Locking format
Self-locking fixed padlock seal with steel shackle
MC-PL03 / PADLOCK SECURITY SEAL
Polypropylene (PP) body and steel shackle in a single-use padlock format. Catalogue MOQ 5,000 pieces. View original dimensions, custom marking, packing and two representative closure applications.
Price and delivery timing are confirmed against your quantity, colors and print requirements.
PRODUCT OVERVIEW
MC-PL03 is a single-use padlock-format seal for identification and opening checks on compatible closures. Self-locking fixed padlock seal with steel shackle. Original drawing: body length 37 mm and width 21 mm; shackle extension reference 15–20 mm and width 18 mm; wire diameter 1 mm; body thickness references 5 mm and 7 mm. Confirm the selected shackle position and opening clearance on a sample.
Self-locking fixed padlock seal with steel shackle
Polypropylene (PP) body and steel shackle
Specify artwork and identifier requirements so the print method and available marking area can be confirmed.
TECHNICAL DATA
| Model | MC-PL03 |
|---|---|
| Seal type | Padlock Security Seal |
| Material | Polypropylene (PP) body and steel shackle |
| Catalogue tensile value | about 15kgf |
| MOQ | 5,000 pieces |
| Lead time | Confirmed after quantity, color, artwork and destination are reviewed. |
| Seal format | Padlock Security Seal |
| Catalogue pages | 50 |
| Printing services | Laser marking, screen printing, UV printing and hot stamping; process feasibility confirmed per material and artwork |
| Locking format | Self-locking fixed padlock seal with steel shackle |
| Drawing notes | Original drawing: body length 37 mm and width 21 mm; shackle extension reference 15–20 mm and width 18 mm; wire diameter 1 mm; body thickness references 5 mm and 7 mm. Confirm the selected shackle position and opening clearance on a sample. |
The catalogue reports an approximate tensile value of 15 kgf. Test conditions, test method and a guaranteed minimum are not provided by this entry; request model-specific evidence for a defined requirement.
Source: MANCHAO Security Seal Catalogue 2024, PDF pages 50. Company printing services confirmed October 2026. Model-specific claims require supporting evidence.
DIMENSION REFERENCE

Original drawing: body length 37 mm and width 21 mm; shackle extension reference 15–20 mm and width 18 mm; wire diameter 1 mm; body thickness references 5 mm and 7 mm. Confirm the selected shackle position and opening clearance on a sample.
APPLICATION CHECK
Two representative closures: rigid courier transport tote and delivery van access door. Check shackle diameter, clearance, closure geometry and required inspection process. The images illustrate opening identification, not a verified transport security classification.

Pass the shackle through both closure points, then engage the free end in the locking barrel. Check engagement and record the identifier. Verify hole size and shackle clearance on a sample.
AI-generated application illustration; confirm closure fit with a sample.
Pass the shackle through both closure points, then engage the free end in the locking barrel. Check engagement and record the identifier. Verify hole size and shackle clearance on a sample.
AI-generated application illustration; confirm closure fit with a sample.MARKING & COLORS
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send your logo, serial sequence and barcode requirements. Confirm the actual marking area, contrast, adhesion and process on this model with a production sample.
Fine logo, text and serial identification; contrast depends on the seal color and material.
Solid-color logos and text; artwork and color matching are approved before production.
Color artwork and identification; layout and surface adhesion are checked on a sample.
Foil-transfer text and logos; confirm foil color, marking area and artwork.

White, yellow, red, blue, green, orange or customized.
INSTALLATION & INSPECTION
1. Fully close the lid or access door and align the designed sealing eyelets. 2. Pass the free steel shackle end through both closure points. 3. Engage the free end in the integral locking body and verify the closure without damaging the seal. 4. Record the identifier; compare it and inspect the seal and closure at handover. 5. Confirm the approved removal method for this exact model on a sample. Single-use; do not reuse after removal.
PACKING & ORDERING
Catalogue lists two packing options: 1,000 pieces/carton; 39.5 × 26.5 × 19 cm; gross weight 3.9 kg. 5,000 pieces/carton; 42 × 38 × 41 cm; gross weight 28.9 kg. Confirm the chosen option and current shipment weight in the quotation.
Send your quantity, destination, chosen colors and print requirements. Confirm samples, current packing and delivery terms before placing an order.
PRODUCT DOCUMENTS
BUYING QUESTIONS
Original drawing: body length 37 mm and width 21 mm; shackle extension reference 15–20 mm and width 18 mm; wire diameter 1 mm; body thickness references 5 mm and 7 mm. Confirm the selected shackle position and opening clearance on a sample.
Polypropylene (PP) body and steel shackle
5,000 pieces in the supplied catalogue; confirm the selected configuration with your quotation.
1. Fully close the lid or access door and align the designed sealing eyelets. 2. Pass the free steel shackle end through both closure points. 3. Engage the free end in the integral locking body and verify the closure without damaging the seal. 4. Record the identifier; compare it and inspect the seal and closure at handover. 5. Confirm the approved removal method for this exact model on a sample. Single-use; do not reuse after removal.
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send your logo, serial sequence and barcode requirements. Confirm the actual marking area, contrast, adhesion and process on this model with a production sample.
Catalogue lists two packing options: 1,000 pieces/carton; 39.5 × 26.5 × 19 cm; gross weight 3.9 kg. 5,000 pieces/carton; 42 × 38 × 41 cm; gross weight 28.9 kg. Confirm the chosen option and current shipment weight in the quotation.
The catalogue reports an approximate tensile value of 15 kgf. Test conditions, test method and a guaranteed minimum are not provided by this entry; request model-specific evidence for a defined requirement.
Confirm quantity, color, artwork and destination so sample terms and delivery timing can be quoted.
MC-PL03 / START YOUR ENQUIRY
Tell us your quantity, colors and marking requirements.