No bots, just experts

Questions on STI? Free pre-sales support from a senior specialist — product questions, BOM quotes, compatibility checks, price confirmation — within one business day. Need full system design? $175/hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back.

STI products

Sidebar
Selecting a sort option will reload the product list.
  • Save $0.92
    STI KIT-6702 Tamperproof Screw Kit
    Add to Cart The item has been added

    STI KIT-6702

    STI KIT-6702 Tamperproof Screw Kit

    Tamperproof screw kit designed to secure STI lock and strike hardware in access control installations

    • Prevents unauthorized fastener removal on STI lock and strike hardware installations.
    • Compatible with HID credential-based access control infrastructure at 9VDC.
    • Drop-in replacement for standard fasteners; no special tools required.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $8.91 $7.99 Save $0.92
    The item has been added Add to quote
    $8.91 $7.99 Save $0.92
    Save $0.92 Add to cart Add to quote
  • Save $0.23
    STI KIT-67-FR French Replacement Glass for STI-6700
    Add to Cart The item has been added

    STI KIT-67-FR

    STI KIT-67-FR French Replacement Glass for STI-6700

    French-language replacement glass for STI-6700 emergency keypads

    • Direct fit for STI-6700 with 9VDC wired systems and RS-232 communication
    • French-language labeling for multilingual facility installations
    • Wall-mounted glass panel replacement requires no system modifications
    Usually Ships in 2-3 Weeks Free shipping over $499
    $12.22 $11.99 Save $0.23
    The item has been added Add to quote
    $12.22 $11.99 Save $0.23
    Save $0.23 Add to cart Add to quote
  • Save $0.23
    STI KIT-67 Replacement Glass for STI-6700
    Add to Cart The item has been added

    STI KIT-67

    STI KIT-67 Replacement Glass for STI-6700

    Replacement glass for STI-6700 lock/strike systems at 9VDC

    • Direct replacement component for STI-6700 strike assemblies
    • Operates on 9VDC power for access control installations
    • Wall-mounted design compatible with existing STI-6700 infrastructure
    Usually Ships in 2-3 Weeks Free shipping over $499
    $12.22 $11.99 Save $0.23
    The item has been added Add to quote
    $12.22 $11.99 Save $0.23
    Save $0.23 Add to cart Add to quote
  • Save $0.06
    STI KIT-65 Breakaway Seal Kit
    Add to Cart The item has been added

    STI KIT-65

    STI KIT-65 Breakaway Seal Kit

    Breakaway seal strike kit for networked access control systems

    • Breakaway seal strike integrates directly into TCP/IP-networked access control systems.
    • Operates at 9VDC — confirm panel strike output voltage before ordering or installing.
    • Fits standard door frames; supports both new construction and retrofit deployments.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $7.05 $6.99 Save $0.06
    The item has been added Add to quote
    $7.05 $6.99 Save $0.06
    Save $0.06 Add to cart Add to quote
  • Save $0.39
    STI KIT-6403 Remote Horn Unit for Exit Stopper Series
    Add to Cart The item has been added

    STI KIT-6403

    STI KIT-6403 Remote Horn Unit for Exit Stopper Series

    Remote horn unit designed to extend audible notification capabilities across exit control and emergency egress systems built on the STI Exit Stopper

    • Extends audible alerts across multi-door Exit Stopper Series deployments without rewiring.
    • Runs on 9VDC — matches Exit Stopper control modules for direct, compatible wiring.
    • Mount remotely from the strike enclosure to reduce nuisance alarms at the access point.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $76.38 $75.99 Save $0.39
    The item has been added Add to quote
    $76.38 $75.99 Save $0.39
    Save $0.39 Add to cart Add to quote
  • Save $0.83
    STI KIT-405440 Gasket for STI-6514 Electric Strike
    Add to Cart The item has been added

    STI KIT-405440

    STI KIT-405440 Gasket for STI-6514 Electric Strike

    Replacement gasket assembly for STI-6514 electric strike units

    • Designed for STI-6514 9VDC electric strike with HID credential reader
    • Restores door frame seal integrity and strike operational performance
    • Wall-mounted gasket/seal component for access control installations
    Usually Ships in 2-3 Weeks Free shipping over $499
    $8.82 $7.99 Save $0.83
    The item has been added Add to quote
    $8.82 $7.99 Save $0.83
    Save $0.83 Add to cart Add to quote
  • Save $0.43
    STI KIT-320 Replacement Wiring Harness for the Universal Stopper® Series wi...
    Add to Cart The item has been added

    STI KIT-320

    STI Replacement Wiring Harness for the Universal - KIT-320

    Replacement wiring harness engineered for the Universal Stopper series of electronic locks and strikes

