Harden Allenkey Professional Hand Tool Long Hex Key Wrench 22 Standard Sizes ( 1.5mm - 36.0mm ) Model: 540640 - 540661

Harden Professional Long Hex Key Wrench Set (Model: 540640-540661)

Complete 22-Piece Chrome Vanadium Steel Allen Key Set for Industrial & DIY Use

Product Overview

The Harden Professional Long Hex Key Wrench Set (Models 540640-540661) is a 22-piece metric Allen key collection (1.5mm to 36mm) designed for professional mechanics, engineers, and DIY enthusiasts. Crafted from high-grade Chrome Vanadium Steel (Cr-V), these long-arm hex wrenches provide superior torque, durability, and reach for tight or deep fasteners.

Key Features

✔ 22 Standard Metric Sizes – Full range from 1.5mm to 36mm
✔ Premium Cr-V Steel – Heat-treated for maximum hardness (HRC 48-52) and wear resistance
✔ Long Arm Design – Extra leverage for stubborn fasteners and deep-reach applications
✔ Precision Machined Tips – Exact hex fit prevents fastener stripping
✔ Satin Chrome Finish – Corrosion-resistant for long-term durability
✔ Laser-Etched Markings – Permanent size identification

Available Sizes & Model Numbers

Technical Specifications

• Material: Chrome Vanadium Steel (Cr-V)

• Finish: Satin Chrome Plating

• Arm Length: Long design for extra leverage

• Standards: DIN 911 compliant

• Temperature Range: -20°C to 120°C

Professional Applications

✔ Automotive & Machinery Repair – Engine components, transmission systems
✔ Industrial Equipment – CNC machines, hydraulic systems
✔ Bicycle & Motorcycle Maintenance – Brake systems, handlebar adjustments
✔ Furniture & Appliance Assembly – Flat-pack furniture, electronics
✔ Construction & Metalwork – Structural fasteners, scaffolding

Why Choose Harden Long Hex Keys?

1. Complete Size Range – Covers 1.5mm to 36mm for all standard fasteners.

2. Superior Torque & Reach – Long-arm design for deep or tight spaces.

3. Durable & Rust-Resistant – Hardened Cr-V steel with chrome plating.

4. Professional-Grade Accuracy – Precision-machined tips prevent fastener damage.

Packaging Options

• Individual Wrenches (Select by size)

• Complete 22-Piece Set 

Availability: In stock at Dhakatools.com (Nationwide delivery in Bangladesh).

For Full Specifications:
Harden Official Product Page

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