Your Trusted Torque Wrench Calibration Provider

NIST-traceable torque wrench calibration services through a network of more than 50 labs. Quality managers, lab technicians, and procurement teams across aerospace, defense, automotive, and manufacturing industries rely on Micro Precision to keep click-style, dial indicator, digital, and preset torque wrenches performing within their required specifications. Micro Precision calibrates a variety of torque wrench brands, including Mountz, CDI Torque Products, Snap-on, and Tohnichi, giving procurement teams a single vendor for an entire torque tool inventory.

Micro Precision’s ISO/IEC 17025:2017 accreditation and NIST-traceable measurement chain give quality managers a documented, audit-ready calibration record for every torque wrench submitted, supporting ANSI/NCSL Z540.3 program requirements across regulated and safety-critical industries.

Fill out our Torque Wrench calibration service request form

Why Torque Wrench Calibration Matters

Torque wrench calibration matters because a tool that drifts out of tolerance can apply too much or too little force to a fastener without any visible warning, putting product integrity, safety, and compliance at risk. ANSI/NCSL Z540.3 establishes the calibration program requirements that quality systems depend on, and uncalibrated torque wrenches introduce real operational risk:

  • Product Failure: Fasteners tightened outside their intended range can loosen in service or fail under stress, leading to component malfunction.
  • Increased Downtime: Rework, warranty claims, and repair of improperly torqued assemblies interrupt production and add cost.
  • Safety Hazards: Incorrect torque on safety-critical fasteners in aerospace, automotive, or industrial equipment can create hazards for personnel and end users.
  • Regulatory Non-Compliance: Quality systems in aerospace, defense, medical, and automotive manufacturing require documented, traceable calibration records for torque-critical processes.

Quality managers need a documented, traceable calibration history to pass ISO/IEC 17025:2017 and customer audits without corrective action findings. Micro Precision’s calibration program addresses these risks directly, applying ANSI/NCSL Z540.3 program discipline to every torque wrench it services.

Ensure Accurate Torque Wrench Calibration

Ensuring accurate torque wrench calibration means verifying the tool’s applied force against NIST-traceable reference standards at multiple points across its rated range, then documenting the results on a certificate of calibration. Micro Precision follows a defined sequence for every torque wrench received: clean the tool and inspect it for mechanical wear or damage, zero the mechanism where applicable, test it against certified reference standards at multiple points across its range, adjust the tool where needed, and issue documentation confirming the outcome. Micro Precision offers standard turnaround alongside faster turnaround options for torque wrenches on a tight production or compliance schedule.

Micro Precision calibrates torque wrenches by cleaning and inspecting the tool, testing it against NIST-traceable reference standards at multiple points across its rated range, adjusting it where required, and issuing a certificate of calibration documenting As Found and As Left results.

Our Calibration Options

Micro Precision offers torque wrench calibration through both in-lab and on-site service, giving quality managers and procurement officers a choice based on tool volume, facility location, and downtime tolerance. In-lab calibration ships the torque wrench to one of Micro Precision’s ISO/IEC 17025:2017 accredited labs for calibration under fully controlled conditions. On-site calibration brings a Micro Precision technician directly to the facility, which is especially valuable for large torque wrench inventories or tools that are difficult to remove from a production line without disrupting operations.

Both in-lab and on-site torque wrench calibration are backed by NIST traceability and documented on a certificate of calibration. Micro Precision provides standard turnaround for both service types, with faster turnaround options available for time-sensitive production or audit needs across its network of more than 50 calibration labs.

ServiceDescriptionKey Benefit
In-Lab CalibrationPerformed in an organized setting using high-precision equipmentMaximum accuracy, thorough documentation, and complete measurement information
On-Site CalibrationCalibration conducted at your facility for convenienceMinimal delays, no shipping costs, and quick assistance

Torque Wrenches We Calibrate

Micro Precision calibrates a variety of torque wrench types across mechanical and electronic designs, including:

  • Click-style torque wrenches
  • Adjustable click torque wrenches
  • Dial indicator torque wrenches
  • Preset torque wrenches
  • Digital and electronic torque wrenches
  • Analog and beam torque wrenches

Micro Precision calibrates a variety of torque wrench brands, including Mountz, CDI Torque Products, Snap-on, and Tohnichi. Torque wrench models not listed here are likely supported as well; contact Micro Precision to confirm calibration availability for a specific make and model. Micro Precision also provides Torque Sensor Calibration Services as part of its broader Mechanical & Dimensional Calibration capability. For background on the torque wrench types used across industry, see Micro Precision’s blog post on the most commonly used torque wrenches.

The Risks of Uncalibrated Torque Wrenches

Using improperly calibrated or outdated torque tools can lead to significant operational risks:

  • Product Failure: Fasteners installed incorrectly can lead to critical malfunctions.
  • Increased Downtime: Costly delays resulting from necessary rework or repairs.
  • Safety Hazards: Serious risks to both personnel and expensive equipment.
  • Regulatory Non-Compliance: Failure to meet ISO and other essential industry standards.

Regular torque wrench calibration helps you mitigate these hazards and ensures precision across every project.

Calibration Service Levels Offered

Type of ServiceTraceableTraceable with DataAccredited (ISO:IEC 17025:2017, Z540.3)
Calibrated to manufacturers specifications traceable to SI Units   
ISO 9000 Compliant   
Calibration certificates, data, maintained on secure web based tool (CDM)   
Detailed calibration certificates and calibration stickers   
Instrument adjustment (if found out of tolerance)   
ANSI/NCSL Z540-1 compliant  
Calibration Data  
Logo from Accreditation body, Expanded Measurement Uncertainty 
ANSI/NCSL Z540.3 compliant 

Torque Wrench Calibration Services

Micro Precision delivers ISO/IEC 17025:2017 accredited, NIST-traceable torque wrench calibration services for click-style, dial indicator, digital, and preset torque wrenches, backed by a network of more than 50 calibration labs. Quality managers get audit-ready documentation. Lab technicians get confidence in every torque reading. Procurement teams get a single, trusted vendor for an entire torque tool inventory. This is the same accreditation and traceability standard that has earned Micro Precision the trust of aerospace, defense, automotive, and manufacturing customers nationwide.

Please complete our quick Torque Wrench equipment calibration & repair service request form, and a Micro Precision representative will reach out to you same-day during office hours, or within one business day after office hours. (Mon – Friday 8AM – 4PM PST)

DescriptionManufacturerModel
Any Torque Spanner Torque Wrench SpannerAnyTorque Spanner
Armstrong Tools, INC 64-086Armstrong
Belknap VB-75T-2 Torque Wrench - 10-80in lbBelknap
CDI Torque Products 151SM Wrench Test Fixture A #1CDI Torque Products
Commscope TW-4310 Torque Wrench for Coupling 4.3/10 Connectors - 22mm - 5Nm / