RAYCHIN LIMITED, we are materials experts who focus only on fasteners made from the highest performance specialty metals for the most challenging and extreme applications.

• Stainless Steel Series: Martensitic Stainless Steel, Ferritic Stainless Steel, Austenitic Stainless Steel, Austenitic-Ferritic (Duplex) Stainless Steel and Precipitation Hardening Stainless Steel.

• Super Alloys Series: Nickel-based Alloy, Cobalt-based Alloy, Iron-based Alloy, Molybdenum-based Alloy, ‌Titanium-based Alloy, Copper based Alloy, ‌Zirconium Alloy.

• Alloy Steel Series: Low Alloy Steel, Medium Alloy Steel, High Alloy Steel, Special Alloy Steel.

The Hex Differences

Hex Head Bolt

•  Appropriate for when mechanical properties are more important than dimensional tolerances.

•  Hex bolts have a flat end and lack the washer face under the head.

Hex Head Cap Screw

•  Precise applications where tight tolerances on the body dimensions are required.

•  Features flat washer facing under the bolt head.

•  Also called a finished hex bolt.