Padlock Trade-In Program:Send us your old padlocks (we pay shipping) for 50% off MSRP on direct replacements!
sales@monarchengineeringsystems.com
Monarch Engineering Systems
Monarch Engineering
Systems

Professional Padlock Solutions

From tactical operations to deep-sea missions, our ATSM compliant padlocks deliver uncompromising security with volume pricing and fast delivery to the lower 48 states.

Heavy Duty Steel Padlock - Keyed Alike
Heavy Duty Steel Padlock - Keyed Alike
Multi-layer security with heavy duty weather-resistant laminated steel construction for commercial use. Available in 5 sizes with precise dimensional specifications.
Available Sizes & Coating Options
Size Specifications
Heavy Duty Steel Padlock - Keyed Alike size specifications
Weatherproof Coating
Heavy Duty Steel Padlock - Keyed Alike with plastic coating
Size & Pricing Table
SizeDimensionsWeightShackleCase (100)
DSL530 (30mm)30×26.4mm95g5mm$10.9/unit
DSL540 (40mm)40×33mm145g6mm$12.9/unit
DSL545 (45mm)45×33mm165g7mm$14.9/unit
DSL550 (50mm)50×37.5mm195g9mm$16.9/unit
DSL565 (65mm)65×45mm285g11mm$19.9/unit

Pallet pricing (3,600 units): Starting at $7.15/unit

Truckload pricing (50k+ units): Starting at $5.1/unit

Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • Weather resistant coating
  • Indoor/Outdoor Use
  • Rated from -60F to 120F
  • Corrosion proof materials
  • Key alike options available
  • Serial numbers at no additional cost
  • Optional plastic weatherproof coating (+$3/unit)
  • Free logo engraving with coating
  • ATSM A276 steel
Volume Pricing
Case (100 units)
$12.9/unit
Lead time: 7-10 business days
Pallet (3,600 units)
$8.15/unit
Lead time: 14-21 business days
Truckload (50,000+ units)
$6.1/unit
Lead time: 25-31 business days
Procurement Timeline
Quote Response
Same day response
Order Approval
1-2 business days
Production Time
5-25 business days
Shipping
2-6 business days
High Security Brass Utility Padlock
High Security Brass Utility Padlock
Maximum security for critical applications and high-value assets. Non-conductive brass construction available in 7 sizes from 20mm to 75mm with precision engineering.
Available Sizes & Coating Options
Size Specifications
High Security Brass Utility Padlock size specifications
Weatherproof Coating
High Security Brass Utility Padlock with plastic coating
Size & Pricing Table
SizeDimensionsWeightShackleCase (100)
KP261 (20mm)20×20mm45g3.1mm$12.9/unit
KP262 (25mm)25×25mm68g4.1mm$14.9/unit
KP263 (32mm)32×28mm95g5.1mm$16.9/unit
KP264 (38mm)38×33mm125g6.3mm$18.9/unit
KP265 (50mm)50×40mm185g8mm$21.9/unit
KP266 (63mm)63×49mm245g9.5mm$24.9/unit
KP267 (75mm)75×55mm315g11mm$27.9/unit

Pallet pricing (3,600 units): Starting at $9.1/unit

Truckload pricing (50k+ units): Starting at $6.05/unit

Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • Pick resistant cylinder
  • Drill resistant brass
  • Cut resistant shackle
  • Non-conductive brass construction
  • Brass hardened shackle available at no additional cost
  • Indoor/Outdoor Use
  • Rated from -60F to 120F
  • Key alike options available
  • Serial numbers at no additional cost
  • Optional plastic weatherproof coating (+$3/unit)
  • Free logo engraving with coating
  • ISO 9001 compliant manufacturing
Volume Pricing
Case (100 units)
$18.9/unit
Lead time: 7-10 business days
Pallet (3,600 units)
$15.1/unit
Lead time: 14-21 business days
Truckload (50,000+ units)
$12.05/unit
Lead time: 25-31 business days
Procurement Timeline
Quote Response
Same day response
Order Approval
1-2 business days
Production Time
5-25 business days
Shipping
2-6 business days
Marine Deep Sea Padlock
Marine Deep Sea Padlock
Engineered for underwater operations up to 3000m depth without failure
Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • 3000m depth rating tested
  • Underwater and Marine applications
  • Serial number assignment
  • Business Exclusive key alike available
  • Saltwater corrosion resistant
  • Pressure tested to 300 bar
  • Marine grade 316L stainless steel
Volume Pricing
Truckload (50,000+ units)
$145/unit
Lead time: 26-50 business days
Tactical Operations Padlock
Tactical Operations Padlock
Military-grade security for tactical and defense applications
Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • MIL-STD-810 compliant
  • Silent operation mechanism
  • Night vision compatible coating
  • Field tested by military units
Volume Pricing
Case (100 units)
$95/unit
Lead time: 5-7 business days
Pallet (3,600 units)
$82/unit
Lead time: 10-14 business days
Truckload (50,000+ units)
$68/unit
Lead time: 21-28 business days
NATO Specification Padlock
NATO Specification Padlock
NATO-compliant padlocks meeting international defense standards
Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • NATO STANAG 4280 certified
  • Multi-national key compatibility
  • Defense grade materials
  • Standardized keying system
Volume Pricing
Case (100 units)
$155/unit
Lead time: 7-10 business days
Pallet (3,600 units)
$135/unit
Lead time: 14-21 business days
Truckload (50,000+ units)
$115/unit
Lead time: 28-42 business days
Transorbital Space Padlock
Transorbital Space Padlock
Space-grade security for aerospace and satellite applications
Optional Weatherproof Coating
Add plastic weatherproof coating for +$3.00 per padlock with free logo engraving
Key Features
  • Vacuum rated to 10⁻⁶ torr
  • Temperature range -180°C to +150°C
  • Radiation resistant materials
  • Zero outgassing certified
Volume Pricing
Case (100 units)
$425/unit
Lead time: 14-21 business days
Pallet (3,600 units)
$385/unit
Lead time: 28-35 business days
Truckload (50,000+ units)
$325/unit
Lead time: 42-56 business days

Custom Padlock Design Services

Beyond our standard product line, we specialize in creating custom padlock bodies and internal components tailored to your exact specifications and requirements.

Unlimited Customization Options

Custom Body Shapes

Design padlock bodies in unique shapes including company logos, geometric forms, or specialized configurations that go beyond traditional rectangular designs.

Internal Component Engineering

Custom locking mechanisms, specialized key systems, unique pin configurations, and proprietary security features designed specifically for your application requirements.

Branding Integration

Step up from simple logo engraving to full 3D logo integration molded directly into the padlock body, creating a truly unique branded security solution.

Custom Design Process

1

Consultation

Discuss your specific requirements and design vision

2

Engineering

Our team creates detailed technical specifications

3

Prototyping

Develop and test functional prototypes

4

Production

Manufacture your custom padlocks to exact specifications

Minimum order quantities apply for custom designs