2831208 OSG 5/16-24 Plug Cut Tap 3 Flute H3 4P TiCN Coated HY-PRO Spiral Point
2831208 OSG 5/16-24 Plug Cut Tap 3 Flute H3 4P TiCN Coated HY-PRO Spiral Point
Part Number: 2831208
SKU: 960080921882
Manufacturer: OSG
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PRODUCT STATS
| TAP SIZE | 5/16" |
| THREADS PER INCH | 24 |
| THREAD LIMIT | H3 |
| STI OR STANDARD | Standard |
| BOTTOM OR PLUG | Plug |
| FORM OR CUT | Cutting |
| BRAND | OSG |
| CHAMFER TYPE | 4P |
| DIAMETER | 0.3125" |
| END STYLE | Drill Point |
| FINISH TYPE | TiCN |
| FLUTE NUMBER | 3 |
| LENGTH OF CUT | 0.6570" |
| MATERIAL | High Speed Steel |
| MATERIALS CUT | Steel, Stainless Steel, Hardened Steel |
| MPN | 2831208 |
| OVERALL LENGTH | 2.719" |
| SHANK SIZE | 0.318" |
| SIZE | 5/16" |
| USABLE LENGTH | 0.657" |
OSG List 280 – HY-PRO® Spiral Point (POT) Taps
OSG List 280 HY-PRO® POT taps are high-performance, general-purpose spiral point taps designed for tapping through-hole applications across a broad range of materials. Built with premium HSSE (Vanadium High-Speed Steel), these taps drive chips ahead of the cutting action to prevent clogging and tool breakage, delivering excellent wear resistance and clean, accurate threads.
Key Features & Benefits
- Spiral Point (POT) Design: Pushes chips forward through the hole during tapping, minimizing chip packing and reducing torque requirements.
- Premium HSSE Substrate: High-vanadium high-speed steel construction offers superior toughness, heat resistance, and long tool life in tough machining environments.
- Versatile "Do-It-All" Performance: Excels in carbon steel, alloy steel, stainless steel, cast iron, non-ferrous metals, and general engineering materials.
- Through-Hole Optimization: Designed specifically for efficient high-speed threading in through-hole setups.
Available Finishes: Offered in Bright/Uncoated, Steam Oxide (S/O) for improved lubricity, and TiCN coated options for extended wear life.
Specifications
| Feature | Specification |
| Brand / Manufacturer | OSG |
| Series / List Number | List 280 (HY-PRO® POT) |
| Tap Style | Spiral Point (POT) |
| Substrate | Premium HSSE (Vanadium High-Speed Steel) |
| Hole Type | Through-Hole |
| Chamfer Type | Plug Chamfer (3.5P - 4.5P) |
| Cutting Direction | Right Hand |
| Applicable Materials | Carbon & Alloy Steels, Stainless Steel, Cast Iron, Non-Ferrous Metals |
Why Choose OSG HY-PRO® 280 Taps?
Known as the original "Do-It-All" spiral point tap, the OSG List 280 line brings reliable tool life, consistent thread pitch diameter control, and versatility to short runs, production work, and CNC machining setups
The “rules of the tools” apply. What this means is that all unused tools can be returned for a full refund (minus freight), no questions asked.
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