    • Rated 9V DC to match Universal Stopper series power specs, preventing intermittent lock cycles.
    • TCP/IP-ready design integrates strike status and commands into network-based access control platforms.
    • Purpose-built for Universal Stopper series, enabling harness swaps without full hardware replacement.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $44.42 $43.99 Save $0.43
    The item has been added Add to quote
    $44.42 $43.99 Save $0.43
    Save $0.43 Add to cart Add to quote
  • STI KIT-318 Adapter Plate
    Add to Cart The item has been added

    STI KIT-318

    STI KIT-318 Adapter Plate

    Mechanical adapter plate for electronic strike installations in access control systems

    • Eliminates custom fabrication by providing a standardized mounting interface for electronic strikes.
    • Operates at 9VDC, aligning with standard strike circuit power provisioning in access control systems.
    • Simplifies multi-door deployments by standardizing strike installation across varied frame geometries.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $22.99
    The item has been added Add to quote
  • Save $0.30
    STI KIT-314 Adapter Plate for HID Credentials
    Add to Cart The item has been added

    STI KIT-314

    STI KIT-314 Adapter Plate for HID Credentials

    HID adapter plate for STI lock/strike hardware integration

    • Integrates HID credential readers with existing STI assemblies
    • Operates at 9VDC for standard access control power supply
    • Wall-mount adapter plate eliminates controller redesign needs
    Usually Ships in 2-3 Weeks Free shipping over $499
    $27.29 $26.99 Save $0.30
    The item has been added Add to quote
    $27.29 $26.99 Save $0.30
    Save $0.30 Add to cart Add to quote
  • Save $0.11
    Image coming soon
    Add to Cart The item has been added

    STI KIT-19038

    STI Tamper Bit for and KIT-86 - KIT-19038

    Mechanical tamper-detection accessory designed to retrofit compatible electronic strike assemblies

    • Adds tamper-detection contact closure to KIT-81, KIT-82, KIT-84, and KIT-86 strikes.
    • Runs on 9V DC from the existing strike circuit — no added power supply needed.
    • Tamper events log within HID-compatible access control panels alongside credential activity.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $14.10 $13.99 Save $0.11
    The item has been added Add to quote
    $14.10 $13.99 Save $0.11
    Save $0.11 Add to cart Add to quote
  • Save $0.76
    STI Replacement Cable for STI-6200 STI-6205 and - KIT-18015-RC
    Add to Cart The item has been added

    STI KIT-18015-RC

    STI Replacement Cable for STI-6200 STI-6205 and - KIT-18015-RC

    Replacement cable assembly for STI strike lock systems operating at 9VDC

    • Direct replacement cable restores power continuity in STI-6200, STI-6205, and STI-6210 strikes.
    • Rated 9VDC — matches native supply voltage of the STI-6200 series without reconfiguration.
    • Drop-in fit eliminates access control system reprogramming after harness failure or damage.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.75 $10.99 Save $0.76
    The item has been added Add to quote
    $11.75 $10.99 Save $0.76
    Save $0.76 Add to cart Add to quote
  • Save $0.71
    STI Deactivation Cable - KIT-18015-9
    Add to Cart The item has been added

    STI KIT-18015-9

    STI Deactivation Cable - KIT-18015-9

    6-inch deactivation cable for STI strike and lock systems

    • Works with STI-6200, STI-6205, and STI-6210 electronic strikes
    • Operates at 9VDC with RS-485 and RS-232 serial communication
    • Compact 6-inch length for tight door frame installations
    Usually Ships in 2-3 Weeks Free shipping over $499
    $4.70 $3.99 Save $0.71
    The item has been added Add to quote
    $4.70 $3.99 Save $0.71
    Save $0.71 Add to cart Add to quote
  • Save $0.11
    STI KIT-122 Enviro-Kit Horn/Strobe Damage Stopper
    Add to Cart The item has been added

    STI KIT-122

    STI KIT-122 Enviro-Kit Horn/Strobe Damage Stopper

    Environmental protection kit for horn/strobe assemblies in harsh conditions

    • 9VDC operation integrates with standard low-voltage security systems
    • Physical damage and environmental exposure protection extends component life
    • Works for retrofit and new installations with wall or rack mounting
    Usually Ships in 2-3 Weeks Free shipping over $499
    $14.10 $13.99 Save $0.11
    The item has been added Add to quote
    $14.10 $13.99 Save $0.11
    Save $0.11 Add to cart Add to quote
  • Save $0.82
    STI KIT-121 Enviro-Kit for Horn/Strobe Damage Stopper Series
    Add to Cart The item has been added

