Description
What is an Extra Long Hex Key Set used for?
A hex-key set (commonly known as an Allen-key or L-wrench) is the universal standard for driving internal hexagonal socket bolts. The extra-long design of this Amtech set serves two vital purposes: the increased length acts as a lever to provide significantly more torque for loosening seized bolts, and the extended reach allows technicians to bypass obstructions in complex machinery or automotive engines.
Versatile Ball-End Technology
One of the standout features of this Amtech kit is the ball-end machining on the long arm. Standard hex-keys must be inserted perfectly straight; however, these keys can be used at up to a 25-degree angle. This is a lifesaver when working on modern HVAC units or heat pump control panels where pipework or wires might block a direct line of sight to the bolt head.
Comprehensive Metric Range
This 9-piece set covers the most common metric sizes used in the UK, ranging from the delicate 1.5mm up to the heavy-duty 10mm. At ECO HEAT SHOP, we know that professional tools must stay organized. This set comes housed in a high-visibility, hinged storage caddy that keeps your Allen-key collection secure in your tool bag and allows for instant size identification.
Essential for Heating and Mechanical Trades
In the world of eco-heating, precision is everything. From securing pump housings to adjusting manifold brackets, these hex-keys provide the reliability required for high-spec installations. The shortened “L” arm features a standard flat hex end for maximum surface contact when you need to apply final tightening pressure without the risk of slipping.
Technical Specifications
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Sizes Included: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm
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Tip Type: Ball-End (Long Arm) & Flat-Hex (Short Arm)
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Material: Heat-Treated Carbon Steel
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Format: Extra-Long Offset L-Wrench
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Brand: Amtech Professional
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