Techniks Inc. SYIC-22921 CAT40XSLN3 Tool Holder

Description:

The Techniks Inc. SYIC-22921 CAT40XSLN3 Tool Holder is used in CNC machining systems to securely clamp 3/4-inch shank end mills for precision milling, slotting, profiling, and heavy-duty cutting operations. Commonly installed in CAT40 vertical machining centers, horizontal machining centers, CNC milling machines, and OEM metalworking equipment requiring rigid side-lock tool holding with excellent concentricity. Maintenance teams, CNC machinists, and manufacturing engineers use this tool holder for tooling replacement, machine setup, retrofit projects, and improving machining accuracy while extending cutting tool life.

Applications:

The Techniks Inc. SYIC-22921 CAT40XSLN3 Tool Holder is designed for high-precision CNC machining applications requiring secure end mill retention, reduced vibration, and dependable cutting performance. It is widely used in aerospace manufacturing, automotive production, mold and die machining, heavy equipment fabrication, precision metalworking, and high-volume CNC production where rigid tool holding and minimal runout are essential.

Technical Specifications:

• Manufacturer: Techniks Inc. (SYIC)
• Manufacturer Part Number (MPN): SYIC-22921 / 22921
• Product Type: End Mill Tool Holder
• Holder Type: Side Lock End Mill Holder (SLN)
• Taper Style: CAT40 (ANSI V-Flange)
• Bore Diameter: 3/4 in (19.05 mm)
• Projection Length: 3.00 in (76.2 mm)
• Body Diameter: 1.75 in (44.5 mm)
• Nose Diameter: 1.75 in (44.5 mm)
• Overall Diameter: 2.50 in (63.5 mm)
• Weight: Approximately 3.6 lb (1.63 kg)
• Bore Tolerance: H5 Precision Ground
• Taper Accuracy: AT3 Precision Ground
• Maximum Runout (T.I.R.): 0.0002 in Maximum
• Balance Rating: G6.3 at 15,000 RPM
• Coolant Compatibility: Through-Spindle Coolant Compatible (model dependent)
• Contact Type: Single Contact
• Material: Hardened Alloy Steel (8620 Steel)
• Primary Function: Precision End Mill Clamping for CNC Milling Operations
• Service Application: Replacement, Retrofit, Precision Machining, and Preventive Maintenance

Common Replacements:

• Techniks SYIC-22919 CAT40 × SLN 5/8 in End Mill Holder
• Techniks SYIC-22925 CAT40 × SLN 1 in End Mill Holder
• Techniks SYIC-22921-1.75 CAT40 × SLN 3/4 in Stubby End Mill Holder