Senlan Precision Parts Co.,Ltd.
                                                                                                           
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20 Years
Since 2006
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NAK80 SKD61 Collapsible Core Injection Mold Parts with 46-56 HRC Hardness and Single Multi Cavity

Price Negotiable
Price: Negotiable
MOQ: 1pcs
Delivery Time: 5-20working days
Brand: SENLAN
Product Description
NAK80 / SKD61 Collapsible Core Injection Mold Parts 46-56 HRC
Product Overview

Collapsible core injection molding applies to plastic injection molding and extrusion, ideal for parts where inner cavity dimensions exceed outer dimensions. This technology enables quick and successful demolding during injection and extrusion processes, suitable for applications such as collapsible pipes/fittings, instrument shells, and sealed gates.

Upmold specializes in internal undercut injection molding and tooling services, offering comprehensive solutions from part design and tooling design to mold making, tooling trials, and production.

  • Internal undercut injection molding
  • Collapsible core injection molding
  • Collapsible core mechanism design and manufacturing
  • Dovetail collapsible core customization
  • Collapsibility of core tooling building
General Mold Specifications
Items Description
Mould Core DIN2312, 2738, 2344, 718, S136, 8407, NAK80, SKD61, H13 etc.
Hardness of steel 46-56 HRC
Mould Standard HASCO, DME, MEUSBURGER, JIS, CHINA LKM Standard
Mould Base LKM & Hasco & DME standard (A,B plate 1730, 2311, 2312, P20)
Cavity Single/Multi
Runner Hot/Cold Runner
Maximum Mould Size 1500*1500 mm
Surface of Mould EDM / High Polish & Texture
Plastic material PP, PC, PS, PE, PET, POM, PA, PU, PVC, ABS, HIPS, PMMA etc.
Mould Life 300,000-1,000,000 shots
Specification Depends on customer's requirements
Surface Treatment Polish, texture, painting, screen printing, turnkey project
Trade terms FOB Shenzhen, EXW, CIF
Export to Europe countries, USA, Mexico, Australia, Middle-east, Asia etc
Mold hot runner DME, HASCO, YUDO, etc
Mold cold runner Point gate, side gate, subgate, tunnel gate, banana gate, direct gate, etc.
Mold heat treatment Quenching, nitridation, tempering, etc.
Surface finish of Part Logo print, Texture, Polishing, Painting, Chrome Plating
Delivery time 20-35 Days
Outside package Standard wooden cases or as your requirement
Inner package Stretch waterproof film & Each Mold painted, anti-rust oil. Spare parts together with the mold shipment.
Mold cooling system Water cooling or Beryllium bronze cooling, etc.
Our Services
  • Customer's request is our purpose and target
  • Quick samples delivery service and production according to your BOM
  • Professional production team, strict quality control department, experienced sales department
  • One-stop solution for long term customers
  • Customized size and OEM/ODM service acceptable
  • 100% inspection before delivery, quality warranty and long term after-service
  • Competitive price, excellent service, quick delivery, safety payment, flexible trade terms
Product Capabilities
  • Core pin, cavity pin, insert pin etc
  • HSS punch, Precision punch, Special-shaped punch
  • Ejector pins, ejector sleeve, two-stage ejector pins etc
  • Guide pillars, Guide bushings, Guide post set
  • Slide Core Units, Latch locks, locating Series
Quality Control

SENLAN maintains strict quality control systems from raw material incoming to finished products outgoing. Our mold parts are guaranteed for high precision, superior polishing, and long service life.

Quality Inspection Process
  • Material incoming: 100% inspection
  • Rough Finished: 100% inspection
  • Heat treatment: random inspection
  • Face grinding: 100% inspection
  • Center-less cylindrical grinding: 100% inspection
  • OD/ID grinding: 100% inspection
  • EDM: 100% inspection
  • Wire-Cutting: 100% inspection
  • Packing: final 100% inspection before formal shipment
Packaging & Delivery

Package: Coated with anticorrosive oil, packed in carton box

Delivery: Typically 7-15 working days for ejector pin types, specific timing depends on quantity

Shipping: Express services including DHL, UPS, FEDEX etc., or according to customer requirements. Delivery typically takes 3-5 days with provided shipping/tracking numbers. Ocean shipping available for larger quantities for economic efficiency.

Frequently Asked Questions
Q: What is your quote elements?

A: Product standard: model + size, or customer drawing.

Q: How can you ensure the quality?

A: We have QC department to control the quality from the beginning of production until goods finish.

Q: If you make poor quality goods, will you refund our fund?

A: We maintain high quality standards and manufacture goods to your satisfaction.

Q: Do you test all your goods before delivery?

A: Yes, we perform 100% QC testing and provide QC reports for mold parts before delivery.

Q: Can you produce according to the samples or drawings?

A: Yes, we can produce parts based on your samples or technical drawings.

Precision mold parts manufacturing process

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Senlan Precision Parts Co.,Ltd.
Location NO.27,ShangLang Road,XiaBian District,Chang'an town, Dongguan China
Contact Person Merry

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