DXL Safety Door Bolt (DXL-A / DXL-B)

Name: DXL Safety Door Bolt (DXL-A / DXL-B)
Brand: DAIDISIKE
SKU: dxl-safety-door-bolt

Purely mechanical safety door bolt pre-drilled to mount DX-W2/W3/D2/D3 interlock switches directly.

▶ Watch it in action: Safety Light Curtain + Guard-Locking Door Switch Interlock — Wiring Demo

Technical Specifications

Output type	No electrical output (purely mechanical door bolt; can be combined with an interlock switch for an integrated bolt-plus-interlock assembly)
DXL-A material	Zinc-alloy base/slide handle + stainless steel handle
DXL-A weight	0.6 kg
DXL-A handle rod length	A-1 = 79 mm; A-2 = 106 mm
DXL-B material	Aluminum alloy + stainless steel handle + plastic ball knob
DXL-B mounting plate	B-1/B-2 = 326 mm; B-3 = 305/284 mm
Door gap range	1-10 mm
Bolt travel	48 mm
Mechanical life	1,000,000 operations
Pre-drilled mounting provision	DX-W2 / DX-W3 / DX-D2 / DX-D3; Ø15 rear release hole

Overview

DXL is a mechanical (non-electrical) safety door bolt used to physically hold shut a guard fence door or gate. It has no electrical output on its own — its role is to provide the mechanical locking/positioning of the door, with mounting provisions to add a DAIDISIKE interlock switch (DX-W2, DX-W3, DX-D2, or DX-D3) for electrical guard monitoring. It ships in two body styles: DXL-A (zinc-alloy base/slide handle with stainless steel handle) and DXL-B (aluminum-alloy base/slide handle with stainless steel handle and plastic ball knob).

It is intended for machine builders, fence/guarding integrators, and automation cell designers who are assembling perimeter safety fences for robot cells, CNC/press lines, or other automated equipment and need a mechanical bolt that can be paired with an electrical interlock switch to form a complete guard-door locking assembly. The bolt accommodates door gaps from 1 to 10 mm, has 48 mm of bolt travel, and carries a rated mechanical life of 1,000,000 operations.

Features & Benefits

Pre-drilled for direct interlock-switch mounting

The DXL base has a pre-drilled mounting pattern that accepts DAIDISIKE's DX-W2, DX-W3, DX-D2, or DX-D3 interlock switches directly, so the bolt and interlock switch can be assembled into a single bolt-plus-interlock guard-locking unit without custom brackets or field drilling.

Purely mechanical — no power, no wiring

DXL has no electrical output; it operates entirely mechanically and requires no power supply or cabling of its own. Electrical guard monitoring is provided by the interlock switch mounted on it.

1-10mm door gap tolerance

The bolt mechanism accommodates door gaps from 1 to 10 mm, tolerating typical on-site fence and gate fabrication and installation variance without field modification.

48 mm bolt travel with a rated 1,000,000-cycle mechanical life

The slide bolt has 48 mm of travel and a mechanical life rating of 1,000,000 operations, suiting sustained use on frequently accessed guard doors.

Two body materials for different weight/handle needs

DXL-A uses a zinc-alloy base and slide with a stainless steel handle (0.6 kg); DXL-B uses an aluminum-alloy base and slide with a stainless steel handle and plastic ball knob. DXL-A-2 and DXL-A-1 differ in handle-rod length (106 mm vs 79 mm), giving installers a choice for reach/clearance around the gate frame.

Ø15 rear release hole and multiple mounting-plate widths on DXL-B

DXL-B variants include a Ø15 mm rear unlocking/release hole and mounting-plate widths of 326 mm (B-1/B-2) or 305/284 mm (B-3), giving integrators options to match existing gate-frame hole spacing.

Five variants across two body styles

DXL-A-1, DXL-A-2, DXL-B-1, DXL-B-2, and DXL-B-3 give buyers a choice of material, handle length, and mounting-plate dimension to suit different door/gate constructions.

Applications

Robot-cell perimeter fence access doors — Because DXL mounts directly with DX-W2/W3 interlock switches, it can form the mechanical-plus-electrical locking point on a swing or hinged access door into a robot cell.

Automated production-line guard gates (press, CNC, assembly lines) — The 1-10mm gap tolerance and 48mm bolt travel suit typical fabricated aluminum-profile or steel-mesh fence gates used around production equipment.

Aluminum-profile fence sliding or hinged doors — The pre-drilled mounting plate (326mm or 305/284mm) is designed to align with common fence-door hole spacing used in profile-fence construction.

Two-stage door securing (mechanical bolt first, then electrical interlock) — Because the bolt is purely mechanical while the interlock switch it accepts provides the electrical monitoring signal, the assembly supports a workflow where the door is physically bolted and then electrically verified closed.

Retrofitting existing guard doors with an interlock switch — Since DXL already carries the mounting pattern for DX-W2/W3/D2/D3, it lets integrators retrofit a mechanical-only door with electrical guard monitoring without new drilling on the door frame.

Machine builders standardizing on one bolt across gate widths — Five variants (A-1/A-2/B-1/B-2/B-3) with different mounting-plate widths let a builder use one bolt family across doors of varying widths and hole spacing.

Models & Ordering Information

DXL-A (zinc-alloy base/slide handle)

DXL-A-1DXL-A-2

Zinc-alloy base and slide handle with stainless steel handle, 0.6 kg. DXL-A-1 has a 79 mm handle rod; DXL-A-2 has a longer 106 mm handle rod.

