Buy now! $86.15USD
Dwyer

A-397 Step Drill for 3/16 in to 1/2 in Holes

Fast, convenient installation of pitot tubes in sheet metal ducts

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$86.15USD
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A 397 Step Drill for 316 in to 12 in Holes 05228

For fast, convenient installation of pitot tubes in sheet metal ducts. No center punch needed; automatic de-burring. Drills six sizes from 3/16 in - 1/2 in with 1/16 in increments.

• Operates by using a 1 RPM synchronous motor to rotate a four vane, plastic paddle
• When material surrounds paddle and impedes rotation, the motor is de-energized and triggers a SPDT snap switch
• Mount the Mini-Bin with optional 1-1/4 in - 3/4 in reducer to replace standard size units

Agency ApprovalsCE
ServiceDry bulk solids
Wetted MaterialsPolycarbonate paddle, stainless steel shaft, PTFE washer
Temperature Limits-4°F - 140°F (-20°C - 60°C)
Enclosure RatingPolycarbonate, NEMA 1
Electrical Rating3 A @ 250 VAC
Electrical Connections18 AWG, 12 in leads wrapped in conduit
Process Connection3/4 in male NPT, optional flange and 1-1/4 in - 3/4 in reducer
Mounting OrientationSide mount
Power Requirements110 VAC, 50/60 Hz
Power Consumption1.5 W
Weight0.77 lb (350 g)
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    Accessories Miscellaneous 12903

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