Top 9 Refrigeration Wrench Allen Key Tool – Hex Keys

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1. Hilmor


1839046, Hilmor Service Hex Key Adapter for Straight Service Ratcheting Wrench

Hilmor #ad - Fitment: compatible with 3/16” and 5/16” hex valves HVAC Valve Opener. Professional quality: hilmor AC Service Wrench Hex Key Adaptor made in the USA. Ratchet wrench attachment: pair with the Hilmor Straight Service Ratcheting Wrench when accessing hard to reach liquid and suction-based valves. Durable construction: Engineered to last with high grade steel alloy, heat-treated for maximum strength. Product dimensions: length: 04", width: 04", height: 2. 1", weight: 01 lbs.
BrandHilmor #ad
ManufacturerHIMQ0 #ad
Height1 Inches
Length1 Inches
Width1 Inches
Part Number1839046

2. Hilmor


HVAC Ratchet Wrench, Hilmor 1839043 Offset Service Wrench, 1/4" x 3/16" Square, 3/8" x 5/16" Square

Hilmor #ad - Compatibility: square openings compatible to 1/4", 3/16", 3/8", and 5/16". Easy to use: readable markings on each end of the handle makes identification of proper size quick and easy. Compact: the smart and sleek design makes maneuvering around cramped spaces effortless. Included: wrench and Hex Key Adaptor. Attach the hex key adapter to adjust 2/16" and 5/16" hex valves.
BrandHilmor #ad
ManufacturerHIMQ0 #ad
Height9 Inches
Length5.25 Inches
Weight0.25 Pounds
Width0.75 Inches
Part Number1839043

3. raddar


Best for HVAC Service. Smooth Ratcheting Action and Strong Gear. 4 Different Sizes, Refrigeration Ratchet Wrench, 1/4" x 3/16" Square x 3/8" x 5/16" Square.

raddar #ad - You get a ratcheting refrigeration wrench that has multi-sized openings. Also for use on acetylene tank valves as this acetylene wrench opens and closes bottles effortlessly. This service wrench works well on air conditioners. Ratcheting valve wrench is designed for working on refrigeration units and freezers. This square ratchet wrench replaces several tools as it smoothly tightens and loosens beam clamps.
Brandraddar #ad
Manufacturerraddar #ad
Height0.5 Inches
Length5.4 Inches
Weight0.25 Pounds
Width0.8 Inches
Part NumberIN-AT03

4. Mudder


Mudder Ratchet Wrench Air Conditioner Ratcheting Service Wrench 3/16 Inch to 3/8 Inch with Hexagon Bit Adapter Kit for Refrigeration Equipment, Equipment Repair

Mudder #ad - And 1/4 inch and 3/8 inch sq. Practical design of the wrench and the ease of use are well suited to work comfortably everywhere. Ratchet wrench with adapter: ruggedly built with smooth edges for comfort, more durable and corrosion resistant.

Easy and convenient ratchet wrench set: ratchet wrench can be easily applied, saves more effort and time, an essential tool for equipment installation. Packing list: 1 x air conditioning ratchet wrench, 1 x hexagon bit adapter, good combination to meet your daily need. Specification: length: 5-1/2 inch, socket sizes: 3/16 inch to 5/16 inch sq. Equipment ratcheting service tool: designed for repair use, compatible with air condition, refrigeration and other equipments needing repair and fixing; Compatible with opening and closing compressor service valves, rotalock valves and shutoff valves.
BrandMudder #ad
ManufacturerMudder #ad

5. Uniweld


Uniweld 70074 Reversible Offset Ratchet Wrench with DHVA Dual Hex Wrench Adapter

Uniweld #ad - Square openings ¼” and 3/16” at one end; 3/8” and 5/16” at the other. Dhva dual hex adaptor fits deep inside and fully engages the 3/16” and 5/16” hex liquid and suction valves. Double ended reversible ratchet wrench with offset design for knuckle clearance in tight work areas. Chrome plated, heat treated alloy steel construction with strong gear teeth and easy-flip reversing mechanism. Included uniweld’s dhva dual hex wrench adaptor for use on 3/16” and 5/16” hex liquid and suction valves on residential and commercial equipment.
BrandUniweld #ad
ManufacturerUniweld #ad
Height0.5 Inches
Length5.38 Inches
Weight0.15 Pounds
Width0.88 Inches
Part Number70074