DXL-B (aluminum-alloy base/slide handle)

DXL-B-1DXL-B-2DXL-B-3

Aluminum-alloy base and slide handle with stainless steel handle and plastic ball knob. DXL-B-1/B-2 use a 326 mm mounting plate; DXL-B-3 uses a 305/284 mm mounting plate.

PDF & 3D CAD Downloads

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How to Select

Choose by base material: DXL-A has a zinc-alloy base (0.6 kg); DXL-B has an aluminum-alloy base. If body weight matters for your door construction, compare the two materials for your application.
Choose handle-rod length (DXL-A only): DXL-A-1 has a 79 mm handle rod, DXL-A-2 has a longer 106 mm handle rod — pick A-2 when more reach or clearance around the gate frame is needed, A-1 for tighter spaces.
Choose mounting-plate size (DXL-B only): DXL-B-1/B-2 use a 326 mm mounting plate, DXL-B-3 uses a 305/284 mm mounting plate — match to your gate-frame hole spacing to avoid field drilling.
Decide whether you need an interlock switch: add a DX-W2, DX-W3, DX-D2, or DX-D3 interlock switch to DXL's pre-drilled mounting pattern if the guard door needs an electrical signal for a safety circuit; use DXL alone if only mechanical locking is required.
Confirm door gap and stroke: verify the on-site door gap is within 1-10 mm and that the 48 mm bolt travel covers the door's opening/closing motion.

📘 Need the full method? How to Choose a Safety Door Switch / Interlock

When NOT to specify the DXL — and what to use instead

The door needs an electrical door-closed signal on its own, without adding a separate switch.

Why not: DXL has no electrical output of its own -- it is a purely mechanical bolt.

Use instead: Mount a DX-W2, DX-W3, DX-D2, or DX-D3 interlock switch onto DXL's pre-drilled provision

The guard must be actively held shut and released under safety-controller logic (e.g. only after hazardous motion stops).

Why not: DXL is a manually operated mechanical bolt; it has no solenoid-driven lock/release and no published resistance-to-forced-opening rating tied to controller logic.

Use instead: DX-D6, DX-W2, DX-W3, or DX-W5 solenoid guard-locking switches, which provide a rated holding force and controller-driven release

The on-site door gap falls outside 1-10 mm.

Why not: DXL's bolt mechanism is rated to accommodate door gaps from 1 to 10 mm only.

Use instead: Verify and correct the door/frame fabrication tolerance, or consult the factory for a bolt suited to the actual gap

The specification needs a quantified holding force resisting forced entry.

Why not: DXL's published data covers door gap, bolt travel, and mechanical life, but no holding-force rating for resisting forced opening is stated, unlike the solenoid door locks in the range.

Use instead: DX-W2, DX-W3, or DX-W5, which publish a 1300 N holding force

DXL-B is being specified for a weight-critical installation.

Why not: DXL-B's weight is currently unconfirmed -- one internal source states 1.05 kg while the latest PDF states 0.95 kg, and this discrepancy has not yet been resolved with the factory.

Use instead: Confirm the exact weight with the factory before finalizing a weight-sensitive design

Specifications we do not publish yet

We only publish a figure once we are confident it is true. The items below are still being validated through further testing and real-world customer feedback, so for now we would rather leave them open than guess. If one of them matters to your design, ask us for the latest validated status.

DXL-B weight (catalog vs. PDF discrepancy, 1.05 kg vs. 0.95 kg)
Operating temperature range
Holding force / resistance to forced opening for the bolt mechanism itself
Certificate or compliance documentation
Overall mechanism dimensions beyond mounting-plate width
Corrosion-resistance/finish rating for washdown environments

Frequently Asked Questions

Does the DXL safety door bolt have any electrical output?

No. DXL is a purely mechanical slide bolt with no electrical output of its own. Electrical guard monitoring is provided by mounting a separate DAIDISIKE interlock switch (DX-W2, DX-W3, DX-D2, or DX-D3) onto the bolt's pre-drilled mounting pattern.

Can DXL be used on its own without an interlock switch?

Yes. DXL can be used as a standalone mechanical bolt to hold a guard door shut. Adding a DX-W2/W3/D2/D3 interlock switch is optional and is used when the application also requires an electrical door-closed signal for a safety circuit.

What is the difference between DXL-A and DXL-B?

DXL-A uses a zinc-alloy base and slide handle with a stainless steel handle and weighs 0.6 kg. DXL-B uses an aluminum-alloy base and slide handle with a stainless steel handle and a plastic ball knob. DXL-B also has a Ø15 mm rear release hole and comes in three mounting-plate widths (B-1/B-2: 326 mm; B-3: 305/284 mm).

What door gap can the DXL bolt accommodate?

The DXL bolt mechanism is rated to accommodate door gaps from 1 to 10 mm.

What is the bolt travel and rated mechanical life of DXL?

Bolt travel is 48 mm, with a rated mechanical life of 1,000,000 (one million) operations.

What is the difference between DXL-A-1 and DXL-A-2?

They differ in handle-rod length — DXL-A-1 has a 79 mm handle rod, and DXL-A-2 has a longer 106 mm handle rod.

Which interlock switches is DXL designed to mount with?

The DXL base has a pre-drilled mounting pattern for DAIDISIKE's DX-W2, DX-W3, DX-D2, and DX-D3 interlock switches.

How many DXL variants are available?

Five: DXL-A-1, DXL-A-2, DXL-B-1, DXL-B-2, and DXL-B-3.

Related Categories and Example Products

Explore other functions that may be needed in a machine or line. The products below are category examples, not pre-validated electrical or safety combinations. Confirm each interface and application separately: Safety Relays · Safety Light Curtains · Safety Mats