Step Drill Bit, Shank Size 3/8 In., Number of Hole Sizes 12, Size 3/16 In. to 7/8 In., Step Thickness 1/16 In., Number of Flutes 2, Number of Pieces 1, Shank Type Round Shank With Three Flats, Point Angle 135 Degrees , Bit Length 3-1/4 In., Material HSS M2, Bright Finish Finish, Ideal For Drilling Multiple Diameter Holes In A Variety Of Materials
This item as most of ours have a 1 year protection. We suggest that you call us and ask to speak to our Metal Working Technical Team describing the application so we can sort through the problem and resolve it. 1-800-Grainger
Not by that term since a rheostat is a voltage divider and not used much today. Our 1AGU5 is designed for speed control and will deliver speed control in the top 40% of the motor RPM in most motor applications as this.
DC Gearmotor, Voltage 12VDC, Single Output Shaft, Nameplate RPM 20, Max. Torque 150 in.-lb., Overhung Load 250 lb., Input HP 1/15, Gear Ratio 81:1, Full Load Amps 6.20, Insulation Class F, TENV Enclosure, None Thermal Protection, All Position Mounting, Motor Type Permanent Magnet DC, Unpainted Finish, Replacement Brushes 6YHY5
Torque Screwdriver, -, Drive Size (In.) 1/4, Primary Scale Range 7 to 36 in.-lb., Primary Scale Increments 1 in.-lb., Overall Length (In.) 7-3/16, CW Rotation, Accuracy +/-2 Percent of Torque Reading @ 20 to 100 Percent Of Full Scale, Reset Type Click-Over, Min. Number of Cycles -, Housing Material Steel, Grip Type Knurled, Meets/Exceeds B107.14M, Calibration Certificate Yes