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Tech Data - Speeds and Feeds, formulas and starting points for endmills, boring bars, drills, rougher finishers and high performance endmills.
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HPF Series-Fine Pitch Roughers

High Performance Roughing End Mills

Flutes Diameter Length
of cut
Shank
Diameter
Overall
Length
Corner
Chamfer
Helix Uncoated AlTiN
coated
4 1/4 1/2 1/4 2 0.020 20° 255-100240 255-100240B
4 1/4 3/4 1/4 2-1/2 0.020 20° 255-100250 255-100250B
4 5/16 1/2 5/16 2 0.020 20° 255-100302 255-100302B
4 5/16 13/16 5/16 2-1/2 0.020 20° 255-100312 255-100312B
4 3/8 5/8 3/8 2 0.020 20° 255-100365 255-100365B
4 3/8 1 3/8 2-1/2 0.020 20° 255-100375 255-100375B
4 7/16 1 7/16 2-3/4 0.020 20° 255-100437 255-100437B
4 1/2 5/8 1/2 2-1/2 0.025 20° 255-100490 255-100490B
4 1/2 1-1/4 1/2 3 0.025 20° 255-100500 255-100500B
4 1/2 2 1/2 4 0.025 20° 255-200500 255-200500B
4 5/8 3/4 5/8 3 0.025 20° 255-100615 255-100615B
4 5/8 1-5/8 5/8 4 0.025 20° 255-100625 255-100625B
4 3/4 1 3/4 3-1/2 0.025 20° 255-100740 255-100740B
4 3/4 1-3/4 3/4 4 0.025 20° 255-100750 255-100750B
4 3/4 2-1/4 3/4 5 0.025 20° 255-200750 255-200750B
4 3/4 3 3/4 6 0.025 20° 255-300750 255-300750B
5 1 2 1 5 0.025 20° 255-101000 255-101000B
5 1 2-5/8 1 5 0.025 20° 255-201000 255-201000B
5 1 3-1/4 1 6 0.025 20° 255-301000 255-301000B
5 1 4-1/8 1 7 0.025 20° 255-301100 255-301100B
Monster Tool - Burr Monster - SA, SB, SC, SD, SE, SF, SG, SH, SJ, SK, SL, SM, SN Shapes and Mold, Tool and Die Making Carbide Burrs and Burr Sets. Single Cut, Double Cut and Aluma. All solid carbide, C-2 Grade Monster Tool - Drill Monster - Solid Carbide Twist Drills - Jobber Length, Spade Drills, Straight Flute Drill, Stub Drills and Center Drills. TiAlN / TiN Coating available Monster Tool - Mega Monster - High Performance End Mills and Rougher tools. Made from solid premium Micrograin C-2 Solid Carbide Monster Tool - Metal Monster - Solid Carbide Unground Blanks (1000 and 2000 series), STB Strips, Rod, Split End Blanks Monster Tool - Micro Monster - Miniature Decimal Endmills. 2 flute, 4 Flute, Square and Ball nose Regular and Stub lengths Monster Tool - Mill Monster - 2 Flute, 3 Flute Square and Ball nose, Stub, regular, long, extended lengths. Single end, double end, Corner Radius - 30 degrees helix, Right hand spiral, Right Hand Cutting Monster Tool - Ream Monster - Carbide Reamers in fractional, decimal, wire, letter and metric sizes Monster Tool - Tool Monster - HSS and Carbide Countersinks. Single Flute, 3 Flute, 6 Flute. In 60, 82, 90, 100 and 120 degree angles. Countersink sets available in a wooden case
4FL APG-SQUARE
4FL APG-CORNER RADIUS-1/8 to 5/16"
4FL APG-CORNER RADIUS-3/8 to 1/2"
4FL APG-CORNER RADIUS-5/8" or larger
2FL HPNF ALUMINUM CUTTERS-BALLNOSE
2FL HPNF ALUMINUM CUTTERS-CORNER RADIUS
3FL HPNF ALUMINUM CUTTERS-BALLNOSE
3FL HPNF ALUMINUM CUTTERS-CORNER RADIUS
3FL SPNF ALUMINUM CUTTERS-SQUARE
3FL CHIPBREAKER-BALLNOSE
3FL CHIPBREAKER-CORNER RADIUS
4FL CHIPBREAKER-BALLNOSE
4FL CHIPBREAKER-CORNER RADIUS
HPF Series-FINE PITCH ROUGHERS
HPM Series-MEDIUM PITCH ROUGHERS
HPC Series-COARSE PITCH ROUGHERS
4FL HPVMG HPUI
5FL HPUI-40° HELIX
6FL-40° HELIX