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 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
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 / 35VB
Implementation of standards: GB1228
Surface treatment: black / phosphating
Performance level: 10.9 level
Rockwell Hardness: 33-38
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 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
