Panasonic EY7840 Specifications, Set according to the work environment of the site

. SPECIFICATIONS

MAIN UNIT

	Concrete	16.5 mm (21/32")*
Maximum drilling		*For work that can be completed with one battery pack.
		( 12.5 mm (15/32") - 16.5 mm (21/32"))
diameter	Steel	13 mm (33/64")
	Wood	18 mm (23/32")
Motor voltage		14.4 V DC
Speed at no load (RPM)		0-1000 min-1(rpm)
Blows rate per minute (BPM)		0-3800 min-1(bpm)
Weight (with battery pack)		2.3 kg (5.1 lbs)
Overall length		249 mm (9-51/64")

GUIDELINE TABLE

•Select the torque for fastening screws with the clutch handle.

•Guide for the selection of torque

Depending on the job, adjustments are possible in five levels by approximately 1 N•m (10 kgf-cm) increments.

Guide Depending on Material

	Setting	Torque	Concrete			Block
			(A)	(B)	(A)	(B)
	1	Approximately 1.5 N•m (15 kgf-cm)
Fastening	2	Approximately 2.5 N•m (25 kgf-cm)
Screws	3	Approximately 3.4 N•m (35 kgf-cm)
	4	Approximately 4.4 N•m (45 kgf-cm)
	5	Approximately 5.4 N•m (55 kgf-cm)

Drilling	(Drill Mark) Approximately 10.5 N•m (107 kgf-cm)	Drilling holes in wood and
Holes
		metal

(A)For fastening screws into plastic anchor which requires dia. 6.0 mm (1/4") prehole in the concrete.

(B)For directly fastening screws into concrete (like topcon) with dia. 3.5 mm (1/8") prehole.

NOTE: This is only a rough guide. Required torque is different depending on the shape, material, and application of the screws.

Set according to the work environment of the site.

BATTERY PACK

Model

Storage battery

Battery voltage

Capacity

EY9L40

Li-ion Battery

14.4V DC (3.6 V x 4 cells) 3 Ah

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