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Free Ground Shipping! - Unison Inox BD4000 Privacy Lock for Sliding Barn Door w/ EC1216 Trim

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A simple and elegant privacy lock for barn door openings in either commercial or residential applications. No frame or soffit build out required. INOX Privacy Barn Door Locks include a tubular drive-in bolt to be installed inside the jamb, and a dust-proof strike installed on the back side of the Barn Door, with an emergency release installed on the outside of the door.

  • For 1-3/8" (35mm) to 1-3/4"(40mm) thick doors standard. Call for other door thicknesses, thick door kits available.
  • Non-handed.
  • 2-1/4" or 3-1/2" backset options (see specifications for corresponding wall thickness).
  • Drive in bolt casing diameter: 1” (25mm).
  • Lock bolt: 1/2" (13mm) diameter, stainless Steel material.
  • Lock bolt has 1" projection allowing up to 1/2" door to wall gap. Extra spacer ring accommodates up to 3/4" gap between barn door and wall.
  • 1-1/4" diameter spring-loaded dust proof strike provides ample space to receive 1/2" bolt, allows easy locking from privacy side. Strike mounted in barn door for standard door.
  • 1/4" diameter emergency release feature allows bolt to be unlocked from outside under emergency situation.
  • Simple design, minimum aesthetic impact on door surface.

  • 2-1/4" backset: for 4" to 6-1/2" wall thickness
  • 3-1/2" backset: for wall thickness 6-1/2" and up.
-California Residents-
WARNING: This product can expose you to chemicals including lead and/or wood dust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
Manufacturer: INOX Unison Hardware Inc.
Manufacturer Location: USA
Material: brass/stainless steel
Style: modern/contemporary
Type: barn door privacy lock
Warranty: Limited lifetime warranty.
Diameter: 3" (76mm)

INOX Unison Hardware Inc. Restock Policy

Please call or use our Online form to receive an RGA (Return Goods Authorization) number within 30 days of purchase prior to returning merchandise, returns WILL NOT be accepted without one. Twenty-five percent (25%) restocking fee applies to all returns. Defective products will be replaced.

If an item is returnable (See restocking list), you must first call or use form below to request a return goods authorization (RGA) prior to returning any items purchased through us.

We will not accept any returns without an RGA. All items must be returned in "Re-Saleable Condition", in original packaging with all parts included. Customer is responsible for shipping charges.

Our restocking policies vary, depending on manufacturer and item.

Click here for our restocking fee schedule. Please call or email us with any other questions you may have on returns.

Click here to request a Return Authorization