6. Kings County Tools


Kings County Tools Ratcheting Allen Wrench Hex Key Set | Imperial Option | 360-Degree Rotating Handle | 9 Sizes Included | Compact and Foldable Design | Rugged Handle

Kings County Tools #ad - Well designed tool - perfect fit for bolts and screw heads as it goes into tight spaces where a traditional Allen key cannot provide any effective torque.

Save your wrists - have the right size always available in a fold-out, with a 360-degree rotating handle, multi-angle design and you’ll never lose wrenches again! Time-saving action - left/right ratcheting, speeds your work and allows for flexibility in hand motion. 9 sizes included - the set comes in 9 imperial sizes 5/64” to 1/4”, in a compact foldable design, and features a rugged, yet comfortable handle. Amazing versatility - portable for both home use and outdoor applications is great for assembling furniture, tightening door handles, machine repair/ adjustment, or repairing your motorcycle/ bike.
BrandKings County Tools #ad
ManufacturerKings County Tools #ad
Part Number19B03.01



Ratchet Wrench Hexagon Bit Adapter Kit, HVAC Valve Opener for Air Conditioning Refrigeration Equipment Repair, ANCIRS 2 Pack 3/16 to 5/16 Service Wrench Hex Key Adapter

ANCIRS #ad - Fitment: this hexagon bit adapter kit is compatible with 3/16” and 5/16” hex valves HVAC Valve opener and AC service wrench. 100% satisfaction guaranteed: Please contact us if you have anything concerned after use, we will make it right for you. Premium alloy material: this hex key adapter is made of high quality steel alloy material, heat-resistant, anti-corrosion and durable for long time use. Package include: 2 pack 3/16 to 5/16 Service Wrench Hex Key Adapter. Dimensions: length: 04", width: 04", height: 2. 0", weight: 01 lbs.
BrandANCIRS #ad
ManufacturerANCIRS #ad



Ratchet Wrench WADEO Ratcheting Service Wrench 3/8” to 1/4” with Hex Bit Adapter for Air Conditioning, Refrigeration Equipment, Equipment Repair

WADEO #ad - The straightness of the wrench and the ease of use are well suited to work comfortably everywhere. Flat anti-skidding refrigeration wrench, allowing maximum leverage, suitable for daily work and household maintenance.

Industrial grade: forged from high quality chromium, high polished, stronger, more durable and corrosion resistant. Wrench and adapter size: wrench size: 3/16 inches, 5/16 inches, 1/4 inches and 3/8 inches; Adapter size: 3/16 inches and 5/16 inches. Compact and simple design: wrenches are compact in size, with clearly marked sockets for four nut sizes. Wrenches are ruggedly built with smooth edges for comfort. Precision design: perfectly sized lengthwise, and the width of the handle is great. Double ended reversible ratchet wrench: Quick-flip reversing lever permits instant ratchet reversal.
BrandWADEO #ad
ManufacturerWADEO #ad
Part NumberIT0238+IT0239

9. Klein Tools


HVAC&R, Klein Tools 86939 Hex Adapter for 1/4-Inch Square to 3/16 and 5/16-Inch Hex for Refrigeration Wrench

Klein Tools #ad - Adapter fits 1/4-Inch square wrench opening. Fits with klein refrigeration Wrenches 86938 and 68310 for easy ratcheting action. Hex key provides access to 3/16-Inch and 5/16-Inch hard to reach valves. Spring loaded ball bearing locks securely into wrench. Perfect for heating, AC, and refrigeration applications.
BrandKlein Tools #ad
ManufacturerKlein Tools #ad
Height0.24 Inches
Length2.12 Inches
Weight0.04 Pounds
Width0.36 Inches
Part Number86939
Warranty1 Year Manufacturer