Extension bar WR12DM Code No WR9DM Code No

English

<For WR12DM>															Table 3

Square					Suitable Bolt Diameter				Hexagonal				Main Socket
head drive	Part Name			Code No.	High	ISO	ISO	Inch	width across	Form		Dimensions (mm)
dimensions	Part Name			Code No.	High	ISO	ISO	Inch	width across	Form		Dimensions (mm)
S (mm)					tension	(ordinary)	(small)	bolts	flats H (mm)		L		L1	L2		øF
		12	mm	955138			M8	W5/16"	12	B	52		20	34		20
		13	mm	955139		M8			13	B	52		20	34		21.5
		14	mm	955140			M10		14	B	52		20	34		22
		17	mm	955141		M10	M12	W3/8"	17	B	52		24	34		25
	Long	17	mm	955149		M10	M12	W3/8"	17	B	75		24	57		25
12.7	Long	19	mm	955142		M12	M14	W7/16"	19	B	52		24	34		28
12.7	Socket	19	mm	955142		M12	M14	W7/16"	19	B	52		24	34		28
	Socket	19	mm	955150		M12	M14	W7/16"	19	B	75		24	57		28
		19	mm	955150		M12	M14	W7/16"	19	B	75		24	57		28
		21	mm	955143				W1/2"	21	D	52		24	34		31
		21	mm	955151				W1/2"	21	D	75		24	57		31
		21	mm	991480				W1/2"	21	D	125		24	107		31
		22	mm	955144	M12	M14	M16		22	D	52		24	34		32.5
		24	mm	955146		M16	M18		24	D	52		25	34		34

<For WR9DM>														Table 4

Square					Suitable Bolt Diameter			Hexagonal				Main Socket
head drive	Part Name			Code No.	ISO	ISO	Inch	width across	Form		Dimensions (mm)
dimensions	Part Name			Code No.	ISO	ISO	Inch	width across	Form		Dimensions (mm)
S (mm)					(ordinary)	(small)	bolts	flats H (mm)		L		L1	L2		øF
		8 mm		996134	M5			8	B	60		12	48		13
		10	mm	996135	M6			10	B	60		12	48		16
		12	mm	996136		M8	W5/16"	12	C	60		14	48		18.4
9.5	Long	13 mm		996137	M8			13	B	60		14	48		18.9
9.5	Socket	14	mm	996138		M10		14	B	60		15	48		19.5
	Socket

		16	mm	996139	M10			16	D	60		15	48		24
		17	mm	996140	M10	M12	W3/8"	17	D	60		15	48		25
		18	mm	996141	M12			18	D	60		16	48		26
		19	mm	996142	M12		W7/16"	19	D	60		17	48		27.5

3.Extension bar: WR12DM: Code No. 873633 WR9DM: Code No. 996143

The extension bar is convenient for working in very restricted spaces or when the socket provided cannot reach the bolt to be tightened.

CAUTION

when the extension bar is used, the tightening torque is reduced slightly compared with the ordinary socket.

5.Duct Socket: (WR12DM)

This is used for tightening bolts and nuts on flange sections of air conditioners, type ducts, etc.

4.Universal joint:WR12DM: Code No. 992610 WR9DM: Code No. 996147

The universal joint is convenient for impacting nuts when there is an angle between the socket and wrench, or when working in a very narrow space.

	Code No.	Hexagonal width
	Code No.	across flats (mm)
		across flats (mm)
	993658	12
	992613	13
	992615	14

6.Corner attachment (Model EW-14R)(WR12DM)

Use this attachment only when the machine is applied to the nut or bolt at the right angle.

WR 9DM, WR 12DM specifications

The Hitachi WR 12DM and WR 9DM are professional grade power tools designed to meet the needs of both DIY enthusiasts and construction professionals. These powerful models stand out in the market with their innovative features, advanced technology, and ergonomic design, making them ideal for a variety of applications such as drilling, fastening, and woodworking.

The Hitachi WR 12DM is equipped with a robust 12V motor that delivers impressive torque and speed, enabling it to tackle a wide range of fastening tasks with ease. It features a maximum torque of 130Nm, making it suitable for heavy-duty applications. The compact and lightweight design of the tool allows for easy maneuverability in tight spaces, reducing operator fatigue during extended use.

One of the standout technologies of the WR 12DM is its brushless motor, which provides several advantages over traditional brushed motors. This technology ensures longer runtime, increased efficiency, and reduced maintenance, as there are fewer moving parts that can wear out over time. Additionally, the integrated Electronic Speed Control allows for variable speeds, giving users the flexibility to adjust performance settings according to the demands of the task at hand.

On the other hand, the Hitachi WR 9DM offers a more compact solution, equipped with a 9V motor for lighter tasks. With a maximum torque of 90Nm, it is perfect for smaller projects and general maintenance work. The design is optimized for ease of handling, ensuring that it’s not only efficient but also comfortable to use for extended periods.

Both models emphasize user safety and convenience. They come with a built-in LED light that illuminates the workspace, ensuring visibility in low-light conditions. The ergonomic grip provides a comfortable hold, reducing stress on the hands during operation. Furthermore, both tools feature a keyless chuck for quick and easy bit changes, enhancing overall productivity.

The Hitachi WR series also showcases an excellent battery system, with Li-ion technology offering longer battery life and faster charging times. These features collectively make the WR 12DM and WR 9DM reliable choices for professionals looking for efficiency, power, and innovation in their tools. Together, they demonstrate Hitachi’s commitment to quality and performance in the power tool market.