NPN Machine

5-axis CNC milling; precision machining; tight tolerances

Capabilities

Our Capabilities highlight the steady, reliable strength behind every solution we provide. From precision machining to thoughtful engineering support, each service is designed to bring clarity, efficiency, and long-lasting value. We focus on grounded, sustainable practices that help your operations run smoothly, with tools and techniques that feel balanced, dependable, and built for real-world needs.

Machinery & Equipment

Our Machinery & Equipment offerings are crafted to bring steady performance and lasting reliability to your workspace. Each machine is selected with care, ensuring it supports smooth operations, balanced productivity, and long-term value. With a focus on durability and thoughtful engineering, we provide equipment that feels grounded, efficient, and ready to work quietly in the background—helping your processes flow with ease.

5-axis CNC milling; precision machining; tight tolerances

Materials

Our Materials selection is thoughtfully curated to support projects with strength, balance, and dependable quality. Each material is chosen for its natural resilience and steady performance, helping your work flow smoothly from start to finish. With an emphasis on durability and consistency, we provide resources that feel grounded and trustworthy—ready to support every step of your craftsmanship.

Value-Added Services

Our Value-Added Services are designed to bring gentle efficiency and thoughtful support to your operations. Each service adds a layer of clarity, precision, and ease, helping your workflow feel more balanced and dependable. With a focus on careful craftsmanship and long-term value, we offer enhancements that quietly strengthen your processes, making each project smoother, steadier, and naturally more efficient.

Industries Served

Our work supports a wide range of industries with steady, reliable solutions that feel grounded and thoughtfully crafted. Each sector we serve benefits from tools, materials, and services designed to bring balance, clarity, and long-lasting value. Whether it’s manufacturing, engineering, or specialized production, we offer support that fits naturally into your workflow—helping operations run smoothly and with quiet confidence.

Value-Added Services

Premium Threading

Precision Threading for Critical Connections

  • Expert Thread Types: UNC, UNF, Metric, NPT, BSPT & Special Forms

  • Advanced Techniques: Single-Point, Thread Milling, & Tap Operations

  • Quality Assurance: 100% Thread Verification with Thread Gauges

  • Material Expertise: Threading in All Metals & Engineering Plastics

  • Applications: High-Pressure, Aerospace, & Precision Assembly

Deep Hole Drilling

Precision Drilling for Demanding Applications

  • Specialized Capability: Depth-to-Diameter Ratios up to 30:1

  • Advanced Processes: Gun Drilling & BTA Drilling Systems

  • Quality Focus: Straightness & Surface Finish Control

  • Material Expertise: All Metals & Engineering Plastics

  • Applications: Hydraulic Cylinders, Mold Cooling, Aerospace & Medical

NPN Machine Tools 37,250 sq ft machining facility; Houston Texas

Honing & Grinding

Ultra-Precise Surface Finishing & Sizing

  • Precision Honing: Perfect bore geometry, size, and surface finish

  • Expert Grinding: Surface, cylindrical, and centerless grinding services

  • Tight Tolerances: Achieve critical dimensions within ±0.0001″

  • Superior Finishes: Surface finishes to 8 Ra and better

  • Quality Focus: Ideal for high-wear and sealing surfaces

Heat Treating

Enhanced Material Properties Through Precision Heat Treatment

  • Full Range Services: Annealing, Hardening, Tempering & Stress Relieving

  • Precision Control: Achieve exact hardness & material properties

  • Quality Assurance: Full documentation & certification available

  • Material Expertise: Alloy steels, tool steels & specialty metals

  • Applications: Wear components, tooling & structural parts

Protective Coatings & Plated Surfaces

Enhanced Protection for Superior Performance

  • Surface Treatments: Anodizing, Powder Coating, & Passivation

  • Plating Services: Zinc, Nickel, Chrome, & Cadmium

  • Quality Focus: Improved corrosion resistance, durability, and appearance

  • Material Expertise: All metals and engineered plastics

  • Applications: Aerospace, automotive, marine, and industrial components

NDT Testing

Quality Assurance Through Non-Destructive Testing

  • Testing Methods: Dye Penetrant, Magnetic Particle, Ultrasonic

  • Quality Focus: Detect surface and subsurface defects without part damage

  • Certified Processes: Meet industry standards and customer specifications

  • Material Expertise: All metals and critical components

  • Applications: Aerospace, automotive, and high-integrity parts

Industries Served

Oil & Gas

Precision Components for Extreme Environments

  • Specialized Parts: Valves, wellhead components, drill fittings, and pump parts

  • Material Expertise: High-strength alloys, corrosion-resistant metals, and specialty steels

  • Critical Services: Premium threading, deep hole drilling, and NDT testing

  • Quality Standards: API, ASME, and ISO certifications

  • Applications: Upstream, midstream, and downstream operations

Petrochemical

Precision Components for Corrosive & High-Pressure Environments

  • Critical Components: Reactor parts, heat exchanger plates, valve bodies, pump housings

