- 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.
시장별 표준 및 요구사항
World Steel이 본 제품의 설계, 제작, 문서화에 적용하는 기준 – 그리고 각 시장의 주요 형상 및 하중 요구사항.
미국
- ANSI/BHMA A156.2Bored and preassembled locks and latches
- ICC A117.1 / ADAAccessible operating hardware
- Accessible routes
- levers required instead of knobs
참고용 요약입니다 – 프로젝트 시방서, 채택된 기준 판본 및 관할 기관의 요구가 우선합니다.
표면 처리
| 표면 처리 | 표준 / 비고 |
|---|---|
| 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) |




