ROYAL ULTRA-PRECISION ER COLLETS " TIR

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1 ROYAL C EXPANDING COLLETS q Unlike chucks and most collets that grip the OD of a workpiece, C expanding collets are designed to grip on the ID of a part. q Accu-length design ensures precise workpiece positioning no z-axis movement. q Collet head is easily machined to required size. Can be re-machined as necessary. q Concentricities of " can typically be achieved using Royal C expanding collets. q Made from 44 steel that can be hardened after machining for wear resistance. q Additional head lengths and diameters available. Contact us for information. Head is easily machined to required size by customer. See chart for range. Precision ground body for excellent workpiece concentricity. Royal C Internal Expanding Collets NOMINAL MACHINABLE HEAD HEAD RANGE PART DIAMETER LENGTH MIN-MAX NUMBER PRICE 4" " 4" 6" 2000 " " 6" 6" 200 2" " 4" 6" " 2" 4" 6" 200 2" 2" 4" 6" " " 4" 6" 200 2" 2" 4" 6" " 2" 4" 6" " " 4" 2 6" 202 " " 4" 2 6" 20 " 2" 4" 4 6" 202 $ Expanding rod is hardened and ground for strength and durability. Proudly Made in U.S.A. Internal spring provides positive release. Rear threaded section is separate from collet body. When this section is pulled back by the drawtube, it pulls the tapered expanding rod back, causing the head to expand. Replacement Expanding Rods HEAD HEAD DIA. LENGTH PART NUMBER PRICE 4" " 20 " " 206 2" " " 200 2" " 2" 20 2" " 2" 202 $ ROYAL C STEP COLLETS Proudly Made in U.S.A. q Royal step collets allow large diameter parts to be held in a C collet. q Head can be easily bored out by customer to required size. q Three dowel pins are supplied to ensure accurate machining. q 4" thick head allows for " bore depth. q Collets are made from 44 steel and can be hardened for wear resistance. Royal C Step Collets PILOT PART HEAD DIA.* HOLE PIN DIA. NUMBER PRICE 2" 4" 8" $6 " 6" 4" " 6" 4" " 6" 4" *We recommend ordering a collet with a head diameter at least 2" larger than workpiece diameter. Note these step collets close on the 0 angle, not the head OD. When using, be sure part is sufficiently clamped. 46

2 ROYAL ULTRA-PRECISION ER COLLETS " TIR Inch and Metric Sizes Royal ER Collets are available in both inch and metric sizes. This optimizes the surface contact between the collet and cutting tool and results in higher accuracies, stronger grip force, better part finishes, and longer cutting tool life. Sealed Models Available For precise coolant delivery to the tip of the cutting tool. Large Inventory All sizes are in-stock, ready for immediate shipment. Extremely Accurate Runout is guaranteed to be 6 microns (0.0002") TIR, or better. Each collet is inspected to this standard prior to shipping. Wide Gripping Range Royal standard ER Collets contain 6 slots, providing a larger gripping range than other brands. Heavy Duty Construction Royal ER Collets are made from high-grade steels imported from Germany and are hardened for long life. Great Value Very competitive prices make these high-quality ER Collets the best value in the industry. ROYAL SEALED ULTRA-PRECISION ER COLLETS Short slots block flow, ensuring that all coolant is delivered thru the cutting tool. A Perfect Match to Your Cutting Tool Diameter All Royal ER Collets are available from stock in both inch and metric sizes. This is very important because it enables you to select a collet that has been ground to your precise cutting tool size. Using a collet that is perfectly matched to the cutting tool diameter ensures that full surface contact is achieved, resulting in higher gripping force, better accuracy, less vibration, better surface finishes, and longer tool life. q Ultra-Precision Accuracy " TIR guaranteed. q High-pressure approved to 400 psi. q Unique design is mechanically sealed by virtue of the rear slots terminating prior to the annular groove, completely blocking the path of coolant flow to the front of the collet. q When using thru-coolant cutting tools, these collets ensure 00% coolant delivery to the tip of the cutting tool. q Superior to collets sealed with silicone/rubber plugs because plugs are limited to lower operating pressures and are subject to wear. q Unlike standard ER collets, sealed models do not have a wide collapsibility range, requiring the collet bore to be matched to the cutting tool shank diameter. Other Brands Single Point Contact when Using Metric Collets to Hold Inch-Sized Tooling, or Vise Versa Royal Brand Full Surface Contact Because Royal ER Collets are Ground to Exact Inch and Metric Sizes 4

3 ULTRA-PRECISION ER COLLETS " TIR Inch Sizes ER- $29 / $2 ER-6 $29 / $2 ER-20 $2 / $ ER-2 $4 / $9 ER-2 $6 / $4 ER-40 $9 / $49 Royal Ultra-Precision ER Collets (Inch) STANDARD ER-* ER-6 ER-20 ER-2 ER-2 ER-40 DRILL ENDMILL COLLET GRIP Standard Sealed Standard Sealed Standard Sealed Standard Sealed Standard Sealed Standard Sealed DIAMETER RANGE* $29 $2 $29 $2 $2 $ $4 $9 $6 $4 $9 $49 6" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " * Gripping range for ER- is 64". Sealed collets have no range must be sized exactly. 48

4 ULTRA-PRECISION ER COLLETS " TIR Metric Sizes ER- $29 / $2 ER-6 $29 / $2 ER-20 $2 / $ ER-2 $4 / $9 ER-2 $6 / $4 ER-40 $9 / $49 Royal Ultra-Precision ER Collets (Metric) STANDARD ER-* ER-6 ER-20 ER-2 ER-2 ER-40 DRILL ENDMILL COLLET GRIP Standard Sealed Standard Sealed Standard Sealed Standard Sealed Standard Sealed Standard Sealed DIAMETER RANGE* $29 $2 $29 $2 $2 $ $4 $9 $6 $4 $9 $49 mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm * Gripping range for ER- is 0. mm. Sealed collets have no range must be sized exactly. 49

5 ROYAL ULTRA-PRECISION ER COLLET SETS q " TIR guaranteed. q Convenient sets include all popular sizes. q Available in inch, metric, standard, and sealed models. Royal ER Collet Sets (Inch Standard) ER- 6" 4" x 2nds 00 ER-6 6" 8" x 2nds 02 ER-20 2" 2" x 2nds 2 04 ER-2 2" 8" x 2nds 6 06 ER-2 2" 4" x 2nds 8 08 ER-40 8" " x 6ths 0 $ Royal ER Collet Sets (Metric Standard) ER- mm x mm 00 ER-6 0 mm x mm 0 02 ER-20 2 mm x mm 2 04 ER mm x mm 06 ER-2 20 mm x mm 8 08 ER mm x mm 2 0 $ Royal ER Collet Sets (Inch Sealed*) ER-6 8" 8" x 2nds ER-20 2" 2" x 2nds ER-2 2" 8" x 2nds ER-2 2" 4" x 2nds ER-40 6" " x 6ths 4 60 $ * Unlike standard ER collets, sealed models do not have a wide collapsibility range and therefore must be sized to the cutting tool diameter. Royal ER Collet Sets (Metric Sealed*) ER-6 0 mm x mm ER-20 mm x mm 604 ER-2 6 mm x mm ER mm x mm 608 ER mm x mm 2 60 $ ,2 * Unlike standard ER collets, sealed models do not have a wide collapsibility range and therefore must be sized to the cutting tool diameter. 0