Mold Guide Bushing

The mold guide bushing is an essential guide part in precision molds. It works with the guide pin to ensure accurate relative positioning of the upper and lower mold halves during opening and closing. Our product is made from high-quality bearing steel or alloy tool steel through precision turning and grinding. The inner bore is finished with high-precision honing. This gives the product excellent roundness and surface finish for precision mold applications. This product fits injection molds, stamping molds, and die-casting molds.

Every mold guide bushing goes through strict dimensional inspection and concentricity verification. The clearance with the guide pin is kept to within microns. We also offer self-lubricating products upon request. This significantly reduces routine maintenance frequency. We supply these products to multiple precision mold manufacturers. Annual capacity exceeds 100,000 pieces.

The clearance between the mold guide bushing and guide pin depends on mold precision requirements. It is typically between 0.005mm and 0.020mm. Our technical team can recommend the optimal fit based on your mold type. Self-lubricating products contain graphite or solid lubricant. They can maintain over 500,000 opening and closing cycles without additional lubrication. This significantly extends maintenance intervals. Need a custom product? Our engineers can adjust the material, size, or lubrication type. First articles are ready in 10 to 15 days. Shipping is FOB Ningbo or Shanghai. Delivery takes 15 to 20 days after order confirmation.

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