The first 5 arms below are designed to mount an inline pneumatic tool by your tool’s inlet port via the included 1/4 NPT hardened nipple. For small and medium inline air tools this makes a simple but effective mount that should last for years of industrial use. A torque arm like model PA506 used with a inline air tool has been one of the most basic pieces of workstation equipment in use for many decades in industrial assembly.
Some ETA arm users purchase the arms on this page along with our UV-TH (Universal Vertical Tool Holder) or TUV-TH (Thin Universal Vertical Tool Holder) and clamp the tool body instead of mounting by the tool’s air inlet. When your tool is long (over 12″), puts out high torque, or your process involves running the tool in reverse part of the time, using these arms with our UV-TH is a wise practice. Using a tool holder also works well when a blow fed screwfeeder is planned. The models on the bottom 2/3 of the list below include universal vertical tool holders for any inline or pistol air tool from 1-1/8″ (28.6 mm) to 2.0″ (50.8 mm) diameter. We also can modify UV-TH and TUV-TH to accommodate down to about 0.70″ (17.8 mm) diameter tools as some blind rivet guns require.
Also, if you are using one of the arms on this page and your process changes in the future, any of them can be retrofitted with other ETA Tool Holders simply by removing the air fittings on the front and bolting the ETA Tool Holder in its place. Typically, when adding any tool holder you would need to replace the air hose with a longer piece of our braided hose (the brass swivel fittings included on these arms are reusable)
PA-Series arms are meant to be used with air tools. For any other type of tool; electric, battery, hydraulic, and fixtures or gauges, you should review the EL-Series arms. Our Air Cylinder gives you the smoothest float of any method and decades of life (more than 50,000,000 rundowns).
All of these arms are also available as Overhead Mount models. Just add -OM to the end on any model number. For example PA506-OM.
| MODEL | DESCRIPTION | SPEC PDF | MAX. VERT. TORQUE in-lbs (Nm) | MAX. HORZ. TORQUE in-lbs (Nm) | MAX. TOOL WEIGHT lbs(Kg) | MAX. REACH in. (mm) | STANDARD BASE INCLUDED | TOOL HOLDER INCLUDED |
|---|---|---|---|---|---|---|---|---|
| PA506 | Standard Duty Arm for lighter torques and small inline air tools. 5/6" ID tool supply hose. | Download Specs | 550 (62) | N/A | 6 (2.7) | 36 (914) | 18 inch (B125-18) | 1/4 NPT Threads |
| PA306 | A shorter version of our PA506 for smaller work areas. 10.3" (261 mm) Vertical Travel. 5/6" ID tool supply hose. | Download Specs | 550 (62) | N/A | 6 (2.7) | 24" (610) | 12 inch (B125-12) | 1/4 NPT Threads |
| PA806 | Medium Duty Arm for inline air tools has a more rigid Parallel Rack than the PA506. 3/8" ID tool supply hose. | Download Specs | 800 (90) | N/A | 6 (2.7) | 36" (915) | 18 inch (B125-18) | 1/4 NPT Threads |
| PA815 | Heavy Duty Arm has a more rigid Parallel Rack like the PA806 but with a larger Float Cylinder for higher tooling weights. 3/8" ID tool supply hose. | Download Specs | 800 (90) | N/A | 15 (6.75) | 36" (915) | 18 inch (B125-18) | 1/4 NPT Threads |
| PA315 | A shorter version of our PA815 for smaller work areas. 10.3" (261 mm) Vertical Travel. 3/8" ID tool supply hose. | Download Specs | 800 (90) | N/A | 15 (6.75) | 24" (610) | 12 inch (B125-12) | 1/4 NPT Threads |
| PA506 with UV-TH | Standard Duty Arm for lighter torques and small inline air tools with optional UV-TH tool holder added. 5/6" ID tool supply hose with 1/4 npt tool connection. | Download Specs | 550 (62) | N/A | 5 (2.25) | 38.5" (978) | 12 inch (B125-12) | UV-TH |
| PA506 with TUV-TH | Standard Duty Arm for lighter torques and small inline air tools with optional TUV-TH holder added. 5/6" ID tool supply hose with 1/4 npt tool connection. | Download Specs | 550 (62) | N/A | 5 (2.25) | 38.5" (978) | 12 inch (B125-12) | TUV-TH |
| PA306 with UV-TH | A shorter version of our PA506 for smaller work areas. 10.3" (261 mm) Vertical Travel. Includes optional UV-TH tool holder. 5/6" ID tool supply hose with 1/4 npt tool connection. | Download Specs | 550 (62) | N/A | 6 (2.7) | 26.5" (673) | 8 inch (B125-08) | UV-TH |
| PA306 with TUV-TH | A shorter version of our PA506 for smaller work areas. 10.3" (261 mm) Vertical Travel. Includes optional TUV-TH tool holder. 5/6" ID tool supply hose with 1/4 npt tool connection. | Download Specs | 550 (62) | N/A | 6 (2.7) | 26.5" (673) | 8 inch (B125-08) | TUV-TH |
| PA806 with UV-TH | Medium Duty Arm for inline air tools has a more rigid Parallel Rack than the PA506. Includes optional UV-TH holder and a 3/8" ID tool supply hose with 3/8 and 1/4 npt tool connections. | Download Specs | 800 (90) | N/A | 5 (2.25) | 38.5" (978) | 12 inch (B125-12) | UV-TH |
| PA806 with TUV-TH | Medium Duty Arm for inline air tools has a more rigid Parallel Rack than the PA506. Includes optional TUV-TH holder and a 3/8" ID tool supply hose with 3/8 and 1/4 npt tool connections. | Download Specs | 800 (90) | N/A | 5 (2.25) | 38.5" (978) | 12 inch (B125-12) | TUV-TH |
| PA815 with UV-TH | Heavy Duty Arm has a more rigid Parallel Rack like the PA806 but with a larger Float Cylinder for higher tooling weights. Includes optional UV-TH. 3/8" ID tool supply hose. with 1/4 and 3/8 npt tool connections. | Download Specs | 800 (90) | N/A | 14 (6.3) | 38.5" (978) | 12 inch (B125-12) | UV-TH |
| PA815 with TUV-TH | Heavy Duty Arm has a more rigid Parallel Rack like the PA806 but with a larger Float Cylinder for higher tooling weights. Includes optional TUV-TH. 3/8" ID tool supply hose. with 1/4 and 3/8 npt tool connections. | Download Specs | 800 (90) | N/A | 14 (6.3) | 38.5" (978) | 12 inch (B125-12) | TUV-TH |
| PA315 with UV-TH | A shorter version of our PA815 (for smaller work areas) with optional UV-TH . 10.3" (261 mm) Vertical Travel. 3/8" ID tool supply hose. with 1/4 and 3/8 npt tool connections. | Download Specs | 800 (90) | N/A | 15 (6.75) | 38.5" (978) | 8 inch (B125-08) | UV-TH |
| PA315 with TUV-TH | A shorter version of our PA815 (for smaller work areas) with optional TUV-TH. 10.3" (261 mm) Vertical Travel. 3/8" ID tool supply hose. with 1/4 and 3/8 npt tool connections. | Download Specs | 800 (90) | N/A | 15 (6.75) | 26.5" (673) | 8 inch (B125-08) | TUV-TH |
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