HIRAM INTERNATIONAL COMPANY LIMITED operates an institutional supply and distribution desk delivering precision-machined mechanical fasteners, structural bolts, and workshop calibration tooling. Headquartered in Hong Kong, we coordinate certified B2B procurement pipelines conforming to ISO, DIN, and ASME specifications for industrial machinery, aerospace assembly, and marine engineering contractors. Our digital infrastructure powers automated torque calibration, thread geometry resolution, and containerized freight payload calculation for cross-border trade partners.
STANDARDS
ISO 898-1 / 3506
Classes 8.8, 10.9, 12.9 & A4-80
INVENTORY
18,400+ SKU
Structural Bolts & Hex Fasteners
TOLERANCE
±0.002 mm
Optical Gauge Verification
STAGING
48-Hr Staging
Consolidated HK Port Dispatch
Proprietary Engineering Suite
Internal Mechanical Software Utilities
Direct access to HIRAM's proprietary engineering engines for fastener torque preload calculation, thread pitch geometry mapping, high-density freight balance, and landed tariff reconciliation.
Computes recommended tightening torque in N·m / ft-lb and proof-load elongation per ISO 898-1 carbon and alloy steel property classes under lubricated friction conditions.
Simulated Parameter Ledger
Nominal Fastener:
M16 × 2.0 (Grade 10.9)
Friction Coeff (μ):
0.12 (Zinc-Flake Coated)
Tensile Stress Area:
157.0 mm²
Yield Clamp Preload:
102.6 kN
Recommended Torque:
275 N·m (202.8 ft-lb)
ENGINE // READY (ISO 898-1)
HICL-MET-102ISO 965-1 / ASME B1.1
Workshop Metric & Imperial Thread Pitch Resolver
Resolves pitch diameters, tap drill clearances, and tolerance classes comparing ISO Metric Coarse profiles against Unified National UNC/UNF standard specifications.
Simulated Parameter Ledger
Thread Standard:
ISO Metric M12 × 1.75 6g/6H
Major Diameter (d):
11.966 mm (0.471 in)
Pitch Diameter (d2):
10.863 mm (0.428 in)
Minor Diameter (d1):
9.853 mm (0.388 in)
Recommended Tap Drill:
10.20 mm (77% Engagement)
GEOMETRY // RESOLVED (6g/6H)
HICL-CRV-103ISO 6780 / IMO CSS
Heavy Hardware Pallet Stowing & Center-of-Mass Optimizer
Simulates volumetric packing density, center-of-gravity stabilization, and maritime lash load distribution for high-density fastener kegs, drums, and master shipping cartons.
Calculates duty tariffs across WCO Chapter 73/82, sea-freight bunker surcharges, and forward currency hedging across USD, HKD, and EUR for containerized wholesale lots.
Simulated Parameter Ledger
Consignment FOB Value:
$48,500.00 USD
Harmonized HS Code:
7318.15 (Threaded Screws)
Currency Peg Basis:
7.820 HKD / USD
Freight & Bunker Adjustment:
$2,180.00 USD
Hedged Net Margin:
18.6% Net Realized
MARGIN // LOCKED (18.6% NET)
Enterprise Procurement Operations
Operational Capabilities & Hardware Staging
End-to-end B2B supply logistics connecting accredited industrial hardware manufacturers with regional engineering contractors and commercial assembly plants.
CAPABILITY // 01
Heavy Precision Fastener Staging & Inventory Reserve
Bulk warehousing of ISO 898-1 high-tensile structural bolts, stainless A2-70/A4-80 fasteners, and custom cold-headed studs.
Mill test certification (EN 10204 Type 3.1) accompanying every manufactured production batch with full chemical heat traceability.
Automated optical sorting for zero-defect verification across thread concentricity, head perpendicularity, and plating thickness.
Specialized anti-corrosion barrier coatings: hot-dip galvanizing (ISO 10684), zinc-nickel plating, and mechanical sherardizing.