Skip to content
Contact About Us Help Guides & Information Trade Accounts
⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
Authorised stockist · Locks & ironmongery · est. 1921
Master Lock at
Rock Bottom.

Tough under fire. Master Lock built the first laminated steel padlock in 1921 and has been the padlock most people picture ever since.

Shop all Master Lock (169)Today’s deals
  • Order online, collect today
  • Trade prices with an account
  • Free delivery over £85
  • In store at 2 Ashburnham Road
169Master Lock products
5categories
8new lines
★ 4.4Google rating
New in

New in from Master Lock

The latest lines to land on the shelf and the website.

NewMaster Lock 5482EURD Select Access® Flexible Shackle Key Lock Box Master Lock 5482EURD Select Access® Flexible Shackle Key Lock …£38.49NewMaster Lock Spider Bungee 80cm Master Lock Spider Bungee 80cm£8.99NewMaster Lock Medium Cash Box with Keyed Lock Master Lock Medium Cash Box with Keyed Lock£37.99NewMaster Lock Aluminium 50mm Padlock 5-Pin - 64mm Shackle Master Lock Aluminium 50mm Padlock 5-Pin - 64mm Shackle£14.49NewMaster Lock Small Cash Box with Keyed Lock Master Lock Small Cash Box with Keyed Lock£26.49NewMaster Lock Aluminium Black Vinyl Cover 40mm Padlock 4-Pin - Keyed Alike x 2 Master Lock Aluminium Black Vinyl Cover 40mm Padlock 4-Pin - K…£20.99NewMaster Lock Lockout Padlock with Flexible Braided Steel Cable Shackle Master Lock Lockout Padlock with Flexible Braided Steel Cable …£12.49NewMaster Lock Aluminium 40mm Padlock 4-Pin - Keyed Alike x 4 Master Lock Aluminium 40mm Padlock 4-Pin - Keyed Alike x 4£30.49
Shop by category

Master Lock, sorted.

Every Master Lock line we carry, split the way you look for it.

Padlocks and Hasp & Staples

98 products

Home Security

22 products

Lockout Products

22 products

Vehicle Security

16 products

Manual Handling

11 products
Featured ranges

Start with the big ones.

PadlocksKey safesEverything Master Lock →
Best sellers

What Northampton buys.

The Master Lock lines that go out of the door most.

Master Lock 5482EURD Select Access® Flexible Shackle Key Lock Box Master Lock 5482EURD Select Access® Flexible Shackle Key Lock …£38.49Master Lock Spider Bungee 80cm Master Lock Spider Bungee 80cm£8.99Master Lock Medium Cash Box with Keyed Lock Master Lock Medium Cash Box with Keyed Lock£37.99Master Lock Aluminium 50mm Padlock 5-Pin - 64mm Shackle Master Lock Aluminium 50mm Padlock 5-Pin - 64mm Shackle£14.49Master Lock Small Cash Box with Keyed Lock Master Lock Small Cash Box with Keyed Lock£26.49Master Lock Lockout Padlock with Flexible Braided Steel Cable Shackle Master Lock Lockout Padlock with Flexible Braided Steel Cable …£12.49Master Lock Aluminium Black Vinyl Cover 40mm Padlock 4-Pin - Keyed Alike x 2 Master Lock Aluminium Black Vinyl Cover 40mm Padlock 4-Pin - K…£20.99

See all 169 Master Lock products →

The brand

Master Lock since 1921.

Master Lock built the first laminated steel padlock in 1921 and has been the padlock most people picture ever since. Padlocks, key safes and lockout kits.

Why buy Master Lock from us

  • In stock, in storeSee it, hold it, take it home today from 2 Ashburnham Road.
  • Trade prices without the hagglingA free trade account applies your prices automatically.
  • Honest adviceStaff who use the tools and can tell you which one you actually need.
  • Delivered or collectedFree UK delivery over £85, our own van locally, or click and collect.
Good to know

Master Lock questions.

Is Rock Bottom an authorised Master Lock stockist?

Yes. We buy Master Lock through the official UK distribution, so everything carries the full manufacturer guarantee. Keep your receipt for warranty claims.

Can I get trade prices on Master Lock?

Open a free trade account and trade pricing is applied automatically online and at the till, with extra off the brands you buy most. Apply here.

How quickly can I get Master Lock products?

Anything in stock at 2 Ashburnham Road can be collected the same day. We deliver nationwide, and our own van covers Northampton and the surrounding area for bulky items.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare