





High Tensile Fasteners
Krishlock’s high tensile fasteners are precision-manufactured for mission-critical applications in infrastructure, automotive, rail, steel, and petrochemical sectors. Every fastener is designed and produced to meet demanding standards—IS, ISO, DIN, JIS, BS, ASTM—using high-grade alloys with strict quality control, ensuring consistent performance and structural integrity.
Features & Benefits
-
Manufactured from premium grades: EN18, EN19, EN8D, 4140 and many more
-
Cold-forged and heat-treated to grades 8.8, 10.9, and 12.9 for superior mechanical properties
-
Size range: M12 to M100, lengths 16mm to 100mm+
-
Coatings: Zinc, phosphate, hot-dip galvanized (min. 45 micron thickness)
-
100% traceability, test certification, and quality checks at all stages (raw material, machining, threading, finishing)
-
Available in various head types (hex, heavy hex) and washer/nut combinations
Applications
Our high tensile fasteners are trusted in:
-
Major bridges, metro, and rail infrastructure
-
Power plants, petrochemical projects, and heavy fabrication
-
Construction of steel buildings, industrial plants, renewable energy projects
-
Automotive applications
Quality & Traceability
-
ISO 9001:2015 certified, with all lots tested at NABL-accredited labs for mechanical and chemical properties
-
Proprietary KLOC branded processes for consistent quality and reliability