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.




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!






Product Tags 21V cordless rotary hammer          Cordless brushless rotary hammer          22mm cordless hammer drill          light portable rotary hammer          cordless brushless hammer drill          20V cordless rotary hammer         

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