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Mini Digital Torque Wrenches / Screwdrivers

WM-I series - 9x12 Mini Interchangeable/Digital Bluetooth Torque Wrench & Electronic Torque Wrench
  • Suggested accessories - Open-ended Insert tools, Ring Insert tools, Sockets, Bits Sockets

WM-I series (0.9~25 Nm / Interchangeable)

Features
-The ratchet head can change to open insert tool or ring insert tool.
1. Use the piezoelectric effect converted into accurately torque value.
2. Two modes : F(Track) / K(Peak).
3. Warning function : Beep, LED indicator. ( When reach the torque setting value 80%)
4. Vibration function : When reach the torque setting value 90%.
5. Four torque units are available : N-m, ft-lb, in-lb, kgf-cm.
6. Automatically powers off when not in use for 2 minutes. ( The non-shutdown mode can be customized )
7 .Can store 30 memory setting values.
8. LCD backlight display.
※※ Suggested accessories: Open insert tool, Ring insert tool, Socket and Bit Socket. ※※
➤Content : Provide storage steel box x1, Certificate of calibration report (Using ISO specification) x1, Operator’s menu(Bilingual) x1, Mini screwdriver(replace the battery) x1, Ratchet insert tool x1
 Unit: mm [※1 kgf ≒ 10 N]SPECIFICATIONS
Item No.Suggested Range
(Nm)
Setting Range Insert Drive
(inches)
Accuracy (Note2) Preset Accuracy Ratchet Teeth Resolution Length
(mm)
Weight
(g)
CW CW CCW
0.9~60.3~6Nm9x121/4"±2.5%±3%±4%600.01 Nm255270
2.25~150.75~15Nm9x121/4"±2.5%±3%±4%600.01 Nm255270
3.75~251.25~25Nm9x121/4"±2.5%±3%±4%600.01 Nm255270

Notes: Accuracy guaranteed at 20% to 100% of full scale.

※1 Nm=10.2 kgf-cm=0.738 lbf-ft=8.851 lbf-in


【Taste, Durability, Core of the Future】 Asmith Taiwan-made Digital Torque Wrench, with a metal body featuring mirror electroplating. It hides a powerful core inside, using high-spec chips from Japan. In factory tests, it has locked maximum torque 100,000 times while maintaining high precision. The chip has a lifespan of up to 20 years, making it extremely durable. Once purchased, there’s no need to replace it.
 


【Iron Box Reinforcement, Solid and Tough】  
The blacksmith's attention to detail in the packaging provides your digital wrench with thoughtful protection. The outer iron box reinforces it, while the inner layer of elastic EVA prevents impact from drops. Additionally, the wrench itself can withstand a drop from one meter without damage, offering comprehensive protection.


  Panel
Dry Cell Technical Data Rechargeable Battery Technical Data (Battery : Standard 16650/Mini 10440)
Battery life(continuous
operation)
1-3 hrs
(WS series: 37 hrs)
Battery life(fully charged
used time)
8-10hrs Nominal Voltage 3.7V
Battery life (Standard
Mode)
1 year Recharge Time Standard 90-120 mins /Mini 60-90 mins Nominal Capacity Standard 1600mAh / Mini 320mAh X2
Operating
temperature
-10℃~ 60℃ Storage conditions
(Temperature)
Recharge :10℃ ~ 45℃
Discharge :-10℃~60℃
Storage :-20℃~25℃ (<1 year)

-20℃~40℃(<3 months)

-20℃~50℃(<1 month)

Internal Resistance <60mΩ
Storage temperature -20℃~70℃ Lifetime Testing Capacity remains above 80% after 300 standard charge-discharge cycles.
Humidity Up to 90% (not condensed) Storage conditions
(Humidity)
Work : 20% ~ 85%RH (not condensed)
Storage : 40% ~ 85%RH (not condensed)
Built-in Dual Protection IC
Circuit
Provides protection against over-voltage charging, over-voltage discharging, over-current charging, overheating, overload, and short circuits.
Charging method USB insert(Type C) Charging Input Voltage 5V⎓1A
Common Specification
No. of memory parameters 30
LED 2(1Green + 1Red)
Vibration Warning YES (Activate when set value reaches 90%)
Operating modes Peak hold (K)/Track (F)/*WA series also include an Angle (A)
Torque Units Nm, kg-cm, Ib-ft, Ib-in
(WM-SD series: cNm, kg-cm, Ib-in)
Drop test 1m
Shaking test 10G(10Hz→55Hz→10Hz/0.8mm)
Durability Over 10000 cycles
Environmental test PASS
EMC test PASS
 
 




The illustration of using wrench handle.
 




 


Digital Torque Wrench Demo (Please turn on subtitles  ) 
 Unit: mm [※1 kgf ≒ 10 N]Alternative or choosable accessories
Item No.Accessories Dimensions Apply to
Insert Head
(mm)
W C
  7~19mm Open-ended Insert tools (1 SET) 9x12 7~19 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
  Open-ended Insert 9x12 7 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 8 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 9 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 10 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 11 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 12 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 13 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 14 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 15 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 16 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 17 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 18 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 19 20 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 21 25 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 22 25 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 24 25 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 26 32 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 27 32 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 30 32 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
(Not in stock) 9x12 32 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
(Not in stock) 9x12 34 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
(Not in stock) 9x12 36 WI-30-1, WI-60-2, WI-135-2, WD-I30-1
  7~19mm Ring Insert tools (1 SET) 9x12 7~19 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
  Ring Insert tools 9x12 7 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 8 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 9 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 10 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 11 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 12 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 13 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 14 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 15 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 16 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 17 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 18 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 19 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 21 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 22 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 24 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
  Open-Ring Insert tools 9x12 10 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 11 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 12 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 13 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 14 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 16 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 17 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 18 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 19 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 21 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
9x12 22 17.5 WM-I series, WI-30-1, WI-60-2, WI-135-2, WD-I30-1
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