Skip Content

Air Tapping Arm, 400 rpm Free Speed, 27 ft.-lb. Torque, 43" Reach close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Air Tapping Arm, 400 rpm Free Speed, 27 ft.-lb. Torque, 43" Reach

Price $2,883.00 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 4WXT8
  • Mfr. Model # 80420
  • UNSPSC # 27131614
  • Catalog Page # 3536
  • Shipping Weight 33.37 lbs.
Country of Origin TaiwanCountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemAir Tapping Arm
  • Free Speed400 rpm
  • Torque27 ft.-lb.
  • Max. Tap Capacity Steel1/2"
  • Max. Tap Capacity Aluminum9/16"
  • Reach43"
  • Number of Speeds1
  • CFM @ Full Load24.0
  • Required Pressure90 psi
  • Max. Pressure120 psi
  • Weight Capacity40 lb.
  • Tooling Size1
  • ReversibleYes
  • IncludesStationary Bench Bracket, Quick Change Tooling Adapter, Air Preparation Unit with Filter, Regulator and Lubricator, Pressure Gauge, Vertical Motor Bracket and High Torque Reversible Air Motor
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions



Tapping Machines and Hand Tappers
Palmgren® Parallel Arm Tapping Machines
• 24 cfm Required psi: 90 Max. psi: 120 Reversible
Built to absorb all the tapping torque to help eliminate broken taps. Machines have bearings at all swivel points and tap both blind and through holes. Units include stationary bench bracket, quick-change tooling adapter, air preparation unit, and vertical motor bracket.

Alternate Products

Alternate Search Terms

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.