INDUSTRIAL SPOTFACE PROCESS TOOL HOLDER — 21SFC11 REV-A
$33.31
Sale price
$33.31
Regular price
$48.99
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INDUSTRIAL SPOTFACE PROCESS TOOL HOLDER — 21SFC11 REV-A
$33.31
Sale price
$33.31
Regular price
$48.99
The TOOL HOLDER 21SFC11 SPOTFACE REV-A is a heavy-duty, precision-machined industrial CNC and manual milling component engineered to support rigid spotfacing operations. This robust mechanical tool adapter is designed to hold cutting inserts completely secure while machining flat, smooth, and accurately squared mounting surfaces around pre-drilled fastener holes. Built specifically to handle high torsional loads, reduce micro-vibrations, and withstand consistent production cycles, this Revision A tool holder prevents runout during high-velocity cutting moves. It is an ideal asset for manufacturing facilities, metal fabrication shops, and aerospace component production requiring dependable surface preparation for flush-seating fasteners.
⭐ Key Features & Benefits
- 🚀 Precision Spotface Seating: Engineered to lock down cutting geometries flat, delivering highly smooth, accurately located surface finishes for mating components.
- 🛡️ Deflection-Resistant Rigid Steel: Forged from high-grade tool steel to eliminate tool deflection and reduce harmonic cutting chatter at higher spindle loads.
- ⚡ Revision A Design Optimization: Enhanced configuration parameters ensure more secure clamping thresholds and efficient chip clearance compared to baseline legacy iterations.
- 🔧 Standard Multi-System Compatibility: Adapts seamlessly across matching manufacturing machinery setups, industrial boring assemblies, and lathe turrets.
- 💎 Extended Component Longevity: Hardened finish protects critical pocket boundaries from friction wear, thermal fracturing, and corrosion under continuous fluid coolant flows.
🔧 Uses / Applications
- 🏗️ Heavy Machinery Casting Prep: Cleanly faces down rough surfaces on cast iron or forged component housings around structural bolt holes.
- 🔩 Flush Fastener Seating: Machines precision-shallow counterbore surfaces so washers, heavy nuts, and socket head cap screws sit perfectly flush.
- ✈️ Aerospace & Structural Machining: Delivers highly calibrated surface squaring for critical high-stress structural frame plates.
- 🚘 Automotive Engine Block Production: Utilized to face engine block valve ports, oil pan rails, or sensor holes during high-volume production cycles.
📊 Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Machining Tool Holder / Spotfacer Assembly |
| Position | Spindle / Turret Line Mounted |
| Part Number | 21SFC11 REV-A (Revision A) |
| Material | Premium High-Tensile Hardened Alloy Tool Steel |
| Fitment | Standard Spotfacing Heads & Corresponding Boring Systems |
| Condition | Brand New |
| Installation | Direct-Fit Modular Shank Clamping |
🔄 Cross‑Reference / Interchange Table
| Manufacturer | Equivalent Part Number |
|---|---|
| OEM | 21SFC11 REV-A |
| Aftermarket A | Freeman Inventory Code: 21SFC11-A |
| Aftermarket B | eBay Reference SKU: 286164997831 |
| Additional Notes | Always verify your pocket size and cutting insert seat geometries before securing the machine locking screws. |