  • Material Expertise: Stainless steels, duplex steels, nickel alloys, titanium

  • Specialized Services: Corrosion-resistant coatings, high-pressure threading, precision boring

  • Quality Focus: ASME compliance, material traceability, NDT testing

  • Applications: Processing equipment, piping systems, pressure vessels

NPN Machine Tools 37,250 sq ft machining facility; Houston Texas

Industrial Manufacturing

Your Partner for Production & Maintenance Solutions

  • Core Components: Gears, shafts, housings, frames, and custom fixtures

  • Material Expertise: Carbon steel, alloy steel, aluminum, cast iron, and plastics

  • Full-Service Support: Prototyping, short-run, and high-volume production

  • Value-Added Services: Heat treating, plating, grinding, and assembly

  • Applications: Machinery, automation systems, and production line support

Marine

Saltwater-Ready Components Built for Reliability

  • Critical Parts: Propeller shafts, rudder components, pump housings, valve systems

  • Material Expertise: Marine-grade stainless steel, bronze, aluminum, and corrosion-resistant alloys

  • Specialized Services: Precision boring, deep hole drilling, corrosion-resistant coatings

  • Quality Focus: Saltwater corrosion resistance, pressure integrity, classification society standards

  • Applications: Commercial vessels, naval systems, offshore platforms, and marine engines

OEM

Your Manufacturing Partner for Original Equipment Production

  • Precision Components: Housings, actuators, manifolds, and complex assemblies

  • Material Versatility: Metals, plastics, and exotic materials for any application

  • Full-Service Support: From prototyping to high-volume production

  • Quality & Consistency: Rigorous QA/QC with full traceability

  • Applications: Aerospace, automotive, medical, and industrial equipment

Industries Served - Engineering Companies

Your Strategic Manufacturing Partner for Complex Projects

  • Prototype to Production: Bridging the gap between design and reality

  • Complex Component Fabrication: Precision parts from client-supplied drawings

  • Material & Process Expertise: Advisory support for manufacturability (DFM)

  • Stringent Quality Assurance: Delivering on specified tolerances and standards

  • Applications: Custom machinery, R&D projects, and specialized equipment

Materials

Carbon Steel

Precision Machining for Demanding Applications

  • Material Specialization: Low, Medium, and High Carbon Steels (e.g., 1018, 1045, 4140)

  • Key Characteristics: We machine parts that require excellent strength, durability, and wear resistance.

  • Common Uses: Ideal for industrial components, shafts, gears, frames, and structural parts.

  • Full-Service Machining: Milling, Turning, Drilling, and Threading tailored to carbon steel’s properties.

  • Post-Processing: Ready for heat treatment, plating, painting, or other surface finishes.

Alloy Steel

High-Strength Machining for Demanding Applications

  • Material Specialization: 4140, 4340, 8620 & Other Alloy Grades

  • Key Characteristics: Precision machining of high-strength, heat-treatable steels

  • Common Uses: Gears, shafts, bearings, and high-stress components

  • Full-Service Machining: Optimized processes for tough alloy materials

  • Post-Processing: Expert heat treatment and finishing coordination

NPN Machine Tools 37,250 sq ft machining facility; Houston Texas

Stainless Steel

Corrosion-Resistant Precision Machining

  • Material Specialization: 303, 304, 316, 17-4PH & Other Grades

  • Key Characteristics: Machining corrosion-resistant, high-strength stainless alloys

  • Common Uses: Medical devices, food processing, marine, and chemical components

  • Full-Service Machining: Specialized techniques for stainless steel’s unique properties

  • Post-Processing: Passivation, polishing, and specialty finishes available

Aluminum

Lightweight Precision Machining Solutions

  • Material Specialization: 6061, 7075, 2024 & Other Aluminum Alloys

  • Key Characteristics: High-speed machining of lightweight, strong components

  • Common Uses: Aerospace parts, automotive components, enclosures, and heat sinks

  • Full-Service Machining: Optimized for aluminum’s machining characteristics

  • Post-Processing: Anodizing, painting, and specialty finishes available

Brass

Precision Machining for Excellent Machinability

  • Material Specialization: C360, 260, 385 & Other Brass Alloys

  • Key Characteristics: Superior machinability, corrosion resistance, and electrical conductivity

  • Common Uses: Precision fittings, electrical components, valves, and decorative parts

  • Full-Service Machining: High-speed production with excellent surface finishes

  • Post-Processing: Polishing, plating, and lacquering available

Bronze

Durable Precision for Demanding Applications

  • Material Specialization: 954, 932, 510 & Other Bronze Alloys

  • Key Characteristics: Excellent wear resistance, corrosion resistance, and low friction

