Please log in here to access all benefits, including promotional discounts and faster checkouts.

Dormer Pramet A321 6.30 mm HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILL

Dormer Pramet A321 6.30 mm HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILL

SKU:DOR-A3216.3

Meet the Dormer Pramet A321 6.30 mm HSS Tri-Flat Shank Intermediate Length Mechanics Drill—a versatile high-speed steel drill built for strength, durability, and precision in everyday workshop ta... Read more ↓
P
M
K
N
S
TypeIntermediate Drill
Drill Diameter6.30
Flute Length52
Overall Length90
View all specifications ↓
£2.81
Prices shown ex. VAT
2 days estimated lead time — subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Meet the Dormer Pramet A321 6.30 mm HSS Tri-Flat Shank Intermediate Length Mechanics Drill—a versatile high-speed steel drill built for strength, durability, and precision in everyday workshop tasks. Its design supports reliable performance across a range of materials, making it a dependable choice for engineers, machinists, technicians, and hobbyists alike.

Its tri-flat shank provides a secure grip in drill chucks, minimizing slippage during operation. The intermediate length offers a balanced mix of rigidity and reach for general-purpose drilling, while a polished finish reduces friction and improves chip evacuation for cleaner, more consistent holes in steels and non-ferrous metals.

  • Tri-Flat Shank for Secure Chuck Grip: Three flat surfaces grip the chuck securely, reducing slip and helping maintain hole size during longer or tougher drilling tasks.
  • Intermediate Length for Rigidity and Reach: A balanced length that stays stiff in the cut while giving enough reach for accessibility, enhancing accuracy across a variety of jobs.
  • Polished Finish for Smooth Cutting and Chip Evacuation: The polished surface reduces friction and aids chip removal, contributing to cooler operation and longer drill life on multiple materials.

Designed for reliability in real-world use, the A321 mechanics drill delivers consistent performance, enabling faster workflows, fewer tool changes, and better hole quality across steels and non-ferrous metals. Whether in a production setting, a maintenance shop, or a DIY project, this drill helps you complete tasks with confidence and efficiency.

Part Numbers

Protool Part Number
DOR-A3216.3
Brand
Dormer Pramet
Category
Drill
No downloads are attached to this product yet.
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: Dormer Pramet A321 HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILLS

View full collection →

You are viewing DOR-A3216.3. Click any other SKU to view its full details.

Product SKUDrill DiameterFlute LengthOverall LengthShank DiameterPriceStock Order
DOR-A3213.0 3.0037643£1.16 2 days
DOR-A3213.3 3.3040673.3£1.19 2 days
DOR-A3213.4 3.4040673.4£1.35 2 days
DOR-A3213.5 3.5040673.5£1.40 2 days
DOR-A3214.0 4.0047744£1.47 2 days
DOR-A3214.1 4.1047744.1£1.64 2 days
DOR-A3214.2 4.2047744.2£1.55 2 days
DOR-A3214.3 4.3047744.3£1.84 2 days
DOR-A3214.5 4.5049774.5£1.76 2 days
DOR-A3214.9 4.9050804.9£1.87 2 days
DOR-A3215.0 5.0050805£1.84 2 days
DOR-A3215.1 5.1050805.1£2.10 2 days
DOR-A3215.3 5.3052845.3£2.17 2 days
DOR-A3215.5 5.5052845.5£2.45 2 days
DOR-A3216.0 6.0052906£2.40 2 days
DOR-A3216.3 Viewing6.3052906.3£2.81 2 days
DOR-A3216.5 6.5055936.5£2.98 2 days
DOR-A3216.8 6.8059976.8£3.22 2 days
DOR-A3217.0 7.0059977£3.40 2 days
DOR-A3217.3 7.30621007.3£3.62 2 days
DOR-A3217.5 7.50621007.5£3.62 2 days
DOR-A3218.0 8.00671058£4.00 2 days
DOR-A3218.5 8.50681078.5£4.56 2 days
DOR-A3219.0 9.00701089£5.29 2 days
DOR-A3219.5 9.50701109.5£5.75 2 days
DOR-A32110.0 10.007411310£6.29 2 days
DOR-A32110.3 10.307411310.3£8.33 2 days
DOR-A32110.5 10.507511510.5£8.10 2 days
DOR-A32111.0 11.007711711£9.33 2 days
DOR-A32111.5 11.507912011.5£9.94 2 days
DOR-A32112.0 12.008512612£10.84 2 days
DOR-A32112.5 12.508813012.5£11.80 2 days
DOR-A32113.0 13.008813013£12.83 2 days

Other sizes in this range

with tools we think you'll like
All 33 →