Core Insert Mold shares similarities with overmolding, incorporating different materials into the same part to enhance properties. While both processes slightly increase molded part costs, this is typically offset by eliminating manual post-molding operations. Lead time for overmolded and Core Insert Molded parts is 15 days—longer than single-part injection molding but significantly faster than traditional Core Insert Molding.

Unlike overmolding's two-step process requiring separate shots for substrate and overmold, Core Insert Molding is completed in one operation. Threaded inserts, bushings, sleeves, or bosses are manually placed into the mold before plastic injection, resulting in improved part strength and reliability.

Additional benefits include weight reduction when plastic parts with metal inserts replace all-metal components, and overall cost savings compared to parts requiring assembly operations.

• Shipping with Material report & heat treatment report
• Shipping with QC report
• Sample is free, without MOQ
• Delivery time is fast
• Professional sales and engineers service
• Tolerance maintained at ±0.005mm
• Small diameter sizes processed down to 0.2mm

17+ Years experience in precision components machining

Equipped with high accuracy machines imported from Japan, including FANUC, SODICK etc.

Through professional technique training, Senlan has developed a large group of skilled technical workers, with 60% having 5-8 years of company experience, forming a complete processing system.

Factory operates under humanitarian management with flexible production time to guarantee satisfying service.

A: Yes, we offer samples free of charge but do not cover freight costs.

A: Payment ≤ 1000USD: 100% in advance. Payment ≥ 1000USD: 30% T/T in advance, 70% balance before shipment.

A: No MOQ (minimum order quantity) - 1 piece or more welcome. Larger quantities receive greater discounts.

A: We support CAD, 3D (STP, X-T), PDF, pictures, or physical samples.