Smooth guide bushing STB series

for molds and tools

Progressive Solid Alloy Bronze Shoulder Bushings provide alignment between mold halves, yet do not gall the mating leader pins. An oil hole is provided for use when external lubrication is preferred. The Teflon® insert adds lubricity and prevents grease migration to parting line. Progressive Straight Bushings are available in non-plated steel and graphite-plugged. Progressive Guided Ejector Bushings are manufactured from a solid alloy bronze to eliminate galling to leader pins and outperform steel busings. Graphite plugged bushings also available Progressive QC Shoulder Style Bushings are manufactured from a solid alloy bronze to reduce friction and eliminate galling to leader pins. The Teflon lubricating insert is FDA compliant, compatible with commonly used greases and prevents grease migration to parting line BRONZE PLATED SHOULDER BUSHINGS □ - AISI1026 Q 22-23 HRC 0 B'onze Plated: .004* Deep To order: - Specify "SHB" in the prefix to replace "SAB" in the chart at left. Example: SHB200L2.37 for 2" ID x 2.37 long bushings Notes: - Bronze plated shoulder bushings hâve internai grease grooves. Grease entry hole to be machined by mold maker. The bearing of the inner diameter is through. where the clearance "X" on the previous page does not apply. Not available in 1/2” diameter. GRAPHITE P LU GG E D SHOULDER BUSHINGS □ - CA954with oil impregna:ed graphite plugs □ 170 Brinell To order: - Specify “SGP" in the prefix to replace "SAB" in the chart at left. Example: SGP200L2.37 for 2 " ID x 2.37 long bushings Notes: - Graphite plugs are not compatible with grease. Use a light 20 weight oil at startup to begin lubrication.