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How to fit an ABUS door bolt

Updated: October 2026

You have the bolt, a screwdriver, and a timber door that already closes. How to fit an ABUS door bolt is a flush-face job before it is a screw job: where the bar must shoot, how long the screws may be, and when to stop if the door is plastic, rotten, or the only way out. This is the timber sequence, not a uPVC pattern. Shelf prices are on the [ABUS door bolt comparison](/hub/door-and-window-security/abus-door-bolt). Which bolt you bought is on the [buying guide](/hub/door-and-window-security/abus-door-bolt/sub/abus-door-bolt-buying-guide). Peter F. used the review record, updated 19 October 2026. This is not a fit on a customer's door. A qualifying purchase can earn a commission at no extra cost to you.

You have the bolt, a screwdriver, and a timber door that already closes.

Our top picks

ABUS ABUS SR30 slide bolt, white

Best overall

ABUS ABUS SR30 slide bolt, white
9.2/10about £20.13
View offer
ABUS ABUS 60 mm door bolt, matt nickel

Rank 2

ABUS ABUS 60 mm door bolt, matt nickel
8.8/10about £7.39
View offer
ABUS ABUS SR40 brass door bolt, 40 mm

Best value

ABUS ABUS SR40 brass door bolt, 40 mm
8.2/10about £3.99
View offer
On this page
  1. 1.Check the door before you drill
  2. 2.Fix the bolt and the keep
  3. 3.Screws and covers
  4. 4.When to stop

Check the door before you drill

Close the door and look along the edge where the bolt meets the frame. A straight bolt shoots only if those faces are on one plane. If the frame stands proud, the keep sits in mid-air or the bar hits the stop. Cardboard packing will not fix that. These listings are not cranked. A few millimetres of step is what the SR30 spacer plates are for. A centimetre of proud timber is not. Put the bolt on a rail a hand can reach, not in a thin panel. If this leaf is the only way out, stop: these bolts have no outside release. Mark door and frame together, with the door latched, so the keep is not 5 mm low. A narrow stile may suit the SR30 case, about 3.9 × 5.9 cm. If you are unsure which listing you are holding, the best ABUS door bolt page separates them.

Fix the bolt and the keep

Pilot the holes with a bit narrower than the shank, and stop before you break through a thin door. Hold the bolt on the pencil line, slide the bar across the joint without it rising, and only then drive the screws. The keep belongs where the bar enters with the door fully closed. If you have to lean on the door, move the keep. Do not file the keep as a first resort. On the SR30, learn how the caps come off before the screws are tight. They are stiff, and a screwdriver will mark the paint. Try one spacer plate with the door closed, and add another only if the bar still misses. The SR40 and the 60 mm bolt are open. Match the longer SR40 screws to the thicker timber, and check the threaded knob after the first slide.
ABUS ABUS SR30 slide bolt, white

Testsieger

ABUS ABUS SR30 slide bolt, white
9.2/10about £20.13
View offer

Screws and covers

On the SR30, reviewers call the supplied screws a bit long, and one stripped in hard timber. If a point is about to break the inside face, stop and use a shorter screw of the same gauge that still bites. Snapping the point off leaves a blunt end. On a panel door, hit the rail, not the hollow. If a head strips, back the screw out while some drive remains. One SR40 pack arrived open with the screws missing. That is a return, not a prompt to raid a mixed tin.

When to stop

If the door is plastic, stop and use the uPVC and patio page. A screw into the steel or the lock strip is how those doors get written off. Call a locksmith or a joiner when the frame is rotten, when the insurer has named a standard these bolts do not meet, or when the only escape would depend on this bolt. These keeps are surface keeps. Recessing one changes the shoot. The bar should slide with the door closed. If it only shoots when you push the leaf sideways, the keep is still wrong.

Common questions

Where on the door should an ABUS bolt go?
Put it where the bar crosses onto solid frame, at a height the people who use the room can reach. A rail is a better screw hold than the middle of a panel. Avoid the only exit, and avoid a bathroom if nobody outside can release the door. The SR30's small case suits a narrow stile better than a long tower bolt does.
What if the frame is proud of the door?
Do not fit these straight bolts. The SR30 spacer plates are for a small depth difference, tried one at a time with the door closed. A frame that stands proud needs a cranked bolt, which is not what these three listings are. Packing the keep until the bar sort of enters will work loose.
Should I shorten the screws?
Only if the supplied screw is about to burst through, and only by choosing a shorter screw of the same gauge that still bites. On the SR30, long screws are a repeated review comment. On the SR40, the mixed lengths should be sorted, not all shortened. A screw that is too short in the frame keep is as useless as one that comes through the door.
How do the SR30 spacer plates get used?
They pack the case or the strike when the door leaf and the frame are not the same depth. Fit the bolt on the pencil line, close the door, and add a plate only if the bar misses the strike. The cover goes on after the screws are in. Reviewers find that cover stiff, so learn how it clips off before the bolt is on the paint.
What if I only have one way out of the room?
Do not fit a bolt that the household cannot open, and do not fit one on the only exit if anyone may be left inside. Barrel bolts stick, and they have no outside release. If the room needs privacy, use a bolt or a lock that someone on the landing can undo. If the door is a final exit, the bolt is the wrong product.

Related pages

Additional door lock

ABUS door bolt

Best ABUS door bolt: a compact extra or small spend

ABUS door bolt buying guide: length and flush faces

ABUS SR30 vs SR40: covered £20 bolt or 40 mm brass

How an ABUS door bolt fits on a uPVC or patio door

Sources

Public UK and manufacturer sources from the research digest, used for this page in October 2026. Prices, stars and review counts are the amazon.co.uk figures in this comparison. ABUS security level 3 is not treated as a British Standard.

  1. ABUS SR30 page (retrieved 19 October 2026)
  2. ABUS SR30 datasheet (retrieved 19 October 2026)
  3. Police.uk: door and window locks (retrieved 19 October 2026)
  4. West Yorkshire Police: door and window advice (retrieved 19 October 2026)
  5. BSI: BS 3621 scope (retrieved 19 October 2026)
  6. Master Locksmiths Association: minimum security, January 2025 (retrieved 19 October 2026)
  7. Secured by Design: locks and associated hardware (retrieved 19 October 2026)
  8. Suffolk Latch Company: choosing a door bolt (retrieved 19 October 2026)