Larger-diameter HSS end mills for precision milling on Proxxon machines. This 4-piece set steps up from the smaller 2–5mm range, covering the most commonly used mid-size cutter diameters with a four-flute design for smoother finishes and improved material removal. What's included: 6mm (15/64") 7mm (9/32") 8mm (5/16") 10mm (13/32") Specifications: Material: HSS (High-Speed Steel) Flutes: four-flute for smoother surface finish and reduced chatter Supplied in a protective wooden box 4 pieces total Proxxon No. 24620 Works Well With: Mill/Drill Head PF 230 — primary compatible milling machine for this cutter set Drill Chuck for PF 230 — securely mount cutters for milling operations Compound Table KT 230 — precision XY table for controlled milling passes Fine Feed for PF 230 and Micro Miller FF 230 — add fine feed control for precise depth of cut Proxxon 4-Piece HSS Milling Cutter Set 2–5mm (No. 24610) — smaller diameter companion set for finer detail work Proxxon 3-Piece HSS Center Drill Set (No. 24630) — accurately locate holes before milling operations Returns can only be accepted for unused product in its original packaging. In addition to the returned item/items, a copy of the original packing slip or invoice is required. If proper paperwork is missing, PROXXON Inc. will not issue a credit. For warranty claims please call 1-877-776-9966. Please see our return and refund policy here. California Residents Prop 65 Information WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.