Product Specifications: M16-M30 Material: 20MnTiB / 35VB Implementation of standards: GB1228 Surface treatment: black / phosphating Performance level: 10.9 level Rockwell Hardness: 33-38
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 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 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: 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 Specifications: M8-M42 Production material: 35# / 45# Implementation of standards: GB5782 / GB5783 Surface treatment: black Performance level: 8.8 Rockwell hardness: 22-32
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
