ISO 2768 Tolerance Standards for CNC Machining

What standard is generally followed for dimensions on a drawing without specified tolerances? (Unspecified Tolerances)When we are dealing with an engineering drawing, if we find that certain dimension...

saman Oct 26,2026 96 views

ISO 2768 ISO 2768 Tolerance

CNC Machining Quotes: Why They Differ and How to Choose

Send the same drawing to three machine shops and you may get: Shop A at $136, Shop B at $240, Shop C at $78. Which one do you choose?Choose the lowest price and you risk quality problems. Choose the h...

saman Oct 08,2026 275 views

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How CNC Machining Costs Are Calculated: A Complete Cost Breakdown

The Direct Answer: A Quote Is More Than Just Material Plus a MarkupA CNC machining quote is typically composed of material costs, programming fees, machine hourly rates, fixturing/tooling costs, inspe...

saman Oct 01,2026 186 views

CNC machining cost breakdown machine hourly rate material cost programming fee inspection cost surface treatment batch pricing tolerance DFM quote estimation

Nut Height and Threaded Hole Depth from the Perspective of Thread Load Distribution

During a recent technical discussion, we talked about the load distribution on screw threads. The two figures shared were meant to illustrate that thread loading is not uniform: the first three thread...

saman Sep 29,2026 157 views

thread load distribution nut height design threaded hole depth CNC machining

Beautiful Metal Housings, Exorbitant Machining Costs: 5 Key Design Tips

Last month, an industrial product founder reached out to me. His product featured a fully integrated CNC-machined aluminum enclosure. Visually stunning, cool solid-metal feel when you set it on a desk...

saman Sep 17,2026 204 views

DFM CNCmachining AluminumEnclosure ProductDesign HardwareManufacturing

Selection, Common Problems and Remedial Actions of Thread Machining Methods

Two primary methods are available for threaded hole machining: tapping and thread milling. Tapping represents the conventional thread machining process, while thread milling has progressively replaced...

saman Sep 15,2026 184 views

Thread Machining Tapping Thread Milling Indexable Insert Tool Solid Carbide Cutter

Must the Pilot Hole Depth for Threads Strictly Follow Design Manual Standards?

A technician recently reached out to ask how deep the pilot hole should be drilled for tapped holes.As shown in the diagram: A = actual thread engagement length, C = effective thread depth, B = pilot ...

saman Jul 02,2026 1826 views

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Accuracy levels and costs achievable with different machining methods

This post is packed with practical information. I’ve included a few charts to help you understand the precision levels, surface roughness grades, and costs associated with different machining methods....

saman Mar 21,2026 1530 views

cost Accuracy Machining Methods Surface Roughness Grades Precision Levels

What You Don’t Know About Implicit Tolerances

When it comes to implicit tolerances, mechanical designers are no strangers to the concept. After specifying tolerances for high-precision requirements, they typically indicate on the drawings which s...

saman Mar 21,2026 1924 views

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ISO Certified Quality Management & Global Manufacturing Standards | Justway

At Justway, customer satisfaction is the primary objective of our Quality Management System (QMS). We strictly adhere to International Organization for Standardization (ISO) standards and continuously...

saman Dec 31,2025 3049 views

Why Does Stainless Steel Still Rust?

There are many types of stainless steel, such as ferritic stainless steel, austenitic stainless steel, martensitic stainless steel, duplex stainless steel, precipitation hardening stainless steel, etc...

saman Dec 30,2025 2443 views

CNC machining Stainless Steel Rust

Where Are Chamfers and Fillets Needed?

We often see rounded - edge designs in many products. This design is called edge rounding. In the quality inspection department of justway, many parts can be seen to have used this process.Edge roundi...

saman Feb 20,2025 5684 views

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How to Choose the Perfect Material for CNC Machining: A Comprehensive Guide

CNC machining is renowned for its speed, precision, and versatility, making it suitable for a wide range of materials, including metals, plastics, semiconductors, and elastomers. Whether you're creati...

saman Feb 18,2025 3977 views

CNC machining material selection aluminum stainless steel plastics mechanical properties cost efficiency

Geometric Tolerances in CNC Machining: Your Ultimate Knowledge Pack

Let's first take a brief look at this simple diagram. What do the annotations in the diagram represent? Can you understand them easily?01 What is Geometric Tolerance?(1) The Difference between Size To...

saman Feb 13,2025 5396 views

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Characteristics and Applications of Casting

Characteristics of commonly used casting structures1. Gray cast iron partsPerformance: good fluidity, small body shrinkage and linear shrinkage. The comprehensive mechanical properties are low, and th...

Justway Apr 17,2024 3574 views

Casting