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Rockwood 555 Lever Extension Flush Bolt, Standard Face Plate

Rockwood 555 Lever Extension Flush Bolt, Standard Face Plate
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Rockwood's 555 Lever Extension Flush Bolt with a standard face plate, is designed to hold your door in place when the lever is manually extended. This product is suitable for the top or the bottom of the door, and is mainly used for hollow metal doors. Bolt is made of brass and is available in many finishes. See below for dimensions and options.


Some variants qualify for 3 DAY QUICK SHIP! See shipping tab for details.


Market price: $34.90
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Price: $17.45
Rod Length
Bolt Head Length
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Made in USA
Options Rod Lengths: 12"/18"/24"/36"/48"; Bolt Head Length: 1-1/2"/2-1/2"
Shipping See Shipping Tab Below

Rockwood's 555 lever extension flush bolts are architectural grade products and are available in many finishes and rod lenghts.

Set Includes: Face Plate; Rod; Bolt Head; Guide Plate; Strike Plate

Materials: Brass

Available Finishes: Bright Brass; Satin Brass; Satin Bronze; Oil Rubbed Bronze; Dark Oxidized Satin Bronze, Equivalent; Satin Nickel; Bright Chrome; Satin Chrome (All finishes comply with BHMA standards. See Product Data tab for details.)

Custom finishes available. For details and pricing please contact us or call us at 845-388-1300.

Installation: This product is difficult to install on your own from start to finish. The most difficult part is mortising the door in preparation for installation. The best option is to have the door factory prepare the door specifically for the lever extension bolt you want to mount to the door.


  • For Fire Rated Hollow Metal Swinging Doors measuring up to 4'(W) x 10'(H) rated up to and including 3 hours.
  • Fits ANSI A115 door and frame preparation
  • 3/4" bolt throw and rod backset
  • 12" rod length-from the center of the face plate to the bolt end (while retracted)
  • 1-1/2" adjustable bolt head


  • Other rod sizes available: 18", 24", 36", 48". Make your selection above.
    For custom rod sizes please call us at 845-388-1300.
  • Extra long bolt head: 2-1/2" or custom lengths which can be ordered by calling us at 845-388-1300.
  • #570 Dust Proof Strike available to prevent dirt blocking the bottom strike.
    To order, please call our office at 845-388-1300.

Face Plate: 1"(W) x 6-3/4"(H)-Standard face plate making this the most popular lever extension flush bolt.

Strike Plate: 15/16" x 2-1/4"

Guide Plate: 1"x 2"

Rod: 1/4-20 threaded

Fasteners: 8 each-#8 x 3/4" FH combo screws. Included.

Weight: .75 lbs

Priced per set.

Please note, images are for illustrative purposes only. They are not actual photos. Therefore, actual colors may vary slightly and size may be enlarged to show detail. See product specs for exact dimensions

This product has a 1 year guarantee against defects in workmanship and materials.

Click here to view our Full Warranty Policy.

Click here to view all our Rockwood 550 Lever Extension Door Bolt With Extra Wide Face Plate.

Product Specs
Compliance Details

*All finishes comply with BHMA (Builders Hardware Manufacturing Association) Standard:

  • Bright Brass-US3/605
  • Satin Brass-US4/606
  • Satin Bronze-US10/612
  • Oil Rubbed Bronze-US10B/613
  • Dark Oxidized Satin Bronze-US10BE/613E
  • Satin Nickel-US15/619
  • Bright Chrome-US26/625
  • Satin Chrome-US26D/626

*Complies with ANSI A156.1: L04251

Shipping / Returns
    • Bright Brass/US3
    • Satin Brass/US4
    • Satin Bronze/US10 
    • Oil Rubbed Bronze/US10B
    • Satin Nickel/US15
    • Bright Chrome/US26 
    • Satin Chrome/US26D


  • Ship Time:
    • Stock QuickShip Items: If available, QuickShip Items are listed above. Quickship items ship within 4 business days. Quantities may be limited.
    • Expedite options are available. Please call to confirm stock and shipping time.
    • Standard Items: Items are custom made to order and require a lead time of 10-14 business days.
    • Ships via major carriers, such as UPS or FedEx Ground, with tracking information provided.
  • Domestic Shipping Fees- (Hawaii and Alaska not Included):
    • FREE SHIPPING on orders over $200.00 (excludes oversized and freight orders).
    • There will be a flat $19.99 shipping and handling fee on orders under $200.00.
    • Oversized Items: Items 86" and above have an oversize surcharge of $70.00
    • Freight Orders: Items 95" and above require freight shipment and have a shipping charge of $150.00
    • Orders totals above $1,500.00 will ship free, regardless of size.
  • Alaska and Hawaii, Canada, and International Shipping:
  • Returns:
    • Stock Items can be returned up to 6 months from date of purchase with a 30% Restock fee. Items must be in new, resaleable condition.
    • All other items are custom made to order and are not returnable.
    • We are commited to your satisfaction. As a courtesy, we may, at our discretion accept returns with a minimum 30% restock fee.
    • Please call or email us to receive an RMA number before returning. No returns will be processed without an RMA number.
    • Return shipping is customer's responsibility. A return address will be provided with RMA#.
    • If you are shipping via USPS (not recommended) do NOT require signature as we will not be able to pick up your package from local post office facility.
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