Q235 Carbon Steel Fasteners | DIN 933 DIN 931 DIN 934 DIN 125 DIN 127 DIN 975

1. Product Overview

We officially launch our full series Q235 carbon steel fasteners at Ningbo Gangtong Zheli Fasteners.Made of high-quality Q235 carbon structural steel, this series covers bolts, nuts, flat washers and spring washers. It features good plasticity, easy processing, stable performance and high cost performance, ideal for general construction, machinery, electrical, furniture and conventional engineering assembly.

All products follow GB standard, DIN standard, ISO standard, stable size, uniform texture, suitable for mass procurement and conventional project matching.

2. Q235 Matching Product & Grade List

Applicable Product Models & Strength Grade

Product TypeStandard ModelQ235 Conventional GradeCommon FinishHex BoltDIN 933 / DIN 9314.8 GradeZinc Plated / BlackHex NutDIN 934Grade 4 / Grade 6Zinc Plated / BlackFlat WasherDIN 125Ordinary GradeZinc Plated / PlainSpring Lock WasherDIN 127Ordinary Elastic GradeZinc Plated / BlackThreaded RodDIN 9754.8 GradeZinc Plated / Black

3. Core Advantages of Q235 Material Fasteners

Adopt Q235B high-quality carbon steel, stable yield strength, not easy to crack

Good cold heading performance, smooth thread, tight assembly

Moderate hardness, no brittle fracture, strong impact resistance

Cost-effective, suitable for large quantity conventional projects

Support electro-galvanized, black oxide, natural plain finish

Complete specifications from small size to large size, sufficient stock

4. Main Application Scenarios

Civil construction steel structure & building frame connection

General mechanical equipment assembly and fixed bracket

Electrical cabinet, pipeline support, air duct installation

Furniture hardware, municipal facilities, daily hardware fastening

Low-load, non-high-strength conventional engineering projects

5. Why Choose GTZL Q235 Series Fasteners

Raw material strictly selected Q235B carbon steel, consistent batch performance

Full size complete, conventional specifications in stock, fast delivery

Dimensional inspection, thread inspection and hardness sampling for each batch

Support mixed batch procurement, small trial order and bulk project order

Support OEM packaging, label customization and export documents

Long-term supply for Europe, Southeast Asia, Middle East and other markets

6. Conclusion

The launch of Q235 carbon steel full-series fasteners fills the demand for cost-effective conventional standard parts. With stable Q235 material performance, complete models and reasonable price, it becomes the preferred one-stop procurement solution for global conventional engineering and mechanical assembly.

GTZL will keep supplying standard material-grade matched fasteners to meet different load, environment and budget demands of global buyers.