Don-Jo T9103 Extended Lip T St...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$6.96
$6.10
Don-Jo T9103 Extended Lip T Strike in Non-Ferrous Material, 2-3/4" x 3"

Don-Jo T9103 Extended Lip T Strike in Non-Ferrous Material, 2-3/4" x 3"

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Model: T9103-630
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$6.96
$6.10
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Don-Jo T9103 Extended Lip T Strike in Non-Ferrous Material, 2-3/4" x 3"

The Don-Jo T9103 is a commercial-grade Extended Lip T Strike engineered for reliable door latch engagement in demanding applications. Constructed from non-ferrous material at 18-gauge (.050) thickness, this strike measures 2-3/4" in height and 3" in width — with the width measured from the center of the screw hole to the end of the lip — ensuring precise, consistent fitment. Featuring a single latch hole configuration, the T9103 is available in multiple finishes including 605, 609, 622, and 630 DU to coordinate with a wide range of door hardware installations.

Key Features

  • Precise Dimensions: Measures 2-3/4" (height) x 3" (width), with width measured from center of screw hole to end of lip for accurate installation alignment.
  • Non-Ferrous Construction: Built from 18-gauge (.050) non-ferrous material, offering corrosion resistance and long-term durability in commercial door applications.
  • Extended Lip T Strike Design: The extended lip profile provides enhanced latch capture and improved door security over standard strike configurations.
  • Single Latch Hole: Features one latch hole for straightforward compatibility with standard latch bolt configurations.
  • Multiple Finish Options: Available in finishes 605, 609, 622, and 630 DU to match existing door hardware and architectural requirements.
  • Commercial Grade: Designed and rated for commercial applications, delivering the performance and reliability required in high-use environments.
  • Convenient Shelf Pack: Sold in shelf packs of 10, making it efficient for contractors, distributors, and facility managers to stock and deploy.

Technical Specifications

  • Subcategory: Door Strikes
  • Product Group: Parts and Accessories
  • Product Subgroup: Door Strikes and Strike Boxes
  • Product Type: Door Strikes
  • Commercial/Residential: Commercial
  • Product Category: Parts and Accessories
  • Product Substrate: Non-Ferrous
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Don-Jo T9103?

Don-Jo T9103 Extended Lip T Strike products deliver professional-grade reliability through 18-gauge (.050) non-ferrous construction designed to withstand the rigors of commercial door hardware environments. Engineered with an extended lip profile and precise 2-3/4" x 3" dimensions, this strike provides consistent latch engagement and long-term performance where dependable door function is essential.

Manufacturer Resources

DON-JO Strike Plates

Product Specs

Subcategory:
Door Strikes
Product Group:
Parts and Accessories
Product Subgroup:
Door Strikes and Strike Boxes
Product Type:
Door Strikes
Commercial/Residential:
Commercial
Product Model:
T9103
Door Strike:
Extended Lip T Strike
Product Category:
Parts and Accessories
Product Substrate:
Non-Ferrous
Department:
Door Hardware

