Non-Standard Thread Bolt

We produce a wide variety of non-standard bolts, including:

Shoulder Bolts

Stepped Bolts

Flanged Bolts

Custom Head Bolts (e.g., internal/external special drives)

Threaded Studs & Special Fasteners

Bolts with Non-Standard Threads (e.g., ACME, Whitworth)

High-Strength Structural Bolts

Service Team from Compass

Our dedicated team ensures a seamless experience:

Engineering Support – DFM (Design for Manufacturing) analysis and optimization suggestions

Project Management – Dedicated point-of-contact for smooth communication

QC Specialists – Strict inspection and quality documentation

Logistics Coordination – Timely delivery and shipping support

After-Sales Representatives – Prompt response to inquiries and feedback

Surface Treatments

To enhance performance and longevity, we offer:

Electroplating (Zinc, Nickel, Chrome) – Corrosion and wear resistance

Hot-Dip Galvanizing – Extra thickness for harsh environments

Anodizing (for Aluminum) – Improved hardness and color coding

Phosphating – Enhanced adhesion and corrosion protection

Dacromet Coating – Superior rust resistance without hydrogen embrittlement

Passivation (Stainless Steel) – Restores corrosion resistance after machining

Qingdao Compass Hardware Co., Ltd. is a professional manufacturer specializing in precision CNC (Computer Numerical Control) machining with over 15 years of extensive production experience-1. The company is dedicated to providing customers with one-stop customized solutions from design and machining to surface treatment.
The core business encompasses precision CNC machining services, involving the manufacturing of complex parts from various metals (such as stainless steel, aluminum alloys, carbon steel, brass) and engineering plastics (like POM, Nylon, PEEK) -1. Equipped with comprehensive capabilities including turning, milling, drilling, and tapping, the company focuses on meeting customer demands for high-precision and high-quality products.