







Buster + Punch Door Knob Set - Cast

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Rated five stars by thousands of customers since 2014 - see our full review history here
A Cast Door Knob For Internal Doors
A pair of unsprung door knobs in solid metal, with the rough cast detail that Buster + Punch is known for. Each cast piece is slightly different, so no two knobs are quite identical. They work on all internal doors and combine with the matching door accessories.
Choose Your Finish
Brass is warm and ages naturally, Smoked Bronze is a deep, darker metal, Steel is bright and neutral, and Welders Black is a matt dark finish for a graphic look.
How It Works
The knobs come as a pair with an architectural 4mm thick rose, an 8mm square spindle and two through bolts. The rose suits UK latches with 38mm centre distance, Swedish latches with 30mm and US and Australian latches with 41.5mm, and works with tubular latches or mortise locks.
Where It Works Best
Internal doors from 35mm to 54mm thick. For thicker doors you will need longer through bolts and a longer spindle. Buster + Punch latches are sold separately and listed on this site. They are for internal use only and not suitable for damp or wet environments.
Made By Buster + Punch
The London brand began with door hardware, and the cast knob is a rounder, more traditional take on its signature knuckle.
Good To Know
- Rose 57mm across and 4mm thick, projection 52mm, knob 45mm
- Solid metal with a rough cast detail, unsprung
- Rose for latches with 38mm, 30mm or 41.5mm centre distance, latch sold separately
- Fits doors 35mm to 54mm thick, 8mm square spindle 65mm long
- In the box: pair of door knobs, two M4 by 35mm through bolts and a spindle
- For internal use only, not suitable for damp or wet environments
- Care: a soft dry cloth or duster for regular cleaning, mild soapy water now and then, dried straight away, wiping along the polish lines and never across them, all finishes age with use
- Warranty: two year Buster + Punch manufacturer's warranty
Questions People Ask
Are they sprung?
No. These are unsprung knobs. The cast door handle set is the sprung option.
Which latch do I need?
A tubular latch or mortise lock with 38mm, 30mm or 41.5mm centre distance. Latches are not included, but Buster + Punch latches are listed on this site.
We offer free standard delivery on orders within the UK Mainland* (an additional fee applies for the Isle of Wight, the Isle of Man, the Scottish Isles, parts of Scotland, Northern Ireland, the Republic of Ireland, the Channel Isles and International).
*Collingwood orders under £150 incur a delivery fee of £9.95 inc. VAT.
*Any order under £49 incurs a delivery fee of £9.95.

Specifications
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