Bolts

Bolts for industrial service, fabrication support, and specification-led supply.

Kaizen supplies bolts across project-relevant material grades with focus on dimensional control, documentation, and dependable dispatch support.

Bolts to washers Bolts Pressure joint hardware
Material Standards

Bolts grades and material coverage.

Open the relevant material family to review standards, common grades, and product-fit notes used for this category.

Carbon & Alloy Steel

  • Standards: ASTM A193 / A194 / A320 and related engineering fastener grades
  • Material Coverage: Carbon, low temperature, and alloy steel fasteners
  • Use Focus: Pressure joints, structural fastening, and industrial assembly
  • Grade Examples: B7, B7M, L7, 2H and related matching grades

Stainless & Duplex

  • Standards: ASTM F593 / F594 and project-approved stainless or duplex routes
  • Material Coverage: Stainless and duplex fastener supply for corrosion resistance
  • Use Focus: Marine, process, and corrosive service joints
  • Grade Examples: B8, B8M and equivalent corrosion-resistant options

Nickel Alloys

  • Grades: Inconel, Monel, Hastelloy and selected severe-service fastener materials
  • Material Coverage: Nickel alloy fasteners for aggressive and high-temperature applications
  • Use Focus: Chemical, offshore, and high-temperature bolting
  • Execution: Thread form and coating remain subject to order scope

Supply Notes

  • Forms: Hex bolts, socket bolts, stud bolts, nuts, washers and custom fastener items
  • Size Review: Diameter, thread pitch, and length are aligned to assembly need
  • Finish: Black, zinc coated, PTFE coated, hot dip or project-specified condition
  • Documents: MTC and traceability are reviewed before release
Material Overview

Bolts supply with compact technical detail.

Bolts is supplied for applications where service condition, dimensional fit, and project documentation need to remain aligned to the approved technical scope.

  • Material family is reviewed against service condition and fabrication route.
  • Dimensional requirement is aligned to installation, assembly, and project class.
  • Inspection, marking, and documentation are checked before release.
  • Supply condition remains subject to order-specific requirement and material route.
Product Split

Primary bolts supply scope.

  • Bolts standard supply route
  • Bolts material options
  • Bolts size and class review
  • Bolts documentation and inspection
  • Bolts application-based execution

Dimensional capability

Parameter Typical Range Notes
DiameterM6 to M100 / 1/4 in to 4 inDepends on fastener type and material
LengthStandard and cut length stud supplyAligned to flange and assembly requirement
ThreadMetric and UNC / UNF / BSW where applicableSelected as per application standard
FinishBlack, coated, plated, PTFE and project finishDepends on corrosion and assembly requirement
Inspection

Inspection and testing scope.

  • Visual and dimensional inspection
  • PMI and NDT where specified
  • Marking and traceability review
  • Material certification check
Documentation

Documents reviewed before dispatch.

  • Mill test certificates
  • Inspection and test records as applicable
  • Dimensional review and dispatch documents
  • Traceability and packing support

Joint Integrity

Fasteners are selected around flange rating, gasket load, corrosion exposure, and maintenance practicality.

Material Pairing

Fastener material is reviewed against flange or component material and service environment.

Applications

Used in process plants, equipment joints, fabricated structures, OEM assemblies, and maintenance shutdown work.

RFQ Path

Share size, material, quantity, and inspection scope for bolts.

Our team reviews product form, material grade, dimensional requirement, testing scope, and delivery schedule before issuing the technical offer.

Submit Specification