Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Product Made in Japan
Manufacturer: Nitto Kohki
Model: LO-3550

Compact, light weight, low profile design gives you greater hole making mobility

Drilling on 100 mm or more width web and flange of wide flange beam
Designed to improve drilling on walls, confined and elevated locations
Drill position can be adjusted up to 10 mm travel on each axis straight front to back and pivot side to side

Portable Magnetic Base Drilling Machine ATRA ACE manual feed

Model LO-3550
Max. 35 mm dia. x 50 mm deep Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Specifications

Model			LO-3550
Power Source (Single Phase)			220-240 VAC, 50/60 Hz
Electric Drill	Rated Power Consumption W		800
	Rated Current A		3.3
	No-load Speed min ’(rpm)		950
Hole Capacity	Cutter		Hole Diameter	Plate Thickness
	One-touch Type JETBROACH 25L		12 to 17	6 to 25
	One-touch Type JETBROACH 35L		17.5 to 35	6 to 35
One-touch Type JETBROACH 50L		12 to 35	6 to 50
Magnet Holding Power N(kgf)			5500 (561)
Magnet Dimensions mm			65 x 145
Cutter Position		Pivot Side to Side mm	10
Adjustment		Straight Front to Back mm	10
Power Cord Length m			3
Mass (Weight) kg			8.7*

* Without an electric cord and a sub handle

Accessories Included

Carry Case
Cutting Oil 0.5L
Feed Handle
Sub Handle
Pilot Pin 08035
Spanner 17
Blade
Hex. Socket Bolt 5 x 12
Hex. Socket Head Set Screw 8 x 28
4 mm Hex. Socket Screw Key
5 mm Hex. Socket Screw Key
Spanner 7 x 8
Guard
Safety Strap

Chip Breaker

This chip breaker prevents the cutter from becoming jammed with metal shavings.

Optional Accessories

Ref. No.	PN	Description	Sales Unit
1	TB01507	Cutting Oil 2L	1 piece
2	TQ105B1	Jet Oiler
3	TB01098	Tube 4 x 7 x 3000 Assy
4	TB07306	Lubrication Adapter Ass’y
5	TB04374	Supporting Magnet Ass’y
6	TB07696	Pipe Attachment Ass’y
*50L for stacked plates		One-touch Type JETBROACH 25L. 35L, 50L

Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Easy Drilling Position Adjustment
After engaging the magnet, the drill position can be adjusted up to 10 mm travel on each axis straight front to back and pivot side to side. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Adjustable Feed Handle
The feed handle can be locked at varying angles to enhance productivity. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Light Handle Operation
Fast revolution of Jetbroach cutter makes less cutting resistance and smooth handling. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Easy-to-use Switch Panel
On/off buttons of the magnet and the drill motor are on the front panel and can be operated by one hand. Drilling conditions can be checked by lamp colors. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Reversible Feed Handle
The feed handle can be positioned on the right or left hand side for ease of drilling and mounting in confined spaces. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

A Carrying Case Is Provided
The carrying case is a rugged accessory that provides a convenient way to transport and store the LO-3550. Nitto Kohki LO-3550 Portable Magnetic Base Drilling Machine

Optional Accessories for ATRA ACE

Pipe Attachment Ass’y

The Pipe Attachment Ass’y is an optional base to securely fasten an Atra Ace on a pipe for drilling. The chain can easily and securely fit around pipes having an outside diameter of 48.6 to 318.5 mm.
Example of installation on a pipe

Applicable Pipe Size: 48.6 to 318.5 mm
PN: TB07696
Applicable Models when a 35 mm or 50 mm length one-touch type Jetbroach cutter is used: CLA-2720, WOJ-3200, LO-3550, WA-3500, and QA-4000

Supporting Magnet Ass’y

If the accessory safety strap or chain is unable to be properly secured to prevent the Atra Ace from falling off the workpiece, the supporting magnet ass’y is recommended. It employs a permanent magnet and can secure the Atra Ace even if power is interrupted.
Installation Example PN:TB04374
Applicable Models: CLA-2720, LO-3550, WA-3500, WOJ-3200, AO-5575A, QA-4000, and QA-6500