Single & Multiple Spindle Screw Machining Services-Oak Creek-WI-National Technologies, Inc. National Technologies - Single & Multiple Spindle Screw Machining Services
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Single & Multiple Spindle Screw Machining Services


National Technologies has been a leader in the screw machining industry since 1959. Our capabilities in high-volume, multiple-spindle screw machining, as well as lower volume single-spindle production, combined with six-spindle chucker machining and a full array of secondary operations, make National Technologies the performance leader in screw machining and production parts. National Technologies’ extensive screw machining experience with varied materials, finishes, tolerances and complex features provides solutions and quick-turn-around for even the toughest screw machining projects. If screw machining is what you want, National Technologies is the quality, price and delivery source you need.

  • Multiple-Spindle Automatics
  • Single-Spindle Automatics
  • Six-Spindle Chuckers
  • In-House Tool Making



    •  Specifications  

    Turning Capacity

    		Max. OD: 2-1/4”
    Max. Length: 6”
    OD Tolerance: +/- .0005”
    Length Tolerance: +/- .001”

    Equipment List

    		3 New Britain #657 Chuckers 6" Chucking Capacity 6 Spindle Automatics
    11 New Britain #62 Automatics 2-1/4" Capacity 6 Spindle Bar Machines
    6 Acme-Gridley Automatics 1-1/4" Capacity 6 Spindle Bar Machines
    6 New Britain Automatics 1" Capacity 6 Spindle Bar Machines
    2 Acme-Gridley Automatics 9/16" Capacity 6 Spindle Bar Machines
    1 Brown & Sharpe Ultramatic 2" Bar Capacity
    11 Brown & Sharpe Ultramatics 1-5/8" Bar Capacity
    2 Brown & Sharpe Ultramatics 1/2" Bar Capacity
    1 No. 5 Warner-Swasey Turret Lathe 4" Bar Capacity & 7" Chucking Capacity
    1 No. 5 Warner-Swasey Turret Lathe 2-3/4" Bar Capacity & 7" Chucking Capacity
    1 No. 4 Warner-Swasey Turret Lathe 2" Bar Capacity & 7" Chucking Capacity
    4 Hardinge Precision Hand Chuckers 1-1/16" Bar & 6" Chucking Capacity
    3 Hardinge Precision Screw Machines 1-1/16" Bar & 6" Chucking Capacity

    Materials

    		Steel: A2, A36, 1018, 1020, 1045, 1117, 1141, 1144, 1215, 12L14, 4140, 4340, 8620, E.T.D. 150, E52100, Stressproof, Fatigueproof
    Stainless Steel: 303, 304, 304L, 304 VAR, 316, 316L, 416, 440C
    Aluminum: 2011, 2017, 2024, 4032, 6061, 7075
    Brass
    Bronze
    Copper
    Zinc
    Nickel
    Tubing: 1026 DOM, Seamless, SAE J525 Hydraulic, Black Pipe
    Cast Iron
    Plastic: Acetal, Delrin, Nylon, Polycarbonate, Lexan, Acrylic, PVC, Teflon, UHMW, Garolite

    Industries Served

    		Aerospace & Defense
    Agricultural Machinery
    Automotive & Transport
    Communications
    Construction, Mining & Heavy Equipment
    Consumer Products
    Energy & Utilities
    Engine Manufacturers
    Fluid Control Equipment, Pump, Seal & Valve
    Fuel Systems
    Hydraulics
    Industrial Machinery & Equipment
    Medical
    Power Generation
    Recreational Equipment

    QC/QA Certifications

    		ISO 9001:2008

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    National Technologies, Inc. | Precision Machining Solutions for Manufacturing Leaders Worldwide