FLEX FX1271T-2B

FLEX 24V Brushless Cordless 1/2-Inch Hammer Drill Turbo Mode Kit (FX1271T-2B) Instruction Manual

Model: FX1271T-2B

1. Introduction

This manual provides instructions for the safe operation, maintenance, and troubleshooting of your FLEX 24V Brushless Cordless 1/2-Inch Hammer Drill Turbo Mode Kit, model FX1271T-2B. Please read this manual thoroughly before using the tool to ensure proper and safe operation.

The FLEX FX1271T-2B is a powerful 24V brushless cordless hammer drill designed for demanding drilling and driving applications. It features a 1/2-inch full-metal ratcheting chuck, two-speed settings, a Turbo Mode for increased speed, and an anti-kickback safety feature. This kit includes the drill, a 2.5Ah Lithium-Ion Battery, a 5.0Ah Lithium-Ion Battery, and a 160W Fast Charger.

FLEX 24V Brushless Cordless 1/2-Inch Hammer Drill Kit with two batteries and charger

Figure 1: FLEX 24V Brushless Cordless 1/2-Inch Hammer Drill Kit (FX1271T-2B) including drill, two batteries, charger, and carrying case.

2. General Safety Instructions

WARNING: Read all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.

2.1 Work Area Safety

2.2 Electrical Safety

2.3 Personal Safety

2.4 Tool Use and Care

2.5 Battery Tool Use and Care

3. Components Included

Your FLEX 24V Brushless Cordless 1/2-Inch Hammer Drill Kit (FX1271T-2B) includes the following items:

FLEX 24V 2.5Ah and 5.0Ah Lithium-Ion Batteries

Figure 2: The FLEX Advantage highlights the included 2.5Ah and 5.0Ah Lithium-Ion batteries, emphasizing their power, runtime, and fast charging capabilities.

4. Setup and Initial Use

4.1 Charging the Battery

  1. Connect the 160W Fast Charger to a standard power outlet.
  2. Slide the battery pack onto the charger until it clicks into place.
  3. The charger's indicator lights will show the charging status. A fully charged battery will be indicated by a solid green light.
  4. Once fully charged, remove the battery from the charger.

4.2 Installing the Battery

  1. Align the battery pack with the battery port on the base of the drill handle.
  2. Slide the battery into the port until it locks securely into place. Ensure it is fully seated to prevent accidental dislodgement during operation.
  3. To remove the battery, press the release button(s) on the sides of the battery pack and slide it out.

4.3 Attaching the Auxiliary Handle

For improved control and safety, especially during high-torque applications or hammer drilling, attach the auxiliary handle.

  1. Loosen the auxiliary handle clamp by rotating it counter-clockwise.
  2. Slide the handle over the front of the drill body, positioning it to your preferred angle.
  3. Tighten the clamp by rotating it clockwise until the handle is securely fastened.
FLEX Hammer Drill with auxiliary handle attached, demonstrating anti-kickback feature

Figure 3: The drill with the auxiliary handle attached, providing enhanced control and stability, particularly when the anti-kickback feature engages.

4.4 Installing Drill Bits or Accessories

  1. Ensure the drill is off and the battery is removed for safety.
  2. Grip the rear collar of the 1/2-inch full-metal ratcheting chuck and rotate the front collar counter-clockwise to open the chuck jaws.
  3. Insert the drill bit or accessory fully into the chuck jaws.
  4. Rotate the front collar clockwise to tighten the chuck jaws firmly around the bit. The ratcheting mechanism will provide an audible click when securely tightened.
  5. Gently pull on the bit to ensure it is properly secured.
Close-up of FLEX drill's 1/2-inch full-metal ratcheting chuck with a drill bit inserted

Figure 4: Detail of the 1/2-inch full-metal ratcheting chuck, designed for secure bit retention and durability.

