Don-Jo EST-104 Extended Lip ASA Strike — 13 Gauge, 4" x 4-7/8"

The Don-Jo EST-104 Extended Lip ASA Strike is a heavy-duty, 13-gauge (.095) door strike engineered for hollow metal and wood frames where a standard-lip strike falls short. Manufactured by Don-Jo Manufacturing, the EST-104 delivers a full 4" lip measured from the center of the mounting screw hole to the end of the lip, giving the latch bolt generous clearance on deep-set or offset door frames. Overall dimensions are 4" wide × 4-7/8" tall, making this an ASA-pattern strike compatible with a wide range of cylindrical latchbolts. A single latch hole is centered in the strike face. Available in three finish options — 630 Satin Stainless Steel (US32D), Duranodic Dark Bronze (Don-Jo DU), and 622 / US19 Flat Black — the EST-104 suits architectural hardware schedules that demand a coordinated, corrosion-resistant finish on the extended lip ASA strike. Specifiers and locksmiths who need a longer-lip ASA strike to bridge frame rabbets or retrofit existing prep work will find the EST-104 a direct, drop-in solution.

EST-104 Extended Lip Strike — Key Features

• Extended 4" Lip: Measured from center of screw hole to end of lip, providing clearance for deep-set frames, offset rabbets, and wide-throw latchbolts where a standard ASA lip is insufficient.
• Heavy 13-Gauge Construction: Formed at .095" thickness for a rigid, long-service strike face that resists flex and distortion under repeated latch engagement.
• ASA Strike Pattern: Standard ASA profile mates with common cylindrical lock preps, simplifying new installation and replacement on existing door frames.
• Single Latch Hole: One precision-formed latch opening accommodates standard cylindrical latchbolts without modification.
• Three Finish Choices: 630 Satin Stainless Steel (US32D), Duranodic Dark Bronze (Don-Jo DU), and 622 / US19 Flat Black allow hardware schedule matching across commercial and institutional projects.
• 4" × 4-7/8" Overall Dimensions: Sized to cover standard ASA frame cutouts while the extended lip spans the additional frame depth.

Technical Details

How to Specify / Order

Specify the Don-Jo EST-104 followed by the required finish designation: EST-104-630 for Satin Stainless Steel (US32D), EST-104-DU for Duranodic Dark Bronze, or EST-104-622 for Flat Black (US19). This extended lip ASA strike is a non-stock item that ships direct from Don-Jo Manufacturing. Allow 3–10 business days lead time. Sold in shelf packs of 5; confirm quantity requirements at time of order.