products

door handles
concealed rose range door packs handles on backplate handles on rose

mortice knobs
brass mortice knobs crackle mortice knobs wooden mortice knobs

wc turns
wc turns & release oval wc turns & release

escutcheons
euro escutcheons key escutcheons open key hole escutcheons

hinges
cabinet hinges concealed hinges hinges

cabinet hardware
all cabinet hardware cabinet cylinder knobs cabinet cup pulls cabinet finger pulls cabinet hex knobs cabinet round knobs cabinet pull handles cabinet square knobs cabinet t-bar knobs cabinet victorian knobs cabinet hinges cabinet backplates

latches
DIN latch magnetic latches smart latches & deadbolts tubular latches

locks
bathroom locks cylinders deadlocks DIN locks horizontal locks magnetic locks sashlocks smart latches & deadbolts tubular deadbolts

accessories
coat hooks commercial hardware door stops flush bolts foot pulls handrail brackets intumescents rack bolts & thumbturns rebate kits roller catches surface bolts

packs

door packs fixing packs latch packs

cabinet hardware

pocket door systems
ranges

AGB Atlantic CleanTouch Commercial Hardware Eco Ermetika Forme Mediterranean Millhouse Brass Old English Oro & Oro Senza Pari Status Tupai
finishes

Finishes
antique brass (AB) antique copper (AC) black nickel (BN) distressed silver (DS) matt antique brass (MAB) matt black (MB) matt gun metal (MBN) polished brass (PB) polished chrome (PC) polished nickel (PN) polished stainless steel (PSS) satin brass (SB) satin chrome (SC) satin nickel (SN) satin stainless steel (SSS) urban bronze (UB) urban dark bronze (UDB) urban graphite (UG) urban satin copper (USC) weathered antique bronze (WAB) yester bronze (YB)

dual finishes
black nickel/polished chrome (BNPC) satin chrome/polished chrome (SCPC) satin nickel/nickel plate (SNNP) satin nickel/polished brass (SNPB) satin nickel/polished chrome (SNPC)

special/bespoke finishes
bright polished chrome (PC) bronze (B) pearl black (MB) pearl nickel (PL) raw brass / unlacquered brass (RB) titanium (TT) white (WH)
find a stockist
what's new

Home / blog / FAQs: Cylinder Codes and Sizes Explained

FAQs: Cylinder Codes and Sizes Explained

https://www.youtube.com/watch?v=VnNYiHEzTxQ

Cylinders
AGB’s cylinders have passed strict tests and controls and have extremely high durability.

VIEW OUR AGB CYLINDERS HERE!

More of our posts

Finish Focus… Polished Nickel

Posted On : 30th October 2025

Finish Focus… Polished Nickel

Spotlight on… Commercial Hardware

Posted On : 22nd October 2025

Spotlight on… Commercial Hardware

What is inside a Door Pack?

Posted On : 15th October 2025

What is inside a Door Pack?

TREND:”Broken Plan” Living

Posted On : 15th September 2025

TREND:”Broken Plan” Living

Keep Updated!

Subscribe to receive exciting updates from the Atlantic Team!