Hinge Notes

- For maximum versatility use all spring hinges or a combination of spring hinges and ball bearing hinges. Do not use plain bearing hinges.

- Full spring tension may not be required on all hinges

- Strong wind conditions, drafts, carpeting drag, twisted/misaligned frames, or weather stripping on doors may require additional spring hinges

Material

- Steel with Steel components ANSI K81071F

Sizes

- 3 1/2'' x 3 1/2'' (89 x 89 mm) **Maintain Mortise Depth at .119'' (3 mm)

- 4" x 4" (102 x 102 mm)

- 4 1/2" x 4" (114 x 102 mm)

- 4 1/2" x 4 1/2" (114 x 114 mm)