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The rounded cutting edge is ideal for shaping intricate contours and surface transitions on molds and dies
4-Flute Rigidity for Stable
Profile: Semi-circular cutting edge with a flat bottom creates precise keyseat slots and smooth seating surfaces
High-Performance RPM Range: Up to 20
Combined with the rigid HSS-E core and precise DIN 212-B specification
Toolex Reamer - Stub Type - Spiral Flute - Straight Shank - HSS-E - H4 - 3.90mm NCDC Drill Chuck The rounded cutting edge isToolex Reamer Stub Type Spiral Flute Straight Shank HSS E H4 3. 90 mm is a precision finishing tool designed for finishing drilled holes to ISO H4 tolerance under DIN 8089. Supplied by Toolex Ltd, this stub reamer uses an HSS E (M35 cobalt) composition for wear resistance and stable performance across materials. Diameter: 3. 90 mm Type: Stub type reamer Flute: Left hand spiral flute with right hand cutting Shank: Straight shank for easy mounting
