Sauer System

Slotter Heads & Trim Knife Hubs

Slotter Heads and Slitting Heads

Sauer System manufactures high quality, precision machined slotter heads and slitter heads.

All Sauer System slotter heads are machined with tight bore tolerances and stringent face runout tolerances to ensure true running parts. When possible, heads include modular features such as replaceable yoke wear plates, insert keyways, and can ship as full assemblies.

Heads are made from the finest quality continuously cast grey iron or grey iron castings to ensure the heads don’t gall the shaft, creating long-term problems. Heads are plated to prevent corrosion.

Manually-Set Heads

Yoked Heads

Jumbo Heads

Lower Slotter Heads

Upper slotter heads are permanently index stamped, plated to prevent corrosion, and feature a dowel pin at the split line which assures perfect circular bore alignment. T-bolt assemblies are included with our slotter heads.

Lower slotter heads come as assemblies with slotting blades and a spacer when requested. Lower heads are also available without blades.

Yoked slotter heads can be designed as assemblies with yoke wear blades installed. Yoked Sauer slotter heads are manufactured to extremely tight and exacting tolerances, and are tested on plug gauge.

Manual set slotter heads feature a brass tip assembly set-screw design which allows the operator to clamp the head in place without damaging the shaft.

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Female Slotting Blades and Spacers

Sauer System’s female slotting blades and spacers are manufactured from high quality tool steel for a longer lasting cutting edge. All blades are machined true to maintain a consistent shearing surface, with special attention paid to tolerances and face run-out. The result is cleaner cutting and extended life of the knives which cut against the blades.

Slotting Blade

slotting blades and spacers

Slotting Spacers

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Trim Knife Hubs

Sauer System manufactures trim knife hubs for printer-slotters, flexo folder-gluers, corrugators, and floor slitters. Hubs are made from cast iron, plated to prevent corrosion, and precision machined to minimize knife runout and ensure proper slitting.

A knife will only run as true as the hub to which it’s mounted.

trim knife manually-set

Manually-Set Trim Knife Hub


trim knife manually-set

Yoked Trim Knife Hub

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Manufactured by Sauer System

Sauer System manufactures high-performance tooling for the corrugated box industry and is an affiliate of Sauer Machine Company. View more Sauer System solutions available through UMS, here.

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02 9680 7944