Best KYNKO Brushless Cordless Rotary Hammer KD77 for Pros

Compared with electric drills, rotary hammers undoubtedly have more functions and higher efficiency. In recent years, cordless rotary hammers with brushless motors are now gradually replacing traditional electric rotary hammers and are increasingly accepted by more users.

In China, KYNKO is one of the power tool factories with the longest history and the most professional product quality. The KD77 brushless cordless rotary hammer it produces is rated as the best brushless rotary hammer on the market. Let’s take a closer look at the advantages of KYNKO KD77

1、More powerful brushless motor

Traditional brushed motors rely on the cooperation of commutators and carbon brushes to change the direction of machine rotation. They produce a large number of sparks, cause high noise and pollution during operation, and also reduce the machine's working efficiency and service life. KYNKO KD77 uses an ultra-high-power (21V) brushless motor, which has no sparks and pollution when working, but with higher speed, more power, and longer service life.

2、High-capacity Li-ion battery pack

KYNKO KD77 is equipped with three high-capacity battery packs of 4.0AH, 5.0AH and 6.0AH for customers to choose from, and each machine is equipped with 2pcs battery packs to facilitate customers to replace them during work.

3、Fast charging

KD77 is equipped with a super fast charger. When the battery is out of power, it only takes 90 minutes to fully charge the battery pack, saving charging time and making work more efficient.

4、Maximum diameter 22mm drill could be used

KYNKO KD77 can be used with drills of different diameters. It can be used with drill with a maximum diameter of 22mm to meet different operating needs, which is convenient and worry-free.

5、High working efficiency

KD77 has strong power output, and it only takes 6 seconds to drill a hole on 5cm cement wall using a 6mm drill.

6、The product is lightweight and flexible in operation

The net weight of the KD77 machine is only 2.3 kg, which is more convenient when drilling upwards. At the same time, the machine has a dust collection function to prevent dust from entering the eyes during work, making it safer

7、The machine is equipped with forward and reverse rotation adjustment and stepless speed control switch, making the operation more convenient.

8、WIth SDS-plus quick-release chuck, the drill can be installed quickly and easily, the clamping is firm, and it can effectively prevent the drill from falling during operation. The machine also comes with LED lighting, so it can work as usual in dim environments and at night.

9、Safety clutch function, the machine will automatically stop when drilling into steel bars, effectively protecting the wrist and preventing sprains

10、4 functional modes are available: hammering/drilling/chiseling/angle adjustment, suitable for different work needs

Q: Which standard accessories are included in the packaging:

A: 1pc rotart hammer, 2pcs battery packs, 1pc tool bag, 1pc dust collector, 1pc depth gauge and 1pc fast charger