China manufacturer of Fluoropolymer Coated Ceramic filled metal Primed Coated Stud Bolts

What is Ceramic filled metal Coating?

Ceramic filled metal coating also known as Ceramic Filled Fluorocarbon Coating.

A ceramic-metallic coating that resists oxidation at high temperatures and has long-term resistance to salt fog, it can also be used as a standalone coating or as a sacrificial primer

The base coat applied a Ceramic coating,utilizes an extremely hard ceramic matrix alloy know as xylar 2 ,which provides exceptional corrosion and abrasion resistance to the fastener. The fluropolymer PTFE xylan topcoat is designed to ensure that the threads remain permanently dry-lubricated, making torqueing up easier and preventing subsequent corrosion seizure.

Xylar 2 is a high-performance coating primarily designed for protecting metal surfaces against corrosion, oxidation, and wear. It is a blend of ceramic and aluminum particles in a resin binder, offering advanced protection, particularly in extreme environments.

Ceramic filled fasteners used for highly corrosive and marine environments ensure complete protection against corrosion.

What is Fluoropolymer Coatings?

This coating is the perfect blend of high performance resins and fluoropolymer lubricants. The presence of the most electro-negative element and the most reactive non- metal, fluorine has added important properties to the coating. As the atomic radius of Fluorine’s is smallest next to hydrogen, so it is able to form extremely strong bonds with other elements. When reacted with carbon in fluoropolymer, the extremely strong, tight bond produces an extraordinary combination of properties.

These thin coated films provide excellent corrosion, abrasion, electrical and chemical resistance as well as help to reduce friction, resistant to galling, non stick and non wetting. Fluoropolymer coatings are applied to fasteners and various OEM components to provide a longer life before replacement.


Our Ceramic Coating xylar 2 + PTFE Xylan coated stud bolt includes ASTM A193 Grade B7, B7M, L7, L7M Studbolts, Heavy Hexagon Bolts, Nuts and Washers in a complete range of Imperial or Metric diameter of any standard length.

Xylar 2 + xylan 1070 coated stud bolt ASTM 193 B7

Ceramic Coating xylar 2 + PTFE Xylan 1070 coated stud bolt ASTM A193 B7M

Ceramic Coating xylar 2 + PTFE Xylan 1070 coated stud bolt ASTM B16

  1. Customised Coating Systems
    • Zinc + Fluorocarbon / PTFE
    • Cadmium + Fluorocarbon /PTFE
    • Zinc Nickel + Fluorocarbon /PTFE
    • Zinc Plating + Xylan 1424 Blue
    • Xylar 2 + Xylan 1070 Blue

Stud Bolts Sizes

Metric Sizes M6 to M100
Inch Sizes ¼” to 4″
Metric Threads ISO, ASME
Imperial Threads ASME, BSW, BSF
Thread Standards ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643

Stud Bolts Standards

Fastener Dimensional Standards
Product DIN ISO ASME UNI BS
Imperial Metric Imperial Metric
Stud Bolts DIN 976 ASME B18.31.2 ASME B18.31.1M UNI 6610 BS 4882 BS 4882

FULLY THREADED STUD BOLT Xylan Fluoropolymer Coated Xylar Ceramic filled metal Primed Coated 

TYPE OF THREAD: UNC, 8 TPI
TYPE, NUT: HEAVY HEXOGONAL 
DESIGN SPEC, NUT: ASME / ANSI B18.2.2 HEX NUTS
DESIGN SPEC, STUD BOLT: ASME / ANSI B18.2.1 STUD BOLT
DESIGN SPEC, THREAD: ANSI B1.1
THREAD CLASS SYMBOL, NUT: 2B
THREAD CLASS SYMBOL, STUD BOLT: 2A