Valenite Cat50 Tapping Head, Valenite 8/a/4 Tms-311-51-50cat

US $440

  • Fremont, California, United States
  • Jun 12th
Valenite CAT50 Tension Compression Tapping Head with 3 tapping collets The engraving on the CAT50 holder is: Valenite  8/A/4 TMS-311-51-50CAT 3 tapping collet sizes are: 3/8 7/16 1/2 good used working condition One of the most common methods of tapping in use today on CNC machines is “rigid tapping” or “synchronous feed tapping.” A rigid tapping cycle synchronizes the machine spindle rotation and feed to match a specific thread pitch. Since the feed into the hole is synchronized, in theory a solid holder without any tension-compression can be used. However the problem with this is that in actual practice it is impossible for the machine to exactly match the pitch of the specific tap being used. There is always a slight discrepancy between what the machine is doing and the actual pitch of the tap. If a solid holder is used, this discrepancy is detrimental to tap life and thread quality because extra axial forces are exacted on the tap. If a tap holder with tension-compression float is used, tap life and thread quality can be dramatically improved, because these extra axial forces on the tap are eliminated COME AS SHOWN PLEASE Look at the pictures/scans THEN bid or buy accordingly IN your opinion. THANK YOU FOR LOOKING AND PLEASE CHECK OUT MY OTHER LISTINGS. TESTING, CHECKING, AND Local pick-up are highly encouraged. SHIPPING TO 48 LOWER STATE. INTERNATIONAL BUYER, PLEASE NOTE: BUYER IS RESPONSIBLE FOR ARRANGING ALL INTERNATIONAL FREIGHT. INCLUDING ALL PAPERWORK AND INSURANCE FOR ITEMS PURCHASED. IMPORT DUTIES, TAXES AND OTHER CHARGES ARE NOT INCLUDED IN THE ITEM PRICE OR SHIPPING COST.THESE CHARGES ARE THE BUYERS RESPONSIBILITY. PLEASE CHECK WITH YOUR COUNTRY'S CUSTOMS OFFICE TO DETERMINE WHAT THE ADDITIONAL COSTS WILL BE PRIOR TO BIDDING OR BUYING.

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