Check the listing for details. TEGARA CAT40 Coolant Pull Stud Retention Knob Fits Fadal Okuma CAT40 TAIWAN ![. Condition: New. Listed at 10.95 USD. TEGARA CAT40 Coolant Pull Stud Retention Knob Fits Fadal Okuma CAT40 TAIWAN Welcome to Comparison Testing! We don't sell pull stud, we sell pull stud life! Made in Taiwan! Free Shipping! Founded in 1978, Shars Tool Company has been serving the industrial community and machine shops in the USA for over 30 years. We carry high quality Pull Stud. Product Code 202-5927 Product Description SKU 202-5927 MFG SKU # 202-5927 BRAND Tegara HEAD DIAMETER D1 0.74 HEAD ANGLE 45 DRAWBAR THREAD SIZE 5/8x11UNC MACHINE TAPER SIZE CAT40 MACHINE BUILDER Fadal, Hurco, Mazak, Okuma NECK DIAMETER D2 0.49 HOLE D3 0.281 OVERALL LENGTH L 1.625 SHOULDER TO HEAD L1 0.44 SHOULDER TO END L2 0.64 COOLANT THROUGH Yes Product Application Product Features STRENGTH, PRECISION, EFFICIENCY The retention knob is a key ingredient not only to the overall performance of the tool holder and cutting tool life, but also to maintain a safety standard on any machine shop floor. We choose SNCM420 (SAE 4320) alloy steel, with high nickel alloy content, for its high tensile strength to withstand strong centrifugal force, high load force, high feed rate, and difficult-to-machine material in the era of current CNC machining environment. The ultimate tensile strength of SNCM420 alloy steel is 980 MPa and our material is made in Japan by a very reputable steel manufacturer. To maintain the tight tolerance of key dimension on a retention knob, we integrate the Marposs Unimar S measurement head which has a repeatability within 0.1 micron into our grinding process. To further maximize production output, we utilize robotic arms to load and unload a retention knob bar stock into a CNC grinder. Additionally, our retention knobs are roll threaded which provides higher strength and excellent thread quality, compared to others which are cut threaded. Automation in Manufacturing We constantly evaluate our manufacturing process and trying to optimize the cycle time while maintain the top notch quality of our retention knob. Automation in manufacturing process has been a game changer in our industry and we are able to make things faster and more accurate. By integrating the Marposs Unimarr measurement head into the retention knob's grinding process we are able to monitor key dimension on EACH retention knob, and the productivity of a CNC grinder is maximized with the robotic arm to automatically load and unload retention knob stock into the CNC grinder. We are passionately chasing speed and accuracy and that is how we can maintain our competitive edge. Concentricity Concentricity is inspected with a Mahr Millimess 1003 Dial Comparator which has a 1 micron (um) graduation and 0.5 micron (um) repeatability to ensure each batch production of the retention knob is true to the spindle center line. Optical Measurement A critical dimension on every retention knob is the height of the loading contact point and the height of un-loading contact point. When this two dimensions are not within tolerance, there could lead to improper engagement with main spindle and even cause severe damage to the retention knob's rigidity. This two dimensions are inspected on an optical tool presetter that is made in Italy by a world-renowned manufacture and measurement are monitored in micron (um). Made from alloy steel 5155 with heat treat to RC 56-58 Each retention knob is individually magnetic particle tested to ensure free of crack High quality black oxide finish to ensure long enduring tool life Fully ground on all critical surface including a pilot under the flange of retention knob for full contact between tool holder's taper end and retention knob Precision finished on the bottom of the flange to improve fitting with the bottom nose of the taper on the tool holder This pull stud is compatible with the following: J&M JM11122 TJ Davies PSC-475 Lyndex C40-STD* Collis 67751 Command RC4E-0001 We also have retention knob for Fadal, Mazak, Hurco and other mill, please visit our Ebay store: All Available to Ship NOW! at Fixed Prices SHIPPING: UPS Ground Buyer pays ACTUAL UPS shipping & insurance, and a $3.00 handling fee for this item to be shipped to all states within the continental United States. Hawaii, Alaska & and other United States Territories will ship via UPS BLUE. Canada will pay actual shipping costs plus duty fees via UPS. We can combine other auctions or store items to save on shipping. You may ask for freight cost before buying tools. Shipment will be made the same day as your payment is received and an UPS tracking number will be email to you. If your order is being shipped to an address outside of the United States, local consumer tax and/or customs duty , brokerage charges may apply and the package's recipient may need to pay these to clear customs. PAYMENT: We accept : VISA, MasterCard and E-Check on PayPal.com Illinois residents add 8% sales tax. RETURNS: If the item stated as brand new is found defective on arrival or incorrect item was shipped, buyer understands that the product will be repaired or replaced at seller's discretion, and be given a reasonable amount of time. Buyer is responsible for return shipping costs and insurance. Warranties are offered by the manufacturer and will be honored by the manufacturer. All shipping and handling fees will not be returned in any case.