the BL20 is trusted in production and repair shops demanding reliable
Sunnen ISCAR Style tooling delivers precision and performance for your most demanding machining operations
the A-12 system includes a mandrel assembly and a diamond-plated sleeve
this lubricant enhances efficiency and protects component integrity during press-fitting operations
Part of Sunnen's K-Series
BL12 SOFT STEEL MANDREL the BL20 is trusted inThe Sunnen BL12 Mandrel is designed for accurate, efficient honing of small to mid sized bores, delivering excellent roundness, size control, and surface finish. Built for durability and consistency, the BL12 integrates effortlessly with Sunnen machines, making it ideal for high precision applications in automotive, aerospace, and general manufacturing.