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Parts Catalog >> Non-Template Hole Pattern - LB4320 SQ- LB4321 1/4 Radius - LB4322 5/8 Radius Print this part information


Single Acting Spring Hinges

LUBE BEARING LB4300 SERIES - PATENT # 6,460,220

LB4320 STEEL SQUARE CORNER
FULL MORTISE - ANSI K81071F

LB4321 STEEL 1/4" RADIUS CORNERS
FULL MORTISE - ANSI K81071F

LB4322 STEEL 5/8" RADIUS CORNERS
FULL MORTISE - ANSI K81071F


UL LISTED FOR FIRE DOOR APPLICATIONS
NON-HANDED
STEEL MATERIAL
SELF LUBRICATING BEARINGS
EASILY ADJUSTABLE SPRING TENSION
SPECIAL TEMPLATE SCREW HOLE LOCATIONS
PIVOT POINT ALIGNS WITH RESIDENTIAL BUTT HINGES GAUGE .085 TO .109


To View Template click on ITEM NUMBER in Chart


ITEM NUMBER HINGE SIZE CORNERS GAUGE DOOR / FRAME MANUFACTURER # OF HOLES WOOD SCREW MACHINE SCREW BOX QTY CASE QTY CASE WT
LB4320-400 4 X 4 SQUARE .096   8 10 X 3/4 10-24 X 1/2 2 ea. 40 ea. 31 lbs
LB4321-400 4 X 4 1/4" RADIUS .096 PERMA-DOOR 8 10 X 3/4 10-24 X 1/2 2 ea. 40 ea. 31 lbs
LB4322-400 4 X 4 5/8" RADIUS .096 PERMA-DOOR 8 10 X 3/4 10-24 X 1/2 2 ea. 40 ea. 31 lbs
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Part ID Description Stocked
LB4322-400BP-652 SA LB SPRING HINGE UL LISTED This part is not stocked

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