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Use accurate torque controls to improve quality! Case examples can be found in torque handbook 8

Pokayoke Torque Wrench

MPQL / MQL

Marking torque wrench
RoHS markingRacquet gear 24

Prevents human tightening errors (Pokayoke)

Adjustable / Pre-lock

Ratchet Head

Torque Graduation

Quick Drying Ink

Pokayoke (error-proofing) marking torque wrench. Lets you make direct visual checks for bolt tightening errors.

MPQL100N4 [Overall length 320 mm]

Marked bolt (red φ9)

Marked bolt (blue φ5)

Application

  • Pokayoke (tightening assurance).

Features

  • When the torque wrench is activated the bolt head is marked.
  • Oversight preventable by quick visual check on the bolts.
  • Marking is not done until set torque is achieved.
  • Marking stays on by use of quick dry ink.
  • Extending the socket with the extension bar permits tightening and marking in deeply inset places.
  • Ink cartridges are easy to install inside specialized socket.
  • Only hand force required for tightening a bolt and marking the bolt simultaneously.
  • One refill of ink is capable of approximately 6,000 times of stamping.
  • Height of the stamp is adjustable (±5 mm).

Specifications

Accuracy ±3%    
S.I. MODEL MPQL50N MPQL100N4 MPQL140N MPQL200N4 MPQL280N    
TORQUE RANGE
[N・m]
MIN. ~ MAX. 10~50 20~100 30~140 40~200 40~280    
GRAD. 0.5 1 2    
METRIC MODEL 450MPQL 900MPQL4 1400MPQL 1800MPQL4 2800MPQL3    
TORQUE
RANGE[kgf・ cm/kgf・m]
MIN. ~ MAX. kgf・cm
100~500
200~1000 400~1400 400~2000 kgf・m
4~28
   
GRAD. kgf・cm
5
10 20 kgf・m
0.2
   
AMERICAN MODEL 450MPQL-A 900MPQL4-A 1400MPQL-A 1800MPQL4-A 2800MPQL3-A    
TORQUE
RANGE[lbf・ in/lbf・ft]
MIN. ~ MAX. lbf・in
100~400
lbf・ft
15~75
30~100 30~130 60~300    
GRAD. lbf・in
5
lbf・ft
1
2 3    
MAX.HAND FORCE [N] 274 388 443 500 467    
DIMENSION
[mm]
EFFECTIVE LENGTH L 183 252 316 397.5 600    
OVERALL LENGTH L' 246 320 385 418 692    
HEAD R 16 17 18.75 20 22.5    
H1 40.6 43 45.1 46 48.5    
BODY ℓ1 121 153 183    
A 41 40.6 45.2    
D 36 37.7 44.2 51.5    
ℓ2 95 100    
B 4    
WEIGHT [kg] 0.7 1 1.1 1.8 2.6    
                   
Notes
  • When ordering a torque wrench, be sure to specify the socket width that matches your bolt size, and purchase together with the torque wrench.

  • To learn how to select adapter, sockets, markers and auxiliary ink, see accessories for MPQL, MQL and MQSP models.

 

Standard accessory

MPQL standard accessory: Hex key for torque adjustments

Dimensions

MPQL50N~200N4

REMARK

To learn how to select adapter, sockets, markers and auxiliary ink, see accessories for MPQL, MQL and MQSP models.

◆ How to order

In case of Torque wrench: MPQL100N4, Width=17mm, Extension bar: unnecessary, Marker head: MK53RB, Ink: red

[Example 1] TohnichiMPQL100N4 + No.1705 + No.1780 + No.1770

◆ Things to remember when ordering

Socket is specifically designed for marking. A socket bought on the local market cannot be used.

Alternative product

Pokayoke (error-proofing)

Optional Equipment

Testers, checkers, calibration kits

DOT

TF

Download

Product Catalog

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Registration
Manuals

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Software

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2D CAD (DXF)

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3D CAD (IGES)

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Parts List

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Online Part Search System
How to Use
Features of TOHNICHI Torque Wrench

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How to set torque

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Applying the correct force/Loosening tasks/Tightening left-handed bolts and screws

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[September 2018 Version] Tohnichi’s Torque Engineering Seminars, ready to provide positive results in the workplace right away.

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Differences between adjustable, preset and pre-lock torque wrenches

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Technical Data
4. Tightening Reliability

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5. Selection of Tightening Tools

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6. Torque Tools are Measurement Equipment

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[September 2018 Version] Everything from torque controls to Tohnichi’s Tightening Guarantee System

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