    STI KIT-121

    STI KIT-121 Enviro-Kit for Horn/Strobe Damage Stopper Series

    Environmental hardening kit for Horn/Strobe Damage Stopper Series

    • Protects against outdoor and high-moisture environment degradation
    • 9VDC operation integrates with standard low-voltage security systems
    • Wall-mount design for access control and alarm system installations
    Usually Ships in 2-3 Weeks Free shipping over $499
    $16.81 $15.99 Save $0.82
    The item has been added Add to quote
    $16.81 $15.99 Save $0.82
    Save $0.82 Add to cart Add to quote
  • Save $0.29
    STI KIT-102722-Y 5/8" Spacer for Stopper® Stations
    Add to Cart The item has been added

    STI KIT-102722-Y

    STI KIT-102722-Y 5/8" Spacer for Stopper® Stations

    5/8-inch spacer designed to mount STI Stopper® emergency station hardware on surface-mounted installations where the station requires offset from the

    • 5/8" offset corrects frame alignment on surface-mount installs needing cable clearance.
    • Compatible with STI-1100, 1130, 1200, 1230, 1250, 3150, and Weather Stopper II models.
    • Seats gasket and cable entry inserts flush to maintain weather integrity outdoors.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.28 $10.99 Save $0.29
    The item has been added Add to quote
    $11.28 $10.99 Save $0.29
    Save $0.29 Add to cart Add to quote
  • Save $0.29
    STI KIT-102722-W 5/8" Spacer for Stopper® Stations
    Add to Cart The item has been added

    STI KIT-102722-W

    STI KIT-102722-W 5/8" Spacer for Stopper® Stations

    5/8" spacer engineered for STI Stopper® station installations

    • Corrects strike-to-frame misalignment on Stopper® stations with a precise 5/8" offset.
    • Passive mechanical component — adds zero power draw to existing 9VDC Stopper® systems.
    • Fits existing fastener pattern; no new drilling required for surface-mount or recessed installs.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.28 $10.99 Save $0.29
    The item has been added Add to quote
    $11.28 $10.99 Save $0.29
    Save $0.29 Add to cart Add to quote
  • Save $0.29
    STI KIT-102722-G 5/8" Spacer for Stopper® Stations
    Add to Cart The item has been added

    STI KIT-102722-G

    STI KIT-102722-G 5/8" Spacer for Stopper® Stations

    5/8" spacer designed to create proper mounting geometry between Stopper station devices and wall surfaces

    • Provides 5/8" standoff to ensure correct gasket seating on uneven wall surfaces.
    • Supports both indoor and outdoor Stopper/Stopper II station surface installations.
    • Positions frame before gasket and cable entry hardware for clean, secure cable routing.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.28 $10.99 Save $0.29
    The item has been added Add to quote
    $11.28 $10.99 Save $0.29
    Save $0.29 Add to cart Add to quote
  • Save $0.29
    STI KIT-102722-B 5/8" Spacer for Stopper® Stations
    Add to Cart The item has been added

    STI KIT-102722-B

    STI KIT-102722-B 5/8" Spacer for Stopper® Stations

    5/8" spacer for STI Stopper® stations with 9VDC lock/strike

    • Precise 5/8" spacing for proper alignment in Stopper® installations
    • Compatible with 9VDC lock/strike mechanisms on Stopper® stations
    • Wall-mount accessory for credential reader and door strike assembly
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.28 $10.99 Save $0.29
    The item has been added Add to quote
    $11.28 $10.99 Save $0.29
    Save $0.29 Add to cart Add to quote
  • STI Stackable Yellow 10mm Spacer Stopper® Station Push Button series
    Add to Cart The item has been added

    STI KIT-102720-Y

    STI 10mm Spacer - KIT-102720-Y

    Yellow 10mm stackable push button with RS-232 control for door entry

    • Modular stackable design builds multi-button arrays without extra hardware
    • 9VDC wired operation with RS-232 serial for legacy system integration
    • Wall-mount yellow spacer stopper element for visual identification in arrays
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.99
    The item has been added Add to quote
  • STI Stackable Green 10mm Spacer Stopper® Station Push Button series
    Add to Cart The item has been added

    STI KIT-102720-G

    STI 10mm Spacer Stopper® - KIT-102720-G

    Stackable 10mm green push button with 9VDC TCP/IP networked strike

    • TCP/IP network connectivity integrates with centralized access control systems
    • 9VDC operation compatible with STI stackable push button station frameworks
    • Modular design stacks for multi-button configurations in door access panels
    Usually Ships in 2-3 Weeks Free shipping over $499
    $11.99
    The item has been added Add to quote