Drilling And Cutting, Japan, Nitto Kohki
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
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 | ||
| mm | One-touch Type JETBROACH 35L | 17.5 to 35 | 6 to 35 | |
| One-touch Type JETBROACH 5OL | 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 | ||
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.
Adjustable Feed Handle
The feed handle can be locked at varying angles to enhance productivity.
Light Handle Operation
Fast revolution of Jetbroach cutter makes less cutting resistance and smooth handling.
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.
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.
A Carrying Case Is Provided
The carrying case is a rugged accessory that provides a convenient way to transport and store the LO-3550.
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
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