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Accusize Self Reversing Tapping M5 M12 2600 4012 Review

2

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Terrible

Revainrating 1.5 out of 5  
Rating 
1.5
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Description of Accusize Self Reversing Tapping M5 M12 2600 4012

**Please do not use the self-reversing tapping heads as drill chucks.** Depth Control: Top will advance 0 .140'' ± 0.004'' after machine spindle travel stops. Example: to achieve a top depth of 1.000 '', set spindle stop at 0.860'' will advance an additional 0.140'' to 1.000'' depth NC Machine. Set torque as high as possible within safe limits of the top.NC machine cutting feed equals (top pitch x spindle RPM). Reverse feed equals 2 X (top pitch X spindle RPM). 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. 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. Tapping Capacity in steel: 4-1/2'' (M5-M12), 1/8'' NPT, Jacobs Taper J-6, REC. Max. Speed: 1000RPM.

Reviews

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Type of review

Revainrating 1 out of 5

Poorly designed chuck

Tapping/turning works well but the chuck is not deep enough to grip the tap along its full square shank. As a result, it can easily break out when turning. The jaws are also not hardened so if the tap slips out they will jam. I'm not completely satisfied with it, can send it back.

Pros
  • Noiseless, positive clutch for smoother, more precise operation and faster reversing. The radial float is self-centering to accommodate bore center misalignment.
Cons
  • Big and chunky

Revainrating 2 out of 5

A few things to know before ordering

No instructions were included and I can't find any online. Hope to get some tomorrow. Instructions found on the bottom of the styrofoam. Everything seems to be working as it should, but keep in mind that you will either need to make a brake rod on the drill press to get the head to stop, or replace the .3125 inch rod on the head that the Brake rod touches drill string to stop machine. Also, Harbor Freight drill presses use a JT3 chuck, so you need a JT3-JT6 mandrel and AccuSize doesn't stock…

Pros
  • Guaranteed depth control; Within ±0.004 inch
Cons
  • Very expensive