GearWrench Hex Key Set 83503 13 Piece 1.5mm to 10mm Long Arm Metric Allen Wrench Kit (Alloy Steel Chamfered Tips L Shaped Caddy Machine Bolting)

In stock
SKU: 83503
Regular price $7.99 USD
Regular price $11.98 USD Sale Sale price $7.99 USD

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GearWrench 83503 13-Piece Metric Long Arm L-Shaped Hex Key Set

The GearWrench 83503 13-piece metric long arm hex key set tightens, adjusts, and breaks loose recessed internal hex socket fasteners across a continuous size range from 1.5mm to 10mm. Drop-forged from premium heat-treated alloy steel to resist rotational twisting and structural fatigue, each L-shaped Allen wrench features an extended long arm for reaching deep-set bolts and a short arm designed for maximum manual leverage. Outfitted with precision CNC-machined chamfered tips on both ends for effortless burr-free entry, high-contrast size markings, full ASME compliance, and a durable locking plastic caddy, it equips automotive technicians, industrial machinery mechanics, and equipment maintenance specialists with dependable fastener engagement and rapid tool organization.

Best Used For:

  • Automotive Engine Bay and Drivetrain Maintenance: Accessing recessed metric hex bolts, intake manifold hardware, throttle body assemblies, and brake caliper slide pins in tight clearance envelopes.
  • Industrial Machinery and Factory Equipment Setup: Fastening motor mounts, conveyor brackets, automation guides, and pneumatic valve blocks requiring precise rotational torque.
  • Precision Commercial Assembly and MRO Tasks: Adjusting hydraulic fittings, machine tool fixtures, and structural sub-assemblies without stripping internal socket corners.

Key Performance & Safety Features

  • High-Strength Alloy Steel Construction: Premium drop-forged metallurgy delivers maximum torsional resistance to prevent twisting under severe breakout torque.
  • Extended Long Arm Architecture: Provides extended reach into recessed fastener pockets and deep cavities where standard length keys cannot fit.
  • Precision Chamfered Edge Profiles: Dual-ended chamfered tips guide the wrench smoothly into fastener recesses to eliminate binding and prevent stripped hardware.
  • Dual-End L-Pattern Functionality: Short arm delivers maximum turning leverage for stubborn bolts, while the long arm provides fast speed on free-spinning hardware.
  • Comprehensive 13-Piece Metric Range: Complete metric assortment spanning 1.5mm through 10mm covers standard and fractional millimeter hardware without missing sizes.
  • Locking Molded Storage Caddy: Heavy-duty labeled holder secures every wrench in sequence for instant visual inventory control and convenient tool chest storage.

What's Included

  • (13) Metric Long Arm Hex Keys: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm
  • (1) High-Impact Molded Plastic Storage Caddy

Technical Specifications

Manufacturer Brand GearWrench (Apex Tool Group)
Model Part Number 83503
Total Set Piece Count 13 Pieces (13 Hex Keys + 1 Storage Caddy)
Measurement Standard Metric (Millimeter Standard)
Hex Key Pattern Format L-Shaped Long Arm Configuration
Metric Size Range 0.059 in. (1.50 mm) Minimum to 0.394 in. (10.00 mm) Maximum
Maximum Overall Tool Length 7.00 Inches (177.80 mm)
Material Composition Heat-Treated High-Strength Alloy Tool Steel
Tip Finish & Machining Precision CNC-Machined Chamfered Dual Ends
Included Storage System High-Impact Molded Plastic Organizer Caddy
Industry Standard Compliance Meets or Exceeds ASME B18.3 Performance Specifications
Total Net Set Weight 0.88 lbs (14.08 oz / 0.40 kg)
Universal Product Code (UPC) 099575835032
Suitable for material type Metric Socket Head Cap Screws, Set Screws, & Alloy Fasteners

Pro-Tip: Always insert the chamfered hex tip straight and fully to the bottom of the fastener socket before applying rotational force; full depth engagement distributes torque evenly across all six internal flats and prevents rounding the corners of small-diameter fasteners.