ACCORDING TO THE CHARACTERISTICS OF SOFT MATERIALS SUCH AS ALUMINUM ALLOY AND COPPER ALLOY, IT ADOPTS A 45 DEGREE LARGE HELIX ANGLE DESIGN, WHICH GREATLY IMPROVES PRODUCTION EFFICIENCY, IS SHARP AND DURABLE, AND IS CONVENIENT FOR CHIP REMOVAL.MIRROR POLISHED, BEAUTIFUL APPEARANCE Specification Material: Tungsten Carbide Steel Alloy Coating: Colorful DLC Coating Wide variety of materials applied SUITABLE FOR SOFT MATERIALS SUCH AS ALUMINUM ALLOY, COPPER ALLOY, MAGNESIUM ALLOY, ACRYLIC, ETC. 3 Flute HRC 55° Carbide Square End Mill for aluminum SURFACE FINISHES ARE GREATLY IMPROVED NO MATTER IF YOU ARE ROUGHING OR FINISHING DUE TO EFFECTIVE CHIP REMOVAL; CUT FASTER THANKS TO SUPERIOR MATERIAL REMOVAL RATE (MRR) ESPECIALLY WHEN SLOTTING. HIGH FEED U-SHAPED DESIGN MAKES THESE TOOLS IDEAL FOR MACHINING ALUMINUM AND COPPER ALLOYS; INCREASES PRODUCTIVITY HIGH PRECISION HIGH PRECISION GRINDING AND POLISHING, HIGH RESISTANCE TO ABRASION AND TEMPERATURE RESISTANCE, GOOD RIGIDITY, HIGH DURABILITY AND NOT EASY TO BREAK. LARGE CHIP REMOVAL FULLY GROUND SPIRAL GROOVE SPIRAL GROOVES ARE FINELY GROUND, AND THE SPIRAL DESIGN IS OPTIMIZED SMOOTH CHIP REMOVAL WITHOUT STICKING TO THE KNIFE, GREATLY IMPROVING PRODUCTION EFFICIENCY PROCESSED BY A PRECISION GRINDER, AUTOMATED PRODUCTION LINES ENSURE HIGH TOOL ACCURACY. GOOD STABILITY, NO NEED FOR FREQUENT TOOL CHANGE THE BLADE AFTER TEN TIMES MAGNIFICATION NO FLAWS IN THE CUTTING EDGE FULLY SHARPENED BOTTOM KNIFE STRAIGHT AND SHARP IMPORTED FINE GRAIN GRINDING WHEEL, FINE GRINDING ENSURE SMOOTH FEED AND SMOOTH END MILLING Carbide Square End Mill Set for Alloy Steels/Hardened Steels, AlTiN Coating Carbide Square End Mill Set for Alloy Steels/Hardened Steels, AlTiN Coating Carbide Square End Mill Set for Alloy Steels/Hardened Steels, AlTiN Coating Carbide Square End Mill Set for Alloy Steels/Hardened Steels, AlTiN Coating Spiral Upcut Milling Cutter Tool Set for Wood PVC MDF Hardwood Spiral Upcut Milling Cutter Tool Set for Wood PVC MDF Hardwood Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.5 out of 5 stars 76 4.5 out of 5 stars 76 4.5 out of 5 stars 76 4.5 out of 5 stars 76 5.0 out of 5 stars 5 5.0 out of 5 stars 5 Price $110.00$110.00 $23.99$23.99 $47.99$47.99 $28.99$28.99 $23.99$23.99 — no data Imperial 1/8“-1/2” 1/8“ 1/4“ 1/4“ extra long 1/8“ 1/4“ Flute 4 4 4 4 2 2 Excellent processing carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc engraving/cutting/engraving/milling/grooving/engraving of acrylic, nylon, resin, plastic, MDF, wood, plywood, hardwood, etc. engraving/cutting/engraving/milling/grooving/engraving of acrylic, nylon, resin, plastic, MDF, wood, plywood, hardwood, etc. 4 Flute 55 Deg for Alloy Steels/Hardened Steels 4 Flute 55 Deg for Alloy Steels/Hardened Steels 4 Flute 55 Deg for Alloy Steels/Hardened Steels 3 Flute End Mill for Aluminum 3 Flute End Mill for Aluminum 3 Flute End Mill for Aluminum Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.0 out of 5 stars 17 4.0 out of 5 stars 17 4.0 out of 5 stars 17 4.4 out of 5 stars 23 4.4 out of 5 stars 23 4.4 out of 5 stars 23 Price $20.99$20.99 $21.99$21.99 $26.99$26.99 $20.99$20.99 $21.99$21.99 $22.99$22.99 Metric 2mm 3mm 4mm 4mm 5mm 6mm 12mm 2mm 3mm 4mm Flute 4 4 4 3 3 3 Excellent processing carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc carbon steels / alloy steels/ pre-hardened steels/ cast iron，Etc Aluminum / Copper Aluminum / Copper Aluminum / Copper