ANSI K81081F

Machine Screw - Door Leaf: #1/4-20 x 2" with grommet nuts
Machine Screw - Jamb Leaf: #12-24 x 1/2"

USP, US3, US4, US10, US10A, US10B, US26D

3

Steel with Steel Components

• For maximum versatility use all spring hinges or a combination of spring and ball bearing hinges. Do NOT use plain bearing hinges.
• For automatic closing door.
• Meets codes for hotels, motels, institutions, and commercial buildings.
• Strong wind conditions, drafts, carpeting drag, twisted/misaligned frames, or weatherstripping on doors may require additional spring hinges.
• Full spring tension may not be required on all hinges.
• Thru-bolts and grommets for wood door applications.

Half Surface, Spring Hinge, Single-Acting, Standard Weight