SCHLEIFSCHEIBEN

The primary benefit is its screwless, mono block pull-down design, which completely eliminates jaw lift. Traditional machine vises use a long lead screw that pushes the moving jaw forward, creating an upward force component that lifts the jaw face and tilts the workpiece. A screwless grinding vise uses an angled tightening design that draws the moving jaw down and forward simultaneously, keeping the workpiece completely flat against the base rails within a  tolerance.

It is not recommended. Grinding vises are engineered for maximum geometric precision, squareness, and flat workholding rather than resisting heavy lateral shear loads. Heavy rough milling forces can overpower the screwless locking pin anchor, causing the workpiece to slip, which can damage the part, ruin the alignment, and shatter your cutting tools. Keep these tools reserved for surface grinding, EDM, layout work, and final quality inspections.

Remove the moving jaw completely from the monoblock frame and submerge both components in a clean solvent degreasing bath. Use a stiff nylon or brass wire brush to clean out packed metal sludge and grinding grit from the internal locking pin slots along the center track. Wipe the components completely dry and apply a light micro-film of rust-preventative oil before reassembling the tool.

Parallelism means two flat surfaces remain at a perfectly equal distance from each other across their entire length (such as the bottom base rail relative to the top jaw step). Squareness means a vertical surface sits at a perfect 90-degree angle relative to a horizontal reference surface (such as the jaw face relative to the base rail). A
professional grinding vise maintains both limits within  per .

Yes, their open screwless design makes them ideal for wire and ram EDM work. With no complex internal gears or threaded pockets to trap fluids or trap eroding particles, they are easy to clean after submersion. Always wash the vise in clean water or solvent after an EDM cycle, dry it completely, and apply a light coat of protective oil to prevent surface staining.

Because the vise body is machined from solid, high-permeability ferromagnetic tool steel alloy, magnetic chucks can grip its wide, flat bottom surface with high force. Once the magnetic table is turned on, the vise locks securely in place, providing a rigid, vibration-free setup for flat surface grinding without the need for additional mechanical
clamps.

A sine bar allows you to set the grinding vise at highly accurate angles for custom taper, bevel, or relief angle grinding. By placing specific combinations of precision gauge blocks under one end of the sine bar, you can tilt the vise to exact angles down to arc-seconds, ensuring perfect results on custom tool, die, and punch components.

The multi-slot base allows you to adjust the opening capacity quickly without using a long, slow lead screw. You simply slide the moving jaw assembly along the internal track and drop the locking pin into the slot closest to your workpiece thickness. The angled hex screw is then tightened to lock the part, allowing you to secure different part sizes in seconds.

No, avoid using heavy way oils or sticky chassis greases on grinding vises. Abrasive grinding dust and grit will stick to heavy lubricants, forming an abrasive lapping paste that can score the slide tracks and throw off your alignment. Use a low-viscosity metrology oil or dry micro-film protectant that resists catching grit.

Through-hardening ensures that the tool steel maintains structural uniformity and wear resistance throughout its entire body, rather than just a thin outer layer. Surface grinding produces highly abrasive metal dust and wheel grit that can quickly scratch and wear down soft cast iron. A hardness rating of HRC 58–62 protects the ground slide tracks from scratching, helping the vise maintain its flat, parallel alignment over years
of daily shop use.