Self-Reversing Tapping Heads

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Self-Reversing Tapping Head Applications: Depth controlAfter the machine spindle travel stops, the tap advances 0.140" ±0.004". Example: to achieve a tap depth of 1.000", stop the spindle at 0.860". The tapwill advance an additional 0.140" to 1.000" deep. NC MachineSet the torque as high as possible within the safe limits of the tap. The NC machine cutting feed equals (Top Pitch x Spindle RPM). Reverse feed equals 2 X (Top Pitch X Spindle RPM). In a fitted plastic case. Right or left-hand tapping without modification; re-entry cushion Please do not use the self-reversing tapping heads as drill chucks. Features: Guaranteed depth control; within ±0.004" Chatter-free clutch has positive engagement which allows for a smoother, more accurate operation and more rapid reversal Radial Float is self-centering to compensate for hole center misalignment The unique Double Spring mechanism produces automatic feed and cushion drive. There are 2 springs for the feed and 2 springs for the reversal Pre-set torque control permits easy operation of tap brake torque control Head comes complete with 2 collets 2600-4002 (JSN-07) package along with arbor MT1-JT6, MT3-JT6 2600-4012 (JSN-12) package along with arbor MT3-JT6, MT4-JT6 2600-4022 (JSN-20) package along with arbor MT3-20mm Thread, MT4-20 mm Thread Item Tapping Capacity in Steel Code Jacobs Taper # REC. Max Speed (RPM) Reverse Ratio Body Diameter Overall Length Clockwise Compression Expansion Counter Neutral Clockwise Expansion Uses Collets 2600-4002 #0-1/4"(M2-M7) JSN-7 6JT 1500RPM 01:01.6 2.215 5.118 0.197 0.14 0.0023 0.394 I-116,117 2600-4012 #4-1/2"(M5-M12), 1/8" NPT JSN-12 6JT 1000RPM 01:01.8 2.95 6.14 0.197 0.16 0.0027 0.551 I-421,422 2600-4022 5/16-3/4"(M8-M20), 1/8", 1/4 NPT JSN20 M20 600RPM 01:01.7 3.58 8.03 0.236 0.24 0.0036 0.551 I-441,445 User Manual Download Show more