- Grade 2 cylindrical & tubular knobs
- Grade 1 · 2 · 3 deadbolts
- Indicator deadbolt option
- Keyed or electronic keypad knob
- Single or double cylinder
- Keyed to the master system
Range
| Grade | Type | Duty | Notes |
|---|---|---|---|
| Grade 2 | Cylindrical knob | Heavy duty | Full commercial functions |
| Grade 2 | Tubular knob (keyed or electronic) | Commercial duty | Light commercial and modular |
| Grade 1 | Tubular deadbolt | Maximum duty | Exterior and high-security doors |
| Grade 2 | Tubular deadbolt | Heavy / commercial duty | Single, double cylinder or thumbturn |
| Grade 2 | Indicator deadbolt | Commercial duty | Shows occupied / vacant |
| Grade 3 | Tubular deadbolt | Light commercial | Interior and residential-style |
Where knobs still make sense
Levers are required on accessible routes, but knobsets remain common on storerooms, plant rooms and site buildings. Deadbolts add a second, independent bolt on exterior doors – fitted 7¾ in above the lock in WS doors.
Normes et exigences par marché
Les codes selon lesquels World Steel conçoit, fabrique et documente ce produit – et les principales exigences géométriques et de charge sur chaque marché.
États-Unis
- ANSI/BHMA A156.2Bored and preassembled locks and latches
- ICC A117.1 / ADAAccessible operating hardware
- Accessible routes
- levers required instead of knobs
Australie / NZ
- AS 4145.2Locksets – mechanical locking devices
Europe
- EN 12209Mechanically operated locks and plates
- EN 1906Lever handles and knobs
Synthèse fournie à titre indicatif – le cahier des charges du projet, l'édition du code adoptée et l'autorité compétente prévalent.
Finitions
| Finition | Normes / remarques |
|---|---|
| Finishes | US26D satin chrome, US32D satin stainless, US10B oil-rubbed bronze, AL aluminium (by series) |
| Keying | Keyed different, keyed alike, master and grand master, construction master; 6-pin C-keyway, popular keyways and small-format interchangeable core (SFIC) |




