Product Specifications: M16-M30
Material: 20MnTiB / 35VB
Implementation of standards: GB1228
Surface treatment: black / phosphating
Performance level: 10.9 level
Rockwell Hardness: 33-38
Material: high carbon spring steel, spring steel, stainless steel, alloy steel Compression Spring, Extension Spring : Wire Diameter: 0.2-40.0mm Torsion spring wire diameter :0.2-35mm Surface Finish: black , Zinc, Nickel, silver, golden, tin, powder coating, shot pin Applications: Automotive, medical device, agricultural machinery ,electronics, toy, electric power distribution. Extension spring hook include Germany hook, British hook, Side hook We can customize special design of springs based on your requirement.
Product Name: Dacromet Zinc color: silver white Thickness of zinc layer: 7Îm to 10Îm Rust protection: more than 15 years Application areas: railway road, power tower, automotive electronics, greenhouse, photovoltaic power generation, etc.
Product Specifications: M8-M42 Production material: 35# / 45# Implementation of standards: GB901 Surface treatment: black Performance level: 8.8 level Rockwell hardness: 22-32
Product specifications: m16-m30 Material: 20mntib Implementation of standards: gb3632 Surface treatment: black / phosphating Performance level: 10.9 level Rockwell hardness: 33-38
Product Name: Hot-Dip Galvanized Bolt Zinc color: silver white Thickness of zinc layer: 50¼m to 120¼m Rust protection: more than 25 years Application areas: railway road, power tower, automotive electronics, greenhouse, photovoltaic power generation, etc.
Product Name: Hot Sheradizing Bolt Zinc color: deep gray Thickness of zinc layer: 50¼m to 100¼m Rust protection: more than 30 years Application areas: railway road, power tower, automotive electronics, greenhouse, photovoltaic power generation, etc.
Product Specifications: M8-M42 Production material: 35 # / 45 # Implementation of standards: GB901 Surface treatment: black Performance level: 8.8 level Rockwell hardness: 22-32
Hexagon socket bolt Product Specifications: M8-M42 Material: 40Cr Implementation of standards: DIN912 Surface treatment: black Performance level: 12.9 level Rockwell Hardness: 39-44
Product Specifications: M8-M42 Production material: 35# / 45# Implementation of standards: GB5782 / GB5783 Surface treatment: black Performance level: 8.8 Rockwell hardness: 22-32
