SB FERROUS MATERIALS 4 FLUTE 5 FLUTE TOLERANCES Cut Dia +.000/-.002 Shank Dia -.0001/-.0005 LOC +.025/+.050 OAL +/-.050 MATERIALS Gray Cast Iron, Ductile Iron, Soft Steels, (A36,1018, 8620,1045), Alloy Steels, (4340, 4140), 4140 Pre-Hard (38 to 42 Rc), Tool Steels (A2,D2,S7), Die Steels, (H13,P20), Stainless Steel, (303, 304, 316), Difficult Stainless Steel, (400 & PH Series), Stainless Steel (13-8), High Temperature Alloys, Titanium (6AL4V), Inconel 718, Inconel 625 WTF COATED 4 FLUTE 5 FLUTE PROFILING HIGH-VELOCITY POCKETING OAL D2 LOR LOC D1 SPEEDS & FEEDS CHART PAGE 260 SKU EDP FLUTES D1 Cutting Dia. D2 Shank Dia. LOC OAL LOR NECK DIA THEO RADIUS TRUE RADIUS GMHF18R4050 60017 4 1/8 1/4 1/8 2-1/2 1/2 .110 .01821 0.015 GMHF18R4100 60018 4 1/8 1/4 1/8 2-1/2 1 .110 .01821 0.015 GMHF18R4125 60019 4 1/8 1/4 1/8 2-1/2 1-1/4 .110 .01821 0.015 GMHF316R4075 60020 4 3/16 1/4 3/16 2-1/2 3/4 .165 .03033 0.030 GMHF316R41125 60021 4 3/16 1/4 3/16 2-1/2 1-1/8 .165 .03033 0.030 GMHF316R4150 60022 4 3/16 1/4 3/16 3 1-1/2 .165 .03033 0.030 GMHF14R4050 60023 4 1/4 1/4 1/4 3 1/2 .220 .04024 0.030 GMHF14R4100 60024 4 1/4 1/4 1/4 3 1 .220 .04024 0.030 GMHF14R4150 60025 4 1/4 1/4 1/4 3 1-1/2 .220 .04024 0.030 GMHF14R4200 60026 4 1/4 1/4 1/4 4 2 .220 .04024 0.030 GMHF38R4075 60027 4 3/8 3/8 3/8 4 3/4 .330 .06721 0.060 GMHF38R4150 60028 4 3/8 3/8 3/8 4 1-1/2 .330 .06721 0.060 GMHF38R4225 60029 4 3/8 3/8 3/8 4 2-1/4 .330 .06721 0.060 GMHF38R4300 60030 4 3/8 3/8 3/8 6 3 .330 .06721 0.060 GMHF12R4100 60031 4 1/2 1/2 1/2 5 1 .440 .06654 0.060 GMHF12R4200 60032 4 1/2 1/2 1/2 5 2 .440 .06654 0.060 GMHF12R4300 60033 4 1/2 1/2 1/2 5 3 .440 .06654 0.060 GMHF12R4400 60034 4 1/2 1/2 1/2 7 4 .440 .06654 0.060 GMHF38R5075 60035 5 3/8 3/8 3/8 4 3/4 .330 – 0.060 GMHF38R5150 60036 5 3/8 3/8 3/8 4 1-1/2 .330 – 0.060 GMHF38R5225 60037 5 3/8 3/8 3/8 4 2-1/4 .330 – 0.060 GMHF38R5300 60038 5 3/8 3/8 3/8 6 3 .330 – 0.060 GMHF12R5100 60039 5 1/2 1/2 1/2 5 1 .440 – 0.060 GMHF12R5200 60040 5 1/2 1/2 1/2 5 2 .440 – 0.060 GMHF12R5300 60041 5 1/2 1/2 1/2 5 3 .440 – 0.060 GMHF12R5400 60042 5 1/2 1/2 1/2 7 4 .440 – 0.060 112 SUPER BITCHIN’ PERFORMANCE – FERROUS SOLID HIGH FEED END MILLS (INCH) The Gorilla Mill Howlers are engineered to greatly reduces cutting forces, while its reduced (pencil neck) geometry provides maximum strength in long reach and deep pocketing applications. The Howlers variable pitch geometry results in reduced stresses like taking a hit from a big Bob Marley spliff. Chatter and harmonics will disappear like your ex with your bank account. WTF coating offers stupid high hardness and a sick copper color for improved tool life and increased edge strength in difficult-to-machine materials like twinkies, inconel, marshmallows and super alloys. Make ‘em Hooooowl boys. Available in special diameters and lengths. HIGH FEED END MILLS 3D SURFACING 866-888-9600 Pricing available on gorillamill.com
2026 Gorilla MIll Catalog
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