HD66 HEAVY DUTY, SURFACE OVERHEAD STOP

Usually Ships: 1-3 Business Days

The Cal-Royal HD66 Heavy Duty Surface Overhead Stop is a premium-grade door control solution engineered for high-traffic, heavy-abuse environments. Designed with a robust slide track mechanism and a heavy shock absorber spring that compresses 57 before reaching the dead stop, this overhead stop ensures smooth and secure door operation. Ideal for both interior and exterior single-acting doors, the HD66 is non-handed and UL Listed for up to 3 hours (stop function only), meeting ANSI A156.8 standards. Its durable satin stainless steel finish (US32D) and complete installation kitincluding thru-bolts, wood, and machine screwsmake it a reliable and easy-to-install choice for commercial and institutional applications. Optimize your facilitys safety and performance with the trusted strength of Cal-Royals HD66 overhead stop.

• Interior or exterior doors
• Doors are single acting
• Non-handed
• Recommended for high traffic, heavy abuse installations

Features

• Heavy duty surface
• Slide track design
• Heavy shock absorber spring provides 5-7 compression before deadstop
• Stop or hold-open function
• Complete screw packet with thru-bolts for door, wood and machine screws for frame
• Durable slider cam
• 110 maximum opening
• 134″ minimum door thickness
• 1316″ square channel

Compliance

• ANSI A156.8 UL Listed as STOP Function