Brand : FORCEKRAFT
FORCEKRAFT ½″ Drive Air Impact Wrench – Twin Hammer, 7500 RPM, 610 Nm (450 ft-lb) Torque (FK‑AP7451)
SKU : TI-FD-45835
MRP : ₹4500
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Short Description
FORCEKRAFT ½″ Drive Air Impact Wrench
Twin Hammer
7500 RPM
Country of origin: Russian Federation
Specification
  • Brand: FORCEKRAFT
  • Weight (Approx.) : 2.4 kg
  • No-Load Speed : 7500 rpm
  • Square Drive Size : 0.5
  • Air Pressure : 6.3 bar
  • Max. Torque : 610 nm
  • Model : FK‑AP7451
  • Drive Size : ½″ (12.7 mm) square drive
  • Free Speed (no-load) : 7,500 RPM 
  • Working Torque : ~610 Nm / ~450 ft-lb 
  • Air Inlet : ¼″ NPT (or equivalent) 
  • Air Consumption : ~6.5 CFM (≈ 183.9 L/min) 
  • Material / Mechanism : Twin hammer, heat-treated internal components 
  • Construction Features : Composite / lightweight body, durable bearings, lubrication port 
  • Durability Tests : Drop-tested from ~1 meter height

Description
The FORCEKRAFT FK‑AP7451 Air Impact Wrench is a heavy-duty pneumatic tool designed for professionals and serious DIYers who need reliable, high-torque performance. With a ½″ drive, twin hammer mechanism, and up to 610 Nm working torque, it handles tasks that would be extremely difficult with manual tools alone.

Features

 :
  • ½″ square drive : Compatible with standard ½″ impact sockets and accessories
  • Twin hammer / double hammer mechanism : Delivers smooth, high torque output with lower vibration
  • High free speed: 7,500 RPM : Fast operation and quick tightening / loosening
  • Working torque approx. 610 Nm (≈ 450 ft-lb) : Powerful enough for automotive, industrial use
  • Lightweight composite / ergonomic body : Easier handling, less fatigue during extended use
  • Durable construction – heat-treated rotor, shaft, impact parts : Longer life under heavy loads
  • Built-in forward / reverse control : Easy direction switching for tightening and loosening
  • Oil / lubrication port / bushing : Helps in prolonging life by reducing wear
  • Drop-tested ruggedness : Withstands rough workshop conditions
  • 3–5 seconds to reach maximum torque : Efficient performance in demanding tasks

Applications

 :
  • Automotive / Car Repair : Removing or installing wheel lug nuts, suspension bolts, engine mount bolts, exhaust fittings
  • Tire & Wheel Shops : Fast wheel changes, alignment work
  • Industrial / Heavy Machinery Maintenance : Servicing large bolts, chasis maintenance, assembly/disassembly of machine parts
  • Agricultural Equipment Repair : Tractors, implements, heavy attachment maintenance
  • Construction Equipment : Bolting structural components, scaffolding, machinery
  • Service Vans / Mobile Workshops : On‑site jobs where portability and power are needed
  • DIY / Home Garage Use : For serious hobbyists who work on vehicles, bikes, small tractors, etc.

Usage

 :
User Instructions :

1. Check the Air Supply

  • Use an air compressor rated for at least 6.3 bar (90 psi) and 6.5 CFM (183+ L/min).
  • Ensure your air hose is :
  • In good condition
  • Properly connected
  • Of appropriate diameter (typically 3/8″ or 1/2″)

Tip : Use a water trap and air filter to protect the tool from moisture and debris.

2. Lubricate the Tool

  • Add a few drops of pneumatic tool oil into the air inlet before each use.
  • If you have an inline oiler, make sure it’s filled.
Lack of lubrication will reduce performance and wear out internal parts faster.

3. Connect to Air Supply

  • Attach the air hose securely to the wrench’s ¼″ NPT air inlet.
  • Ensure no leaks or loose fittings.
4. Select the Right Socket

  • Only use impact-rated sockets (black finish, heavy wall).
  • Match the socket size to the fastener (e.g., 17 mm for lug nuts).
  • Attach it securely to the 1/2" square drive.
Never use chrome sockets — they can shatter under impact.

5. Set Direction (Forward / Reverse)

  • Use the directional switch on the tool:
  • Forward: Tightening
  • Reverse: Loosening
  • Some models have a power adjustment knob — set it appropriately.
6. Use the Tool

  • Place the socket squarely over the nut or bolt.
  • Squeeze the trigger gently and gradually increase pressure.
  • Let the tool hammer briefly to break loose stuck fasteners.

The twin-hammer mechanism delivers powerful torque in short bursts — don’t force it.

7. Tighten with Care

  • For tightening, don’t rely only on the impact wrench.
  • Use a torque wrench afterward for precise torque (especially on wheels).

Over-tightening can damage threads, wheels, or bolts.

8. After Use

  • Disconnect the air supply.
  • Add a few drops of oil again for storage.
  • Wipe clean and store in a dry place.

Maintenance :

DAILY / AFTER EACH USE

1. Lubricate the Air Motor :

  • Add 2–4 drops of pneumatic tool oil into the air inlet.
  • Run the tool for a few seconds to distribute oil through internal components.
This prevents internal rust, reduces friction, and extends the motor’s life.

2. Wipe Down the Tool :

Clean the exterior with a dry cloth to remove:
  • Dust
  • Grease
  • Metal shavings or dirt

  • Keep air vents and trigger clean.

3. Check for Air Leaks

  • Inspect hose connections and tool fittings for leaks.
  • Replace damaged O-rings or connectors as needed.
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