20 | 43 | 1.6 | £3.68 | 2 days | |
| DOR-A7771.7 | 1.70 | 20 | 43 | 1.7 | £3.98 | 2 days | |
| DOR-A7771.8 | 1.80 | 22 | 46 | 1.8 | £3.91 | 2 days | |
| DOR-A7771.9 | 1.90 | 22 | 46 | 1.9 | £3.85 | 2 days | |
| DOR-A7775/64 | 5/64 | 24 | 49 | 1.98 | £3.98 | 2 days | |
| DOR-A7772.0 | 2.00 | 24 | 49 | 2 | £3.12 | 2 days | |
| DOR-A7772.1 | 2.10 | 24 | 49 | 2.1 | £3.68 | 2 days | |
| DOR-A7772.2 | 2.20 | 27 | 53 | 2.2 | £3.78 | 2 days | |
| DOR-A7772.3 | 2.30 | 27 | 53 | 2.3 | £3.78 | 2 days | |
| DOR-A7773/32 | 3/32 | 30 | 57 | 2.38 | £3.53 | 2 days | |
| DOR-A7772.4 | 2.40 | 30 | 57 | 2.4 | £3.78 | 2 days | |
| DOR-A7772.5 | 2.50 | 30 | 57 | 2.5 | £3.53 | 2 days | |
| DOR-A7772.6 | 2.60 | 30 | 57 | 2.6 | £3.91 | 2 days | |
| DOR-A7772.7 | 2.70 | 33 | 61 | 2.7 | £3.98 | 2 days | |
| DOR-A7777/64 | 7/64 | 33 | 61 | 2.78 | £3.91 | 2 days | |
| DOR-A7772.8 | 2.80 | 33 | 61 | 2.8 | £3.91 | 2 days | |
| DOR-A7772.9 | 2.90 | 33 | 61 | 2.9 | £3.78 | 2 days | |
| DOR-A7773.0 | 3.00 | 33 | 61 | 3 | £3.53 | 2 days | |
| DOR-A7773.1 | 3.10 | 36 | 65 | 3.1 | £4.12 | 2 days | |
| DOR-A7771/8 | 1/8 | 36 | 65 | 3.18 | £3.53 | 2 days | |
| DOR-A7773.2 | 3.20 | 36 | 65 | 3.2 | £4.06 | 2 days | |
| DOR-A7773.3 | 3.30 | 36 | 65 | 3.3 | £3.68 | 2 days | |
| DOR-A7773.4 | 3.40 | 39 | 70 | 3.4 | £4.20 | 2 days | |
| DOR-A7773.5 | 3.50 | 39 | 70 | 3.5 | £4.30 | 2 days | |
| DOR-A7779/64 | 9/64 | 39 | 70 | 3.57 | £4.50 | 2 days | |
| DOR-A7773.6 | 3.60 | 39 | 70 | 3.6 | £4.50 | 2 days | |
| DOR-A7773.7 | 3.70 | 39 | 70 | 3.7 | £4.30 | 2 days | |
| DOR-A7773.8 | 3.80 | 43 | 75 | 3.8 | £5.05 | 2 days | |
| DOR-A7773.9 | 3.90 | 43 | 75 | 3.9 | £5.05 | 2 days | |
| DOR-A7775/32 | 5/32 | 43 | 75 | 3.97 | £4.59 | 2 days | |
| DOR-A7774.0 | 4.00 | 43 | 75 | 4 | £4.59 | 2 days | |
| DOR-A7774.1 | 4.10 | 43 | 75 | 4.1 | £5.05 | 2 days | |
| DOR-A7774.2 | 4.20 | 43 | 75 | 4.2 | £4.79 | 2 days | |
| DOR-A7774.3 | 4.30 | 47 | 80 | 4.3 | £5.70 | 2 days | |
| DOR-A77711/64 | 11/64 | 47 | 80 | 4.37 | £5.43 | 2 days | |
| DOR-A7774.4 | 4.40 | 47 | 80 | 4.4 | £5.43 | 2 days | |
| DOR-A7774.5 | 4.50 | 47 | 80 | 4.5 | £5.43 | 2 days | |
| DOR-A7774.6 | 4.60 | 47 | 80 | 4.6 | £5.70 | 2 days | |
| DOR-A7774.7 | 4.70 | 47 | 80 | 4.7 | £5.64 | 2 days | |
| DOR-A7773/16 | 3/16 | 52 | 86 | 4.76 | £5.05 | 2 days | |
| DOR-A7774.8 | 4.80 | 52 | 86 | 4.8 | £5.91 | 2 days | |
| DOR-A7774.9 | 4.90 | 52 | 86 | 4.9 | £5.78 | 2 days | |
| DOR-A7775.0 | 5.00 | 52 | 86 | 5 | £5.70 | 2 days | |
| DOR-A7775.1 | 5.10 | 52 | 86 | 5.1 | £6.48 | 2 days | |
| DOR-A77713/64 | 13/64 | 52 | 86 | 5.16 | £6.55 | 2 days | |
| DOR-A7775.2 | 5.20 | 52 | 86 | 5.2 | £6.66 | 2 days | |