5. Operating Instructions

5.1 Powering On/Off and Speed Control

5.2 Gear Selection (2-Speed)

The drill features a 2-speed gearbox for optimal performance across various applications.

NOTE: Always ensure the drill is stopped before changing gear settings to prevent damage to the gearbox.

5.3 Mode Selection (Drill, Drive, Hammer Drill)

Rotate the collar behind the chuck to select the desired operating mode:

5.4 Turbo Mode

The Turbo Mode button, located on top of the drill, provides an immediate increase in speed for faster results when needed.

Close-up of the FLEX drill's Turbo Mode button and LED light

Figure 5: The Turbo Mode button, when pressed, provides increased speed for rapid task completion.

5.5 Anti-Kickback Feature

The drill is equipped with an advanced anti-kickback braking technology. If the drill bit binds during operation, the system will detect the sudden rotational force and rapidly stop the motor to reduce the risk of kickback and potential injury.

5.6 Integrated LED Light

An LED light is integrated into the drill to illuminate the work area, improving visibility in dimly lit conditions. The light activates when the trigger is pressed.

Close-up of the FLEX drill's bright LED light illuminating the work area

Figure 6: The integrated LED light provides illumination for improved visibility in dark work environments.

5.7 Drilling into Masonry (Hammer Drill Mode)

When drilling into masonry, brick, or concrete:

  1. Select Hammer Drill Mode.
  2. Ensure the auxiliary handle is securely attached and held firmly with both hands.
  3. Use appropriate masonry drill bits.
  4. Apply steady, firm pressure to the drill, allowing the hammering action to break up the material.
Person using FLEX hammer drill to drill into a brick wall, demonstrating high torque

Figure 7: The FLEX hammer drill in action, demonstrating its capability to drill into tough materials with 1,400 in-lbs of torque.

6. Maintenance

6.1 Cleaning

6.2 Storage

7. Troubleshooting

ProblemPossible CauseSolution
Drill does not start.Battery not charged or improperly installed.
Forward/Reverse selector in center (locked) position.
Charge battery and ensure it is securely installed.
Move selector to forward or reverse position.
Loss of power during operation.Battery charge is low.
Overload protection activated.
Recharge the battery.
Reduce pressure on the tool; allow it to cool down.
Bit slips in chuck.Chuck not tightened sufficiently.
Chuck jaws are dirty or worn.
Retighten chuck firmly.
Clean chuck jaws. If problem persists, chuck may need replacement.
Excessive vibration or noise.Damaged or bent drill bit.
Loose components.
Replace drill bit.
Check for loose screws or parts. If problem persists, discontinue use and contact service.

8. Specifications

FeatureDetail
Model NumberFX1271T-2B
Voltage24 Volts
Chuck Size1/2-Inch
Chuck TypeFull-Metal Ratcheting
Maximum Torque1400 Inch Pounds
Maximum Rotational Speed2500 RPM
Number of Speeds2
Battery Capacity (Included)2.5 Ah, 5.0 Ah Lithium-Ion
Charger Type (Included)160W Fast Charger
Special FeaturesTurbo Mode, Anti-Kickback, LED Light, Brushless Motor
Item Weight15.37 pounds (Kit)
Product Dimensions7.2"L x 4"W x 10"H (Tool)
Drilling Capacity (Wood)2 Inches
Drilling Capacity (Metal)2 Inches

9. Warranty and Support

9.1 FLEX Limited Lifetime Warranty

This FLEX tool is protected by the FLEX Limited Lifetime Warranty. To qualify for this warranty, you must register your new FLEX tool, battery, or charger within 30 days of purchase through December 31, 2025. Registration can be completed at registermyFLEX.com.

Please refer to the official FLEX website or your product packaging for full terms and conditions of the warranty.

9.2 Customer Support

For technical assistance, replacement parts, or warranty claims, please contact FLEX customer support. Contact information can typically be found on the FLEX official website or on your product packaging.

When contacting support, please have your model number (FX1271T-2B) and purchase date available.

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