SSS 4" 2 Ball Bearing Stainless Steel Grade 13 Hinge (Per Pair)
Single pairs complete with stainless steel screws
or40 pairs complete with stainless steel screws.
AR8180-SSS 100mm x 75mm x 3mm square corner butt hinge SSS
BS EN1935 Single axis hinges
Digit 1 – Category of use grade 4: severe duty
Digit 2 – Durability - grade 7: 200 000 test cycles, for medium. Heavy and severe duty hinges
on doors only
Digit 3 – Test door mas - grade 6 120 kg
Digit 4 – Suitability for fire/smoke door use - grade 1: suitable for fire/smoke resistant door assemblies subject to
satisfactory assessment of the contribution of the single-axis hinge to the fire resistance of the specified fire/smoke door assemblies. Such assessment is beyond the scope of this European standard (see EN 1634-1).
Digit 5 – Safety - Single-axis hinges are required to satisfy the essential requirements of
safety in use. Therefore, only grade 1 is identified.
Digit 6 – Corrosion resistance - grade 4: very high resistance.
Digit 7 – Security - grade 0: not suitable for use on burglar-resistant door assemblies
Digit 8 – Hinge Grade - 13 Door 200 000 120kg