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Models No.

 Description

PRODUCT

C

ONCEPT AND MAIN APPLICATIONS

 

S

pecification

S

tandard equipment

O

ptional accessories

P 1 / 8

Dimensions: mm (")

Width (W)
Height (H)

Length (L)

165 (6-1/2)

Model

BTW250, BTW251

79 (3-1/8)

234 (9-1/4)

Note:

 The standard equipment for the tool shown above may differ by country.

BTW250, BTW251
Cordless Impact Wrench

Models BTW250 and BTW251 are compact and lightweight

cordless impact wrenches, featuring maximum fastening torque

of 230N.m (170ft.lbs).

BTW250 is powered by Model BL1430 14.4V Li-ion battery,

and BTW251 by Model BL1830 18V Li-ion battery.

These products are available in the following variations:

Belt clip ...................................  1

Plastic carrying case ................  1

Sockets

Extension bar

Universal joint

Bit adapter assembly

Battery BL1430 (for BTW250 only)

Battery BL1830 (for BTW251 only)

Fast charger DC18RA

Charger DC24SA

Charger DC24SC (for BTW250 only)

Battery

Specification

Net weight**: kg (lbs)

Capacity: Ah
Cell

Voltage: V

18

Driving shank

No load speed: min.-

1

=rpm

Impacts per min.: min.-1=ipm

0 - 2,200

0 - 2,100

0 - 3,200

1.7 (3.7)

14.4

1.6 (3.5)

3.0

Li-ion

235

280

Max. fastening torque*: N.m (in.lbs)

230 (2,040)

12.7mm (1/2") Square

*catalog value (torque at 6 seconds after seating)  **with battery

Max output (W)

Model

BTW250

BTW251

T

ECHNICAL INFORMATION

The items listed below in "Standard Equipment" also come with the above items.

BTW250

BTW251

BTW250Z

BL1430

DC18RA

No 

No

Model No.

type

quantity

Charger

No

Yes

Plastic

carrying case

No

BTW250RFE

2

Battery

BTW250

BTW251

BTW251

BTW251Z

BL1830

DC18RA

No 

No

Model No.

type

quantity

Charger

No

All countries

Yes

Plastic

carrying case

Offered to

No

USA, Canada, Mexico, Panama

All countries other than

the four listed above

BTW251RFE

2

Battery

Summary of Contents for MAKSTAR BTW250 Series

Page 1: ...30 for BTW250 only Battery BL1830 for BTW251 only Fast charger DC18RA Charger DC24SA Charger DC24SC for BTW250 only Battery Specification Net weight kg lbs Capacity Ah Cell Voltage V 18 Driving shank...

Page 2: ...Large Disassembling Hammering mechanism Magnetizing screwdriver for removing Steel balls 1R346 Center attachment for 1R045 1R288 Screwdriver magnetizer Use for Fig 1 Anvil Surface that contacts Hammer...

Page 3: ...g box complete in 134848 9 Fit another 134848 9 over the hexagonal portion of Hammer case complete By turning 134848 9 clockwise with 1R223 and 1R224 the Hammer case section can be disassembled as ill...

Page 4: ...screwdriver magnetized using 1R288 Fig 7 9 Remove 1R045 by turning the handle counterclockwise 10 Remove Spindle Compression spring 25 and Cup washer 14 from Hammer as illustrated in Fig 8 Important...

Page 5: ...Bearing box complete side Fig 11 5 Assemble Hammer case complete to Bearing box as illustrated in Fig 12 Fig 12 ASSEMBLING Fig 11 Fig 10 Internal gear 51 Bearing box complete O ring 40 stepped end Fit...

Page 6: ...end of Armature If assembled wrong the Motor section cannot be assembled to Housing L Fig 14 2 Because Yoke unit is a strong magnet when assembling Armature to Yoke unit be sure to hold the commutator...

Page 7: ...s in Fig 19 are the Carbon brush section viewed from A Correct Wrong Lead wire of Carbon brush Lead wire correctly routed Torsion spring Tail of Torsion spring Tail of Torsion spring Circuit diagram C...

Page 8: ...in this corresponding corner of Housing L LED Connector large Connector small Light circuit rib Terminal side Switch side Do not cross the lead wires of LED here Lead wire orange pin lead wire holder...

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