| DOR-A7775.3 | 5.30 | 52 | 86 | 5.3 | £6.73 | 2 days | |
| DOR-A7775.4 | 5.40 | 57 | 93 | 5.4 | £7.20 | 2 days | |
| DOR-A7775.5 | 5.50 | 57 | 93 | 5.5 | £7.52 | 2 days | |
| DOR-A7777/32 | 7/32 | 57 | 93 | 5.56 | £6.23 | 2 days | |
| DOR-A7775.6 | 5.60 | 57 | 93 | 5.6 | £7.98 | 2 days | |
| DOR-A7775.7 | 5.70 | 57 | 93 | 5.7 | £8.21 | 2 days | |
| DOR-A7775.8 | 5.80 | 57 | 93 | 5.8 | £8.21 | 2 days | |
| DOR-A7775.9 | 5.90 | 57 | 93 | 5.9 | £8.16 | 2 days | |
| DOR-A77715/64 | 15/64 | 57 | 93 | 5.95 | £8.60 | 2 days | |
| DOR-A7776.0 | 6.00 | 57 | 93 | 6 | £7.37 | 2 days | |
| DOR-A7776.1 | 6.10 | 63 | 101 | 6.1 | £8.60 | 2 days | |
| DOR-A7776.2 | 6.20 | 63 | 101 | 6.2 | £8.60 | 2 days | |
| DOR-A7776.3 | 6.30 | 63 | 101 | 6.3 | £8.66 | 2 days | |
| DOR-A7771/4 | 1/4 | 63 | 101 | 6.35 | £8.10 | 2 days | |
| DOR-A7776.4 | 6.40 | 63 | 101 | 6.4 | £8.80 | 2 days | |
| DOR-A7776.5 | 6.50 | 63 | 101 | 6.5 | £9.20 | 2 days | |
| DOR-A7776.6 | 6.60 | 63 | 101 | 6.6 | £9.67 | 2 days | |
| DOR-A7776.7 | 6.70 | 63 | 101 | 6.7 | £9.94 | 2 days | |
| DOR-A77717/64 | 17/64 | 69 | 109 | 6.75 | £9.94 | 2 days | |
| DOR-A7776.8 | 6.80 | 69 | 109 | 6.8 | £9.94 | 2 days | |
| DOR-A7776.9 | 6.90 | 69 | 109 | 6.9 | £11.04 | 2 days | |
| DOR-A7777.0 | 7.00 | 69 | 109 | 7 | £10.52 | 2 days | |
| DOR-A7777.1 | 7.10 | 69 | 109 | 7.1 | £11.43 | 2 days | |
| DOR-A7779/32 | 9/32 | 69 | 109 | 7.14 | £11.04 | 2 days | |
| DOR-A7777.2 | 7.20 | 69 | 109 | 7.2 | £10.93 | 2 days | |
| DOR-A7777.3 | 7.30 | 69 | 109 | 7.3 | £11.17 | 2 days | |
| DOR-A7777.4 | 7.40 | 69 | 109 | 7.4 | £12.25 | 2 days | |
| DOR-A7777.5 | 7.50 | 69 | 109 | 7.5 | £11.17 | 2 days | |
| DOR-A77719/64 | 19/64 | 75 | 117 | 7.54 | £12.62 | 2 days | |
| DOR-A7777.6 | 7.60 | 75 | 117 | 7.6 | £12.71 | 2 days | |
| DOR-A7777.7 | 7.70 | 75 | 117 | 7.7 | £12.62 | 2 days | |
| DOR-A7777.8 | 7.80 | 75 | 117 | 7.8 | £13.21 | 2 days | |
| DOR-A7777.9 | 7.90 | 75 | 117 | 7.9 | £13.45 | 2 days | |
| DOR-A7775/16 | 5/16 | 75 | 117 | 7.94 | £12.18 | 2 days | |
| DOR-A7778.0 | 8.00 | 75 | 117 | 8 | £12.34 | 2 days | |
| DOR-A7778.1 | 8.10 | 75 | 117 | 8.1 | £14.14 | 2 days | |
| DOR-A7778.2 | 8.20 | 75 | 117 | 8.2 | £13.54 | 2 days | |
| DOR-A7778.3 | 8.30 | 75 | 117 | 8.3 | £13.82 | 2 days | |
| DOR-A77721/64 | 21/64 | 75 | 117 | 8.33 | £16.51 | 2 days | |
| DOR-A7778.4 | 8.40 | 75 | 117 | 8.4 | £14.50 | 2 days | |
| DOR-A7778.5 | 8.50 | 75 | 117 | 8.5 | £14.04 | 2 days | |
| DOR-A7778.6 | 8.60 | 81 | 125 | 8.6 | £16.67 | 2 days | |
| DOR-A7778.7 Viewing | 8.70 | 81 | 125 | 8.7 | £17.13 | 2 days | |
| DOR-A77711/32 | 13/32 | 81 | 125 | 8.73 | £13.62 | 2 days | |
