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Injection Molding Insights

Technical guides, industry news, and manufacturing expertise from our team of tooling engineers.

A picture of the corporate head quarters of TK Mold in China whom is a top high volume mold maker in china.China Mold Making

China Mold Maker Red Flags: 10 Warning Signs to Walk Away

China mold maker red flags are easy to miss until you are already deep into a failed tool program. This article covers 10 specific warning s...

April 9, 20269 min read
Featured image for Hot Runner vs Cold Runner SystemsInjection Molding

Hot Runner vs Cold Runner Systems: Cost, Performance, and When to Choose Each

The hot runner vs cold runner decision swings tooling budgets by $15,000 to $40,000 and per-part cost by 8% to 22%. This guide breaks down u...

April 9, 20269 min read
Pyramid illustrating design and production processes.Injection Molding

DFM for Injection Molding: Complete Checklist for Wall Thickness, Draft, Ribs, and Bosses

Late-stage design changes after T1 sampling cost $8,000 to $22,000 per revision. This complete DFM checklist for injection molding covers wa...

April 9, 202612 min read
a picture of cores from an injection mold along with ejector pins protruding from the cores.Injection Molding

Injection Mold Steel Selection: P20, H13, S136, and NAK80

Choosing the wrong injection mold steel adds thousands in rework and cuts tool life short. This guide compares P20, H13, S136, and NAK80 acr...

April 9, 20269 min read
a mold plate being machined at a mold manufacturer in a cnc milling machine.Injection Molding

SPI Mold Classification: Class 101 Through 105 Explained

SPI mold classification defines five tiers of injection mold construction, from Class 101 production tools rated for 1,000,000-plus cycles t...

April 9, 20269 min read
Featured image for Mexico vs China Injection MoldingMold Making

Mexico vs China Injection Molding: The Nearshoring Comparison

Mexico wins on total landed cost for most US programs under 500,000 annual parts once USMCA tariff savings, freight, and inventory carrying ...

April 9, 202610 min read

Reshoring vs Offshoring Injection Molding: The 2026 Decision Framework

The reshoring vs offshoring injection molding decision depends on six variables, and most manufacturers score at least two of them wrong. Th...

April 9, 202610 min read
Quality assurance specialist performing detailed inspection of plastic injection mold componentsChina Mold Making

China Injection Mold Tariffs 2026: Cost Impact + Workarounds

China injection mold tariffs in 2026 stack Section 301, base MFN, and executive order duties to a combined rate of roughly 48.1% on HTS 8480...

April 9, 20269 min read
The home page of tkmold.com whom is one of the premier mold maker's in china.China Mold Making

How to Evaluate a China Mold Maker: The 15-Point Buyer Checklist

Picking the wrong China mold supplier can cost $40,000 to $120,000 in corrective tooling. This 15-point checklist covers capability, quality...

April 9, 202610 min read