  • Common Uses: Bushings, bearings, gears, and marine components

  • Full-Service Machining: Expert handling of bronze’s unique properties

  • Post-Processing: Precision grinding and finishing available

Copper

High-Conductivity Precision Machining

  • Material Specialization: C101, C110, C145 & Other Copper Alloys

  • Key Characteristics: Excellent electrical/thermal conductivity, corrosion resistance

  • Common Uses: Electrical components, heat exchangers, bus bars, and RF shielding

  • Full-Service Machining: Specialized techniques for copper’s soft ductile nature

  • Post-Processing: Plating, polishing, and anti-tarnish treatments available

Chrome

Hardened Surface Solutions for Extreme Durability

  • Material Specialization: Hard Chrome Plating & Chrome Alloy Machining

  • Key Characteristics: Extreme hardness, wear resistance, and corrosion protection

  • Common Uses: Hydraulic cylinders, mold surfaces, wear components, and shafts

  • Full-Service Machining: Precision grinding and finishing of chrome surfaces

  • Post-Processing: Hard chrome plating services available

Cast Iron

Precision Machining for Durable Components

  • Material Specialization: Gray Iron, Ductile Iron, & Other Cast Iron Alloys

  • Key Characteristics: Excellent vibration damping, wear resistance, and machinability

  • Common Uses: Engine blocks, machine bases, pump housings, and industrial components

  • Full-Service Machining: Optimized processes for cast iron’s unique properties

  • Post-Processing: Stress relieving, painting, and coating services available

Plastics, Polymers & Elastomers

Precision Machining of Engineering Plastics

  • Material Specialization: Delrin, Nylon, PTFE, PVC, Polycarbonate & More

  • Key Characteristics: Lightweight, corrosion-resistant, and electrical insulating

  • Common Uses: Insulators, bearings, seals, prototypes, and food-safe components

  • Full-Service Machining: Specialized tooling for clean, precise plastic parts

  • Post-Processing: Deburring, polishing, and fabrication services

Machinery & Equipment

CNC Mills with Live Tooling

Complete Parts in a Single Setup

  • Multi-Axis Milling & Turning

  • On-Machine Drilling & Tapping

  • Complex Contouring & Profiling

  • Reduced Part Handling

  • Faster Production Cycles

5-Axis CNC Machining

Complex Parts. Single Setup.

  • Simultaneous Multi-Side Machining

  • Complex Contours & Organic Shapes

  • ±0.0005″ Tight Tolerance Accuracy

  • Reduced Fixturing & Handling

  • Aerospace, Automotive & Medical Grade

NPN Machine Tools 37,250 sq ft machining facility; Houston Texas

Engine Lathes & Turret Lathes

Classic Precision, Modern Performance

  • Engine Lathes: Versatile manual machining for custom jobs & repairs

  • Turret Lathes: Efficient repeat production of multiple identical parts

  • Shafts, Bushings, Cylinders & Custom Components

  • Expert Machinists with Decades of Experience

  • Ideal for Prototypes, Repairs & Specialized Production

Manual Milling Services

Precision Craftsmanship for Specialized Needs

  • Custom One-Off Parts & Prototypes

  • Precision Repairs & Modifications

  • Tooling & Fixture Manufacturing

  • Skilled Machinist Expertise

  • Quick-Turn Simple Projects

Production Sawing

Precision Cutting for Maximum Efficiency

  • High-Speed Production Sawing

  • Accurate Material Sizing

  • Metals, Plastics & Composites

  • Optimized for Batch Processing

  • Minimal Material Waste

Capabilities

CNC Milling

  • 3-Axis: Reliable, high-precision parts.

  • 4-Axis: Complex profiles, efficient production.

  • 5-Axis: Intricate geometries, single setup.

  • Expertise in Metals & Plastics.

  • Rigorous Quality Assurance.

CNC Turning

Large-Capacity Precision Turning

  • Up to 36″ diameter × 120″ length

  • Heavy-duty industrial components

  • Aerospace, oil & gas, marine parts

  • Live tooling capabilities

  • Tight tolerance expertise

NPN Machine Tools 37,250 sq ft machining facility; Houston Texas

Rapid Prototyping

Fast-Track Your Ideas to Reality

  • 3-5 Axis CNC Precision

  • Quick-Turn Machining

  • Functional Prototypes & Pre-Production Parts

  • Wide Material Selection

  • Accelerated Development Cycles

Short-Run & High-Volume Machining

Precision at Any Volume

  • 1-1,000+ Parts

  • Consistent Repeatability

  • Optimized Production Efficiency

  • Rigorous Quality Control

  • Scalable Solutions

Secondary Operations

Precision Finishing & Detailing

  • Drilling: Accurate hole creation

  • Boring: Tight-tolerance diameter refinement

  • Threading: Precise internal/external threads

  • Grooving: Complex grooves & undercuts