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Cordless Rotary Hammer

21V 22mm Cordless Brushless Rotary Hammer

21V 22mm Cordless Brushless Rotary Hammer

21V cordless rotary hammer with strong impact energy and compact design. With brushless motor, KD77 owns long life span and superior durability. Designed & Manufactured by KYNKO Power Tools, Quality Guaranteed.

  • Brand:

    KYNKO
  • Item No.:

    Z0A-KD77-22
product details


Product Item: 21V 22mm Cordless Brushless Rotary Hammer






KD77 is a KYNKO 21V SDS Plus 22mm cordless rotary hammer. It owns a brushless motor, which bring a long life span and superior durability. KD77 owns three function: drilling, hammering and hammer drilling. It runs with KYNKO 21V battery Lithium-Ion Premium Battery Pack, which is compatible with the complete line of KYNKO 21-Volt MAX tools. KD77 is one of the most powerful cordless 22mm rotary hammer in the world. It Designed and manufactured by KYNKO, quality guaranteed.


MODEL: Z0A-KD77-22, #6771
VOLTAGE: 21V
MAX DRILLING DIAMETER: 22MM
CHUCK TYPE: SDS PLUS
IMPACT RATE: 0-4500BPM
NO LOAD SPEED: 0-1400RPM
IMPACT ENERGY: 2.1J
N.W.: 2.3KG




1. LED light---can be used under dark working condition
2. Brushless Motor, Long life span
3. Four times protection of battery pack, much safer
4. Optimized impacting system ---- increase drilling efficiency
5. Optimized motor cooling system--- increase motor working life;
6. Ergonomic flexible rubber handle and trigger switch ,reducing work strength
7. Optimized li-ion battery protection technology with battery indicator
8. Excellent battery system --- with Ø6 drill bit under full charge, max drilling capacity is 200 holes of 40mm depth.




QTY/CTN: 4pcs/ctn (Tools Bag)
Packing Size: 50*42*35cm




Q: Where is your market?
A: We are exporting KYNKO power tools to more than 70 countries, such as Germany, Australia, Vietnam, Chile, Iraq, Kenya, etc.

Q: What's your payment terms?
A: We could accept L/C sight, T/T before shipment.

Q: What's the delivery time?
A: We could deliver the goods about 45 days after order confirmed.

Q: What is the MOQ?
A: The MOQ of KYNKO brand is 50 PCS, and the MOQ of OEM is 500 PCS.

Q: Can I get samples to test?
A: Yes, we could provide samples for your test.

Q: What is your warranty term for product?
A: We offer 1 year / 1% spare parts free supply guarantee.




KYNKO, founded in 1993, is a leading professional power tools manufacturer, a Famous-brand Enterprise & National High-tech Enterprise. With two industrial production bases, KYNKO owns more than 20 production line and hundreds of world-class automatic production & testing equipment. We are committed to the development and production of high quality professional power tools. Welcome to join KYNKO worldwide business patterns and establish long-term relationship with us!





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