Toolex Reamer - Stub Type - Spiral Flute - Straight Shank - HSS-E - H4 - 4.87mm Endmill25 The Widin Carbide End Mill

The Widin Carbide End Mill is a 4 mm ball-nose end mill with a four-flute configuration and a short shank

The 30° helix angle reduces cutting loads

When paired with your ER40 spindle

Helix: High-helix geometry for efficient material removal and reduced cutting forces

5 µm run-out for exceptional concentricity: Maintains near-perfect alignment between tool and spindle

Toolex Reamer - Stub Type - Spiral Flute - Straight Shank - HSS-E - H4 - 4.87mm Endmill25 The Widin Carbide End MillThe Toolex Reamer Stub Type Spiral Flute Straight Shank HSS E H4 4. 87mm finishes 4. 87 mm holes to ISO H4 tolerance, delivering repeatable, precise results in reaming operations. Substrate: HSS E (M35 cobalt) for enhanced wear resistance and longer tool life. Flute form: Left hand spiral flute with right hand cutting for stable finishes and efficient swarf removal. Diameter: 4. 87 mm, sized for tight, accurate hole finalization. Shank: Straight shank