NIKKEN SLIM CHUCKS CATALOGUE
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Slim Chucks NIKKEN | High performance engineered solutions

Nikken Kosakusho Europe, Ltd Nikken Kosakusho Europe are leading suppliers of elite precision engineering products. Located at the Euro Centre, South Yorkshire, Nikken operates in high stature manufacturing environments covering aerospace, medical, oil and gas, motor sport, power engineering as well as the mould and die sectors. Creative and innovative, Nikken Europe are at the forefront and number one choice for precision manufacturers, Original Equipment Manufacturers (OEMs) and Tier One suppliers. Nikken’s market leading solutions include: • Performance CNC Rotary Tables • High Accuracy...

Our Future – Research & Development Phase I Investing in our reputation as market leaders for quality and innovation, Nikken are building the Nikken European Advanced Manufacturing Research and Development Facility. This new, purpose built building will further allow for the strategic development of high precision toolholders, inspection and workholding ranges specifically created for use in the manufacture of high value parts as well as showcasing the latest products from Nikken and our global partners. Located at the prestigious Advanced Manufacturing Park (AMP) in Sheffield South...

Slim Chucks Features Effective: Compact body design allows excellent access and clearance around the work piece. Versatile: Suitable for most applications - milling, drilling, reaming and rigid tapping. Flexible: Available to suit numerous spindle types with capacities from 0.7mm to 25.4mm diameters. Accurate: More than double the accuracy of ER Collet Chucks and drastically improved repeatability. Extremely precise: 5µm @ 4 x D run-out guaranteed for standard collet (3µm with precision ‘A’ type collet). 8º versus 16º collet taper: Twice the gripping power from lower tightening torque than...

Titanium Nitrided Bearing Nut • Simple reliable design - more efficient than conventional ball bearing built-in nut. Good sliding effect due to surface hardness of HV2,200 and TiN coating. No corrosion occurs internally. Reduced micro vibration with collet flange contact. Increase cutting performance with improved tool life and durability. Greater cutting rigidity. Increased gripping power • The smaller the taper angle, the better the concentricity achieved. Steep 8° collet is seated deeper within the body of the holder, providing double the clamping force and twice the precision of...

Slim Chucks SK Collet Nikken Slim Chucks can be used for all applications, from drilling and milling through to reaming and tapping. Standard collets can be used for coolant through applications (with optional exclusive Nikken Jetter system or coolant back-up screws). Direct comparison Nikken Slim Chuck Collet Flat Shoulder Pushing (A) Slim and compact design allows better component clearance. (B Clamping force is applied perpendicular to centreline of tool holder for increased gripping. (B Deeper collet position provides greater accuracy. (B Rigid body is flush with nut to maintain...

Superior SK Coolant System Our Slim Chuck collet is unique and high-pressure coolant ready which means no compromise in performance and higher accuracy and gripping torque is maintained as standard. SK Coolant Through Options Slotted Disc: When the optional Jet Coolant Nut is paired with its corresponding Slotted Jetter Disk, coolant is directed around the cutting edge of the cutting tool. This makes this combination ideal for non-coolant through tools. The jet coolant pressure supplied through the disk creates a tornado effect ensuring efficient swarf dispersal. Applications for Nikken SK...

Slim Chuck Part Number Notes: When SK J' type nut is used, the total chuck length will be extended by 6mm

Slim Chuck Part Number Notes: When SK J' type nut is used, the total chuck length will be extended by 6mm Collet, adjust screw (G No.) and spanner are available as an option. The Code No. of the spanner is SK6 (C= 18): SKL-6, SK6 (C= 19.5): SKL-6W, SK10: SKL-10, SK16: 9HC16, SK20: 9HC22, SK25: 9HC25 P. 14, P15 for High Speed Slim Chuck (40,000min-1) All Slim Chucks can be used for Centre Through Coolant type. P. 13 for Centre Through Coolant Adjust Screw. P240 for Centre Through Pull Stud. For High Pressure (MAX.7MPa) Centre Through Coolant type add ‘C' - SK25C. For Flange Through...

Slim Chuck Collet 0 Code Collet removal (SKR-6) is supplied as standard only for SK6. SKR-10, SKR-16 and SKR-25 are available as an option. Collet removal is not necessary for the new types of collet (SK10 to SK25 collet). ‘A' type SK collet (for End Mill Shank) are indicated in blue, as shown: | 4~| The acceptable shank tolerance is h8. Code no. is e.g. SK10-10A ‘P' class SK collet (for drill) are available for all series, e.g. SK10-10P A’ type SK collet for endmill The acceptable shank tolerance is h8. P’ class SK collet for drill It guarantees the run-out accuracy within 3 micron at...

TiN Bearing Nut for Slim Chuck SK Standard Nut (for C-Spanner) Notes: To keep run-out accuracy high, you are recommended to change nuts periodically when slim chuck is used very frequently. Further explanation for J Type Nut and J Type Cap shown on page 16. SKT/MDSK Nut (for C-Spanner) Style Nut of SK-P for GH handle and Nut of SKT/MDSK are same for SK10 and SK 20. Nut of SK-P for GH handle and Nut of SKT/MDSK are different for SK6, SK16 and SK25. SK-P Nut for High Speed (for GH Handle) Style SKT/MDSK Nut (for GH Handle) Style

Straight Shank Slim Chuck Suitable for Multi-Lock Milling Chuck Part Number References: Collet, adjust screw (G No.) and spanner are available as an option. The Code No. of the spanner is SK6 (C= 18): SKL-6, SK6 (C= 19.5): SKL-6W, SK10: SKL-10, SK16: 9HC16, SK20: 9HC22, SK25: 9HC25 Please refer P. 10 for SK Collet. All Slim Chucks are Centre Through Coolant type. Please refer to next page for adjust screw (G No.). Straight Shank Ultra Long Slim Chuck (s-sk rv Photo Part Number Shank Collet Length D 1 Over Hang G No. Weight Shows solid carbide type. For solid carbide please add "X" to the...