580-24 US26D

Manufacturer: Rockwood
General Description: Rockwood 24" Surface Bolt: Satin Chrome 
Series: 580
Size: 24”
Weight:2.0 lbs
Finish: Satin Chrome
Materials: Steel, Stainless Steel
Fasteners: 8 each #10 x 1-1/4” FH SMS, 8 each #10-24 x 1” FH MS
Strike: 6 each #10-32 x 1-1/2” FH MS; 6 each #10-32 x 1-1/2” FH WS
Dimensions:
Bolt Throw: 1-1/8”
Bolt Material: ¼” x ¾”

580 Series bolts are UL Listed for use on inactive leaf of a pair of 3 hour label fire doors. 580 Series include a universal top strike and a mortise bottom strike.