The sprue bushing is a critical component that connects the pouring basin to the runner in plastic molding applications. It controls material flow into the mold and features a tapered design to minimize turbulence and prevent air bubble formation during casting or molding processes.

Our manufacturing process utilizes advanced equipment including:

• OD Grinding and ID Grinding
• CNC Milling and CNC Turning
• Wire Cutting and EDM
• Precision Drilling

We maintain comprehensive inspection capabilities with equipment including:

• CMM (Coordinate Measuring Machine)
• 2.5D Measurement Systems
• Optical Projectors
• Calipers and Micrometers
• Hardness Testers and Altimeters

Delivery Time: 7-15 days (depending on quantity)

Payment Terms: 50% T/T before production, 50% T/T before shipment

Packaging: Inner packaging with recycled plastic boxes and anti-corrosive oil, outer packaging with sponge and PE bags, or customized to customer requirements

Our sprue bushings are widely used in:

• Cosmetic Packaging
• Medical Equipment
• Daily Necessities Packaging
• Automotive Components

• Competitive pricing with guaranteed quality
• Low MOQ (minimum 10 pieces accepted for special conditions)
• Customized sizes and OEM services available
• Precise tolerance control: ±0.05mm
• 100% quality inspection on all products

We specialize in manufacturing various mold components including:

• Core pins, cavity pins, insert pins
• HSS punches, precision punches, special-shaped punches
• Ejector pins, ejector sleeves, two-stage ejector pins
• Guide pillars, guide bushings, guide post sets
• Slide core units, latch locks, locating series