An indoor thumbturn lock, the kind that's often found inside a bathroom or a toilet door, made from solid metal. This is a solid knob with B+P signature diamond-cut knurled detailing that is pleasing to the touch. Can be teamed with matching door lever handles.

Use: interior doors

Fixings: Screw fixings (included for 38mm)

Lock: Recommended locks below*

Rose: Pair of concealed fixing roses - slim profile, clip fit.

Box includes: 1 x pair of thumb turn locks, 1 x square bar & screw fixings.

Please check the tech spec (diagramatic image attached) to check dimensions

Thumbturn Lock

Buster & Punch


Lead time usually up to 2 weeks.

Due to the bespoke nature of some of the items we supply, goods are often made to order by the manufacturers and consequently cannot be returned. These will be marked Made to Order on the product page clearly (under the buy it now button).  If you have questions or concerns about your specific item, please get in touch with us at

Unfortunately, we cannot accept returns on sale items or gift cards. If we have not answered your question here, please contact us at