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Preset Torque Wrench QSP/QSP-MH

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Preset Torque Wrench QSP/QSP-MH Specification

Grip Type
Ergonomic Non-slip

Power Source
Manual

Features
Preset torque setting, audible click, high accuracy

Surface Finish
Chrome Plated

Tensile Strength
High

Gauge
Mechanical

Function
Applying preset torque level to fasteners

Tool Type
Preset Torque Wrench

Material
Alloy Steel

Handle Material
Plastic

Shape
Straight

Dimension (L*W*H)
380 mm x 40 mm x 30 mm

Torque Range
5-300 Nm

Release Mechanism
Snap-action

Head Type
Ratchet

Calibration
Factory calibrated

Model
QSP/QSP-MH

Direction
Clockwise

Application
Automotive, Mechanical, Industrial maintenance

Accuracy
3%

About Preset Torque Wrench QSP/QSP-MH

Preset Torque Wrench QSP/QSP-MH

Application

For assembly and mass-production.

Features

Preset style.
The set torque cannot be changed without using a special tool (sold separately), preventing the operator from changing torque by mistake.
A clear click sound signals tightening completion upon reaching the set torque.
The ratchet head has 24 teeth with a 15 degree operating range, allowing for use in space-limited working conditions.

Specifications

QSP1.5N4 QSP50N3 Specifications										Accuracy 3%
MODEL			QSP1.5N4	QSP3N4	QSP6N4	QSP12N4	QSP25N3-1/4	QSP25N3	QSP25N3-MH	QSP50N3	QSP50N3-MH
S.I. RANGENm			0.31.5	0.63	16	212	525			1050
METRIC RANGEkgfcm			315	630	1060	20120	50250			100500
APPLICABLE BOLT	COMMON STEEL		M3(M3.5)	M4(M4.5)	M5, M6	(M7)	M8			M10
	HIGH TENSION		M2.5	M3(M3.5)	M4(M4.5)	M5, M6	(M7)			M8
MAX. HAND FORCEN			15	30	45	89	155			281
DIMENSION mm	EFFECTIVE LENGTH	L	120			125	161			178
	OVERALL LENGTH	L'	165			175	215			240
	SQ. DRIVE	a	6.35					9.53
		b	7.5					11
	HEAD	R	11.5				13			16
		h	17.5				18.5	22		25.6
	BODY	m	19							25.5
		n	9.2							11.2
		d	15							20
		D	24				29		15	34	20
WEIGHTkg			0.16		0.19		0.25			0.4
GRIP			Resin grip						Knurled grip	Resin grip	Knurled grip
ADJUSTING TOOL (OPTIONAL ACCESSORY)			No.931							No.930


QSP100N4 QSP420N Specifications										Accuracy 3%
MODEL			QSP100N4-3/8	QSP100N4	QSP100N4-MH	QSP140N3	QSP140N3-MH	QSP200N4	QSP280N3-1/2	QSP280N3	QSP420N
S.I. RANGENm			20100			30140		40200	40280		60420
METRIC RANGEkgfcm			kgfcm 2001000			3001400		4002000	kgfm 428		642
APPLICABLE BOLT	COMMON STEEL		M12(M14)			M16		(M18)	M20		(M22)M24
	HIGH TENSION		M10			M12		(M14)	M16		(M18)
MAX. HAND FORCEN			398			444		500	467
DIMENSION mm	EFFECTIVE LENGTH	L	251			315		400	600		900
	OVERALL LENGTH	L'	315			380		465	665		970
	SQ. DRIVE	a	9.53	12.7						19.05
		b	11	14				15.4		20.5
	HEAD	R	17			18.8		20	22.5		25.5
		h	29	32		33.5		38.4	39.9	44.5	46.5
	BODY	m	28					35			38.6
		n	12.2					15			16.1
		d	21.7					27.2			30
		D	34		21.7	34	21.7	27.2			40
WEIGHTkg			0.65			0.7		1.2	1.8		3.1
GRIP			Resin grip		Knurled grip	Resin grip	Knurled grip
ADJUSTING TOOL (OPTIONAL ACCESSORY)			No.930								No.314

Notes

-MH models, and QSP200N4 to QSP420N models, have a metal grip; all others have a resin grip.

High Accuracy and Reliability

With an impressive 3% accuracy, the Preset Torque Wrench QSP/QSP-MH guarantees consistent and precise torque delivery, reducing the risk of over- or under-tightening. Manufactured with high-strength alloy steel and factory calibration, the tool meets rigorous industry standards for automotive and industrial use.

User-Friendly Operation

The ergonomic non-slip handle provides comfort, while the audible snap-action mechanism signals when the preset torque is reached, making operation straightforward and preventing fastener damage. Designed as a manual tool for easy use in various professional settings.

Versatile and Durable Construction

Suitable for automotive, mechanical, and industrial environments, this wrenchs chrome-plated surface resists corrosion. The ratchet head and straight shape allow flexible positioning and access in tight workspaces. Its robust build ensures long service life even under demanding conditions.

FAQs of Preset Torque Wrench QSP/QSP-MH:

Q: How do I use the QSP/QSP-MH preset torque wrench to apply torque accurately?

A: To use the QSP/QSP-MH, simply fit the tool onto the fastener and apply force in a clockwise direction. The wrench will emit an audible snap once the preset torque is reached, ensuring accurate application without guesswork.

Q: What is the torque range and accuracy of this torque wrench?

A: The QSP/QSP-MH covers a torque range from 5 Nm to 300 Nm and maintains an accuracy of 3%, making it suitable for a wide array of mechanical, automotive, and industrial applications.

Q: When should I consider recalibrating my torque wrench?

A: Although each QSP/QSP-MH is factory calibrated, recalibration is recommended annually or after every 5,000 cycles of use to maintain optimal accuracy, especially if used in environments with heavy and frequent operations.

Q: Where can I use this preset torque wrench effectively?

A: This preset torque wrench is ideal for automotive repair, mechanical maintenance, and industrial assembly tasks where precise torque levels are critical for safety and reliability.

Q: What is the process for setting the torque value on the wrench?

A: The torque value on the QSP/QSP-MH is preset during manufacturing. Users do not need to adjust it; simply use the wrench according to the indicated preset value for consistent results.

Q: What are the core benefits of the ergonomic grip and ratchet head design?

A: The ergonomic non-slip handle ensures comfortable, fatigue-free grip, even during extended use, while the ratchet head enables efficient operation in confined spaces and speeds up repetitive tasks.

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