Don-Jo T9103-630 – Frequently Asked Questions

1) Will the Don-Jo T9103 T strike cover the oversized mortise in my frame where the old strike was?
That's the reason to reach for a T strike. The T9103 measures 2-3/4 inches by 3 inches, and the 3 inch width is measured from the center of the screw hole out to the end of the lip, so the extended lip carries well past the latch cutout and hides a chewed or oversized frame mortise on the pull side. It has a single latch hole, so it suits a standard latchbolt, not a lock with a separate deadbolt hole.
2) Should I use a T strike or a full lip ANSI strike on my frame?
A T strike like the T9103 is what you use when the frame prep is a plain latch mortise rather than a full ANSI 4-7/8 inch cutout, or when the existing hole has been enlarged and needs covering. Its extended lip also helps where the door sits proud of the stop and the latch needs guiding in. If your frame is already prepped for a 4-7/8 inch ANSI strike, use that instead, since a T strike will not fill that opening.
3) Will the Don-Jo T9103 work on a pair of doors with no mullion?
No. The T9103 is a frame strike with a single latch hole, so it mounts to a jamb and catches one latchbolt. For a double door application you want a strike built for that condition, such as the Detex 92 Strike Kit for double doors, which comes with tamper resistant fasteners.
4) Is the Trimco 1260P a direct replacement for the Don-Jo T9103 extended lip T strike?
No. The Trimco 1260P is a pipe adapter strike supplied as a strike only, from the Trimco 1260 series, and it is built to address a pipe-mounted condition rather than a conventional door frame. The Don-Jo T9103 is an extended lip T strike measuring 2-3/4 inches high by 3 inches wide, with the width taken from the center of the screw hole to the end of the lip, formed in 18-gauge (.050) non-ferrous material with a single latch hole. If the opening is a standard frame taking a single latch bolt and you need lip projection to reach the latch, the T9103 is the strike form that matches; the 1260P is a different strike type for a different mounting condition.
5) I need a strike for a pair of doors with tamper resistant fasteners - does the Don-Jo T9103 cover that?
For a double door opening where you want tamper resistant fasteners, the Detex 92 Strike Kit from the Detex 90 strike series is the part built for that condition - it is a double door strike kit supplied with tamper resistant fasteners. The Don-Jo T9103 is a single extended lip T strike, 2-3/4 inches by 3 inches in 18-gauge (.050) non-ferrous material with one latch hole, sold in shelf packs of 10, and it addresses the single latch bolt at a standard frame. Specify by the opening: a pair of doors with a security fastener requirement points to the Detex 92 kit, a single latch needing lip reach points to the T9103.
6) Is the Don-Jo T9103 strike going to rust on an exterior door?
It's made from non-ferrous material at 18-gauge (.050) thickness, so there is no steel in it to corrode. That matters on exterior and wash-down openings where a plated steel strike bleeds rust down the frame. The 630 satin stainless and 622 matte black finishes are the usual picks for exterior work.
7) What finishes does the Don-Jo T9103 come in, and which one matches satin chrome lever hardware?
Five finishes: 605 polished brass, 609 antique brass, 622 matte black, 630 satin stainless steel, and DU duronodic brown coated. For satin chrome or brushed nickel levers, 630 is the match most people use. Bright brass lever sets take 605, and dark bronze aluminum storefront frames take DU.
8) I need a strike for a round pipe or tube frame, will the T9103 mount to it?
No. The T9103 is a flat plate strike meant for a flat jamb face. Round pipe and tubular frames need a strike shaped for that curve, such as the Trimco 1260P pipe adapter strike from the 1260 series.
9) What is the difference between the Don-Jo T9103 and the Detex 92 strike kit when I am ordering strikes for a facility?
They are ordered differently because they are different scopes of supply. The Detex 92 Strike Kit is a kit for a double door, supplied with tamper resistant fasteners, and belongs to the Detex 90 strike series. The Don-Jo T9103 is an individual extended lip T strike in non-ferrous material, offered in 605 polished brass, 609 antique brass, 622 matte black, 630 satin stainless steel, and DU duronodic brown coated, so it can be matched to the finish already running on the other openings. For standardizing single-leaf frames across a building where finish match matters, the T9103 is specified by finish; the Detex 92 is specified where the pair-of-doors condition calls for it.
10) Can I buy just one Don-Jo T9103 strike or do they come in a box?
The T9103 is packed in shelf packs of 10. That works out well if you are standardizing strikes across a building or a floor of units, since you get ten identical strikes in one finish rather than a mixed bag.
11) Is the Don-Jo T9103 heavy enough for a school or hospital corridor door?
It's a commercial grade strike at 18-gauge (.050) material, which is the weight used on office, education, healthcare, retail, warehouse, multi-tenant residential and government openings. For a high-abuse door where somebody may attack the strike itself, a tamper resistant kit like the Detex 92 is the better direction.
12) Does the Don-Jo T9103 need a strike box behind it?
The T9103 is the strike plate itself. On a hollow metal frame the existing cavity or dust box behind the prep is normally what the latch throws into, and the plate covers it. On a wood jamb, plan to chisel a latch pocket behind the plate deep enough for the full latch throw before you screw it down.
How fast can I get the Don-Jo T9103-630 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Don-Jo T9103-630 come with a warranty?
Absolutely. The Don-Jo T9103-630 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Don-Jo T9103-630?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Don-Jo T9103-630 from ZenSupply?
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