Screw Quality Control

Reliable Screw Starts from Every Detail

At Flybear, every screw order is checked through strict quality control, covering material verification, dimensional inspection, mechanical testing, surface evaluation and final packing inspection.

Dimensional Inspection

Checks key sizes such as diameter, length, head size and thread length to ensure correct assembly.

Go Gauge Testing

Verifies that the screw thread can pass within the required tolerance range.

No-Go Gauge Testing

Checks whether the thread exceeds the allowed tolerance limit.

Hardness Testing

Measures material hardness to confirm strength and heat treatment performance.

Torque Testing

Tests tightening performance and helps reduce drive or thread failure risks.

Tensile Testing

Evaluates the screw’s load-bearing strength under tension.

Spectrometer Analysis

Verifies the material composition and confirms the correct material grade.

Handheld Spectrometer Testing

Quickly verifies material composition on-site to help prevent material mix-ups and confirm the correct grade.

Coating Thickness Inspection

Measures plating or coating thickness to ensure consistent surface protection.

Salt Spray Testing

Evaluates corrosion resistance for plated or stainless steel screws.

RoHS Testing

Checks restricted substances for compliance with environmental requirements.

Magnetic Particle Inspection

Detects surface or near-surface cracks in ferromagnetic materials.

Optical Sorting

Uses automated visual inspection to reduce mixed parts and visible defects.

Metallographic Examination

Checks the internal metal structure and heat treatment condition.

Why Our Quality Control Matters

Quality checks help reduce assembly risks and ensure stable screw performance.

What You Get

Inspection support for standard and custom screw orders.