LCN 4011REGGLBLKRH Right Hand Size 1 Surface Mounted Pull Side Smoothee Heavy Duty Door Closer with TBSRT Thru Bolts 693 Black Finish

The LCN 4011 is a surface-mounted door closer that installs on the pull side of the door. This Grade 1 heavy-duty closer handles high-traffic commercial applications where reliable self-closing action is required for fire door compliance and accessibility. The cast iron body with black finish stands up to heavy use in schools, offices, and institutional buildings.

LCN built this closer with a forged steel main arm and double heat treated steel pinion for extended service life. The all-weather fluid keeps the closer operating consistently across temperature ranges. Size 1 spring fits doors up to 32 inches wide with standard commercial weights.

The right-hand configuration mounts with TBSRT thru-bolts for secure attachment to door and frame. Adjustable sweep and latch speeds let you tune closing performance for your specific application. The 693 black finish matches standard commercial hardware.

Series	4010
ANSI Grade	Grade 1
Mounting	Surface Pull Side
Handing	Right Hand
Finish	693 Black
Material	Cast Iron

This closer meets ANSI/BHMA A156.4 Grade 1 performance standards and carries UL listing for fire-rated door assemblies. The Grade 1 rating ensures 2 million cycle durability testing compliance.

Size 1 spring selection depends on door dimensions and weight requirements detailed in our door closer selection guide. For understanding Grade 1 performance requirements and ADA opening force limits, see ANSI A156.4 door closer standards.