Hex head self tapping self – drilling roofing screws with washers are typically manufactured from high – quality materials to ensure durability and reliable performance in roofing applications.

Dacromet pancake head self – drilling screws are crafted from a variety of high – performance materials, carefully selected to meet diverse application demands. Carbon steel is a commonly employed base material, especially in grades such as 45# and 65Mn.

Torx drive window frame concrete screws are predominantly crafted from high – strength materials to ensure reliable and long – lasting fastening in concrete and other masonry materials.

Hex head self-drilling screws are typically manufactured from a variety of high-performance materials, each selected to meet specific application needs. Carbon steel is a commonly used material, especially in grades like 45# and 65Mn.

Slotted pan head screws are fabricated from diverse materials, each selected to fulfill specific application demands. Carbon steel stands as a commonly adopted material for general – purpose usage.

Phillips countersunk flat head machine screws are crafted from a variety of materials, each chosen to suit specific application needs. Carbon steel is a commonly utilized material for general – purpose applications.

CSK flat socket head screws are typically manufactured from a diverse range of materials, each selected to meet specific performance requirements. Carbon steel is a commonly used material for general – purpose applications. Grades such as 4.8, 8.8, and 10.9 are frequently employed.

Black carbon steel hexagonal flange DIN6921 Class 10.9 hex flange bolts are primarily fabricated from high – quality carbon steel with specific alloying elements added to achieve the 10.9 – class strength requirements.

DIN6921 hex head flange bolts with yellow zinc plating, full teeth, and no serrations, conforming to ISO4162 and GB5787 standards, are mainly crafted from high – strength alloy steel in grades 8.8, 10.9, and 12.9.

Dacromet galvanized Grade 8.8 and 10.9 high – tensile B7 hex head bolts and nuts predominantly utilize high – strength alloy steel as the base material.

DIN933 Ms hex nut bolts are crafted from diverse materials, with carbon steel being a prevalent choice, available in multiple strength grades such as 4.6, 5.8, 8.8, and 12.9.