| DOR-A7778.8 | 8.80 | 81 | 125 | 8.8 | £16.51 | 2 days | |
| DOR-A7778.9 | 8.90 | 81 | 125 | 8.9 | £17.65 | 2 days | |
| DOR-A7779.0 | 9.00 | 81 | 125 | 9 | £16.31 | 2 days | |
| DOR-A7779.1 | 9.10 | 81 | 125 | 9.1 | £17.65 | 2 days | |
| DOR-A77723/64 | 23/64 | 81 | 125 | 9.13 | £18.04 | 2 days | |
| DOR-A7779.2 | 9.20 | 81 | 125 | 9.2 | £18.77 | 2 days | |
| DOR-A7779.3 | 9.30 | 81 | 125 | 9.3 | £18.09 | 2 days | |
| DOR-A7779.4 | 9.40 | 81 | 125 | 9.4 | £18.88 | 2 days | |
| DOR-A7779.5 | 9.50 | 81 | 125 | 9.5 | £17.72 | 2 days | |
| DOR-A7773/8 | 3/8 | 87 | 133 | 9.52 | £17.72 | 2 days | |
| DOR-A7779.6 | 9.60 | 87 | 133 | 9.6 | £19.46 | 2 days | |
| DOR-A7779.7 | 9.70 | 87 | 133 | 9.7 | £20.23 | 2 days | |
| DOR-A7779.8 | 9.80 | 87 | 133 | 9.8 | £20.46 | 2 days | |
| DOR-A7779.9 | 9.90 | 87 | 133 | 9.9 | £20.93 | 2 days | |
| DOR-A77725/64 | 25/64 | 87 | 133 | 9.92 | £22.15 | 2 days | |
| DOR-A77710.0 | 10.00 | 87 | 133 | 10 | £19.36 | 2 days | |
| DOR-A77710.1 | 10.10 | 87 | 133 | 10.1 | £25.49 | 2 days | |
| DOR-A77710.2 | 10.20 | 87 | 133 | 10.2 | £24.67 | 2 days | |
| DOR-A77713/32 | 13/32 | 87 | 133 | 10.32 | £21.05 | 2 days | |
| DOR-A77710.5 | 10.50 | 87 | 133 | 10.5 | £24.99 | 2 days | |
| DOR-A77727/64 | 27/64 | 94 | 142 | 10.72 | £25.49 | 2 days | |
| DOR-A77710.8 | 10.80 | 94 | 142 | 10.8 | £30.64 | 2 days | |
| DOR-A77711.0 | 11.00 | 94 | 142 | 11 | £28.73 | 2 days | |
| DOR-A7777/16 | 7/16 | 94 | 142 | 11.11 | £22.57 | 2 days | |
| DOR-A77711.2 | 11.20 | 94 | 142 | 11.2 | £34.61 | 2 days | |
| DOR-A77711.5 | 11.50 | 94 | 142 | 11.5 | £30.64 | 2 days | |
| DOR-A77729/64 | 29/64 | 94 | 142 | 11.51 | £29.23 | 2 days | |
| DOR-A77711.8 | 11.80 | 94 | 142 | 11.8 | £38.67 | 2 days | |
| DOR-A77715/32 | 15/32 | 101 | 151 | 11.91 | £32.15 | 2 days | |
| DOR-A77712.0 | 12.00 | 101 | 151 | 12 | £33.38 | 2 days | |
| DOR-A77712.2 | 12.20 | 101 | 151 | 12.2 | £46.51 | 2 days | |
| DOR-A77731/64 | 31/64 | 101 | 151 | 12.3 | £38.35 | 2 days | |
| DOR-A77712.5 | 12.50 | 101 | 151 | 12.5 | £36.43 | 2 days | |
| DOR-A7771/2 | 1/2 | 101 | 151 | 12.7 | £37.62 | 2 days | |
| DOR-A77712.8 | 12.80 | 101 | 151 | 12.8 | £51.98 | 2 days | |
| DOR-A77713.0 | 13.00 | 101 | 151 | 13 | £39.67 | 2 days | |
| DOR-A77713.5 | 13.50 | 108 | 160 | 13.5 | £55.18 | 2 days | |
| DOR-A77714.0 | 14.00 | 108 | 160 | 14 | £56.09 | 2 days | |
| DOR-A77714.5 | 14.50 | 114 | 169 | 14.5 | £66.58 | 2 days | |
| DOR-A77715.0 | 15.00 | 114 | 169 | 15 | £68.86 | 2 days | |
| DOR-A77715.5 | 15.50 | 120 | 178 | 15.5 | £78.89 | 2 days | |
| DOR-A77716.0 | 16.00 | 120 | 178 | 16 | £81.17 | 2 days |
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