| SKU | 422-3351 |
|---|---|
| Mfg SKU # | 90002_GMDTTM14-20UN3FL |
| end mill category | Thread Mill |
| Brand | Gorilla Mill |
| Series Name | Missing Link |
| cutting diameter | 0.157 |
| Shank Diameter | 5/16 |
| Overall Length | 2-1/2 |
|---|---|
| Number of Flutes | 3 |
| Material | micrograin carbide |
| finish coating | GMX-35 |
| Flute Length Type | Single Pitch Form |
| Single or Double End | single |
| To be used on | Alloy Steel, Carbon Steel, Cast Iron, Exotic Material, Hardened Steel, High Temp Alloy, High Temp Nickel Base Alloy, Inconel, Stainless Steel, Titanium |
| minor diameter | 0.205 |
|---|---|
| center cutting | Yes |
| end shape | square end |
| thread length | 0.787 |
| thread size | 1/4-20 |
| thread standard | UNC |
| Shank Type | round shank |
| Coolant Through | No |
|---|
Made in USA
Product Spotlight
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Single Pitch | GMX-35 Coatings The 3-flute, 4-flute, and 5-flute Gorilla Mill Missing Link Thread Mills are made versatile through geometric enhancements. A patented variable helix/index design differentiates the Gorilla Mill Missing Link from the competition, making it the ideal choice for increased tool life and cycle time reduction in threading.
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Gorilla Mill 4 Flute in Action
1.0" Diameter 0.750" Axial Engagement 4140 PH 42.0" IPM Profiling 1910 RPM 0.0250" Radial engagement 
GMX-35 Newly formulated, special high-performance coating for high speed machining. GMX-35 performance surpasses all conventional coatings. This universal high-performance coating is especially designed for milling and drilling. Also suitable for dry machining.
Structure Nanohardness (GPa) Friction (fretting) Coefficient Thickness (um) Maximum Working Temp. Color Gradient 32 0.35 2-4 1100°C (2012°F) Silver Gray
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Quality Assureance Our primary responsibility is to ensure the accuracy and consistency of product being manufactured. We have an array of quality inspection equipment including three Eurotech PG1000’s with up to 145x magnification, a Leica M205 C computerized photo microscope with up to 500x magnification, a Zoller pomSkpGo for edge prep measurements at 100x magnification and two Zoller Genius3 machines which are CNC controlled programmable inspection machines with 50X magnification.
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Regrinds The vast majority of your tooling that Gorilla Mill or anyone else manufactures can be re-sharpened and recoated to “like new” condition on one of our state-of-the-art CNC tool and cutter grinders at a fraction of a new tool’s cost. At Gorilla Mill, our goal is to show cost savings while maintaining a high accuracy rate. Whether it’s Gorilla Mills,® or other variable end mills, standard end mills, Gorilla Drills or any other high performance drills, Gorilla Mill has over 40 years of knowledge and experience to help your bottom line.
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