National 4 Ft. x 1/4 In. Hydraulic Shear - NH4825

$18,990.00
SKU
NH4825

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The National NH4825 - 4 Ft. x 1/4 In. Hydraulic Shear features a 50" x 1/4" mild steel (1/8" stainless) shearing capacity and is expertly built in the USA, with a lifetime warranty and the quality serious metal fabricators demand.  The NH4825 shear ships complete with spring actuated hold downs, front sheet supports, a manual back gauge with positive locks and a front table square with 1/16" increment length scale.  An optional 57" front squaring arm is available, as well as two back gauge upgrades including digital movement control in precise increments.

The NH4825 Hydraulic Shear from National is designed for precise shearing through a full 48 inches of 1/4" (3 gauge) mild steel at up to 20 strokes per minute.  This shear is also recommended for cutting aluminum, plastic, copper, brass, lead and a range of composite materials.  The NH4825 ships complete with spring actuated hold downs, front sheet supports, a manual back gauge with positive locks and a front table square with 1/16" increment length scale.  National heavy duty power shears are equipped with a fully integrated hydraulic unit, complete with an electrical hydraulic valve, pilot operated-pressure relief valve, heavy duty double acting cylinders and a fully enclosed control panel.  A shrouded foot switch allows the unit to return to the top of the stroke when the operator removes his foot from the pedal.  The pedal is attached to a long flexible cable, allowing it to be placed in a comfortable working position.

The cutting heads on National shears are constructed from D2 steel, a high carbon, high chromium alloy that offers extremely high wear and abrasion resistance.  Both upper and lower blades have been ground and sharpened on all four sides, doubling the working life of the shear versus the more common two-sided blades from other manufacturers.  National machinery offers superior strength and durability with a body constructed of welded steel plates, a much stronger design over the cast iron frames commonly used by the industry. 

An optional 60" front squaring arm is available, as well as two back gauge upgrades.  The first is a manual 'quick set' back gauge that features a digital readout in fractions or decimals and can travel 32" in only two turns of the adjustment handle.  The second option is a fully powered back gauge that features digital movement control in precise increments of one thousandth of an inch and provides 30" of travel on precision Thomson bearings.

Made in the USA and backed by a full five year warranty and a lifetime warranty against breakage on the cutting heads and table, the National 48 In. x 1/4 In. Hydraulic Shear is expertly built with simplicity in design and the quality that serious fabricators demand.

Specifications

  • Capacity, Mild Steel - 1/4 in. (3 Gauge) @ 55,000 PSI Tensile Rating
  • Capacity, Stainless Steel - 1/8 in. (11 Gauge) @ 55,000 PSI Tensile Rating
  • Maximum Working Length - 50″
  • Strokes per Minute - 20 (Approximate)
  • Power Type - Hydraulic
  • Oil Tank Capacity - 24 Gal.
  • Electrical Specs - Choice of 208, 220 or 440v, Three Phase, 7.5 HP Motors (Standard) -or- 208 or 220v, Single Phase, 7.5 HP Motors (Optional)
  • Weight - 5,000 Lbs.
  • Foundation Bolt Pattern - 59-1/2" x 30-1/2"
  • Floor Space with Back Gauge - 66-1/2” x 98” x 54”
  • Floor Space without Back Gauge - 66-1/2” x 38” x 54”
More Information
SKU NH4825
Weight (Lbs.) 5000.0000
Power Type Hydraulic
Working Length 4 Ft. / 48 In.
Capacity, Mild Steel 3 Ga. | 1/4" | 0.250"
Manufacturer National Sheet Metal Machines
Country of Manufacture United States
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