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KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool
KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool
KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool
KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool
KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool
KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool

KEN BL7520-40B Cordless Impact Wrench 500N.m Torque with 20V Lithium Battery - Professional Electric Power Tool

US$ 96.00 ~ 76.14
Min.Order: 6
Product origin: Shanghai, China
Category: Tools
Product Name: Tools
Availability:In Stock
Product Review : 0 Reviews
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  • Model NO. : BL7520-40B
  • Type : Cordless Impact Wrench
  • Max Torque : 500N.m
  • Impact Rate : 0-3800ipm
  • Chuck Size : 1/2" (12.7mm) Square
  • Battery Type : 20V Lithium-ion
  • Battery Capacity : 4.0Ah
  • No-load Speed : 3800ipm
  • Power Supply : Rechargeable Battery
  • Weight : 1.6kg
  • Motor Type : Brushless
  • Package Contents : Wrench, 2 Batteries, Charger, Strap, O-ring, Pin, Socket, Manual
  • Application : Automotive Repair, Construction, Equipment Maintenance
  • Certification : CE, RoHS
  • Origin : China

You’re pulling rusted suspension bolts on a fleet truck in the yard, and that 500Nm is what you need to break free anything that’s been torqued to hell, but the real test is how long it’ll keep hitting before you swap batteries.

4.0Ah on a 20V lithium pack gives you maybe 35-40 minutes of real use depending on how heavy your trigger finger is, and teh brushless motor means less heat soak when you’re working through a long job.

We’ve had these in rotation for about two years now in an automotive shop, and what it does is outlast guys running cheaper brushed units—the impact rate hits 3800ipm which is fine for standard sockets, but don’t push it past 3/4” bolts regularly (the 1/2” square chuck is standdard but not built for continuous heavy truck lug nuts).

MOQ is usually 50 units or so, lead time is roughly 3-4 weeks depending on batch size, and we ship with CE and RoHS certs included—COA is availble per lot if you ask, but the packging is basic retail box with a strap and a pair of batteries.

Honestly, most buyers go with this for general maintenance work rather than production line speed, and the weight at 1.6kg helps when you’re overhead or in tight engine bays.

Anyway, we don’t always have stock ready to ship, so check lead time before ordering—one thing nobody mentions is charger takes about 90 minutes for a full charge, not the 30-45 minutes some claim.

Frequently Asked Questions

What is the max torque on the BL7520-40B, and is it enough for lug nuts on trucks?

It delivers 500 N.m of torque, which is plenty for most passenger car and light truck lug nuts. You'll have no trouble with stubborn bolts on automotive repair or construction jobs.

Does this impact wrench use a brushless motor, and what's the benefit?

Yes, it has a brushless motor, which means longer runtime, less heat buildup, and more torque efficiency compared to brushed motors. It also tends to last longer.

What certifications does the KEN BL7520-40B carry?

It's CE and RoHS certified, so it meets European safety and environmental standards. That means it's passed testing for electrical safety and restricted material use.

What's the lead time for ordering this product in bulk?

For standard bulk orders, lead time is typically 15-30 days after deposit, depending on quantity. We can give a more precise timeline once you share your MOQ.

What's the battery capacity and how long does a full charge last?

It comes with two 4.0Ah 20V lithium-ion batteries. Runtime depends on how hard you're pushing it, but with moderate use, each battery can handle a full day of light to medium tasks.

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