Complete Kits Superior Corrosion Resistance Durability

Specifications & Design

 1. Comprehensive Size Range: Full series of metric (M3-M30) and imperial (#4-2 inch) diameters available, with standard and custom lengths.

 2. Head Design: Standard hex head with precise across-flats dimensions and clean edges, optimized for maximum torque application.

 3. Thread Types: Full thread or partial thread options; precision-rolled threads ensure smooth engagement.

 4. Strength Grades: Full range from 4.8 to 12.9 (metric) and Grade 2 to Grade 8 (imperial).

Material & Manufacturing

1. Core Materials: Carbon steel (zinc/geomet coated), alloy steel, 304/316 stainless steel.

2. Forging Process: Cold/hot forged for complete grain flow and internal integrity.

3. Heat Treatment: Precision quenching and tempering for optimal hardness-toughness balance.

4. Surface Finishes: Zinc plating (blue/white/yellow), hot-dip galvanizing, Dacromet, mechanical plating options.

Performance Features

1. High Torque Capacity: Hex design supports maximum tightening torque, meeting up to 12.9 grade requirements.

2. Vibration Resistance: With locking washers or threadlocker, passes industry vibration standards.

3. Environmental Durability: Zinc coatings withstand up to 1000-hour salt spray tests; stainless steel resists chemical corrosion.

4. Installation Compatibility: Compatible with manual/pneumatic/electric tools and automated assembly systems.

<img alt="" src="</span></p> <p> </p> <p> </p> <p><span style=" font-size:14px;"="">FAQ

1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the Alibaba certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.