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Carbide Miniature Variable Helix End Mills - For Exotic Alloys & Aerospace Materials

Optimized for Titanium Alloys, Inconel, Nickel Alloys and Other High Temperature Materials. Outstanding Performance in Difficult to Machine Steels, Stainless Steels & Tool Steels.

  • Variable Helix Design Reduces Chatter and Harmonics, and Increases Material Removal Rates
  • Corner Radius for Improved Strength Eccentric Relief and Controlled Edge Prep
  • Latest Generation AlTiN Nano Coating Offers Superior Hardness and Heat Resistance
  • h6 Shank Tolerance for Shrink Fit Holders
  • Suitable For Steels Up To 45Rc
  • Center Cutting
  • Micro Grain Carbide
CUTTER DIA. LENGTH OF CUT   CORNER RADIUS FLUTES SHANK DIA. OVERALL LENGTH

 AlTiN NANO COATED
D1 +.0005"/-.0005" L2 +.010"/-.000"   R +.001"/-.001"   D2 (h6) L1 TOOL # PRICE
.015 (1/64) .022 (1.5x) .003 3 1/8 1-1/2 52215-C6 35.90
.015 (1/64) .045 (3x) .003 3 1/8 1-1/2 46815-C6 35.90
.015 (1/64) .078 (5x) .003 3 1/8 2-1/2 53615-C6 43.40
.020 .030 (1.5x) .004 3 1/8 1-1/2 52220-C6 32.00
.020 .060 (3x) .004 3 1/8 1-1/2 46820-C6 32.00
.020 .100 (5x) .004 3 1/8 2-1/2 53620-C6 38.50
.025 .038 (1.5x) .004 3 1/8 1-1/2 52225-C6 30.90
.025 .075 (3x) .004 3 1/8 1-1/2 46825-C6 30.90
.025 .125 (5x) .004 3 1/8 2-1/2 53625-C6 37.40
.031 (1/32) .046 (1.5x) .005 3 1/8 1-1/2 52231-C6 26.40
.031 (1/32) .093 (3x) .005 3 1/8 1-1/2 46831-C6 26.40
.031 (1/32) .156 (5x) .005 3 1/8 2-1/2 53631-C6 32.40
.035 .105 (3x) .005 3 1/8 1-1/2 46835-C6 26.40
.040 .120 (3x) .005 3 1/8 1-1/2 46840-C6 26.40
.045 .135 (3x) .005 3 1/8 1-1/2 46845-C6 26.40
.047 (3/64) .070 (1.5x) .005 3 1/8 1-1/2 52247-C6 26.40
.047 (3/64) .141 (3x) .005 3 1/8 1-1/2 46847-C6 26.40
.047 (3/64) .250 (5x) .005 3 1/8 2-1/2 53647-C6 32.40
.050 .150 (3x) .005 3 1/8 1-1/2 46850-C6 26.40
.055 .165 (3x) .005 3 1/8 1-1/2 46855-C6 26.40
.060 .180 (3x) .010 3 1/8 1-1/2 46860-C6 26.40
.062 (1/16) .093 (1.5x) .010 3 1/8 1-1/2 52262-C6 24.70
.062 (1/16) .186 (3x) .010 3 1/8 1-1/2 46862-C6 24.70
.062 (1/16) .312 (5x) .010 3 1/8 2-1/2 53662-C6 31.10
.078 (5/64) .117 (1.5x) .010 3 1/8 1-1/2 52278-C6 24.70
.078 (5/64) .234 (3x) .010 3 1/8 1-1/2 46878-C6 24.70
.078 (5/64) .406 (5x) .010 3 1/8 2-1/2 53678-C6 31.10
.093 (3/32) .139 (1.5x) .010 3 1/8 1-1/2 52293-C6 24.70
.093 (3/32) .279 (3x) .010 3 1/8 1-1/2 46893-C6 24.70
.093 (3/32) .500 (5x) .010 3 1/8 2-1/2 53693-C6 31.10
                 
D1 +.000"/-.002" L2 +.030"/-.000"   R +.001"/-.001"   D2 (h6) L1 TOOL # PRICE
.125 (1/8) .187 (1.5x) .015 4 1/8 1-1/2 52308-C6 24.70
.125 (1/8) .375 (3x) .015 4 1/8 1-1/2 46908-C6 24.70
.125 (1/8) .625 (5x) .015 4 1/8 2-1/2 53708-C6 31.10
.187 (3/16) .285 (1.5x) .015 4 3/16 2 52312-C6 26.70
.187 (3/16) .562 (3x) .015 4 3/16 2 46912-C6 26.70
.187 (3/16) 1.000 (5x) .015 4 3/16 3 53712-C6 33.80
.250 (1/4) .375 (1.5x) .015 4 1/4 2-1/2 52316-C6 33.40
.250 (1/4) .750 (3x) .015 4 1/4 2-1/2 46916-C6 33.40
.250 (1/4) 1.250 (5x) .015 4 1/4 4 53716-C6 41.70

Speeds & Feeds for Harvey Tool's Miniature Variable Helix End Mills (Optimized for Exotic Alloys and Aerospace Materials):

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Rating StarRating StarRating StarRating StarRating Star   great test

By - -. -, MA, United States, July 13, 2011

I just had another great test with the mini V-Helix tool. The customer was running a standard 5/64” 4 flute endmill from your competitor @ 10K RPM at 1.5IPM doing a full slot in 303SST. If he pushed it any higher on the feed the tool would snap. I delivered the Variable-Helix and (despite his resistance) started the tool @ 10K with a feed of 5IPM. The tool ran awesome. We were able to knock off over two minutes off the cycle and they have over 1,000 pieces to run.

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Rating StarRating StarRating StarRating StarRating Star   Success with mini variable helix end mills

By Harvey Tool Distributor -. -, MA, United States, May 18, 2011

We just had success with the new miniature variable helix tools. A rep from our office took a call from a customer cutting 17-4 Stainless steel and was using a standard uncoated carbide endmill. He sold them a 46862-C6 and the customer ran the tool at 4000RPM at 2 IPM and took up to a .180 DOC. The customer was psyched! He bought 6 tools for the job; I think we will have some fun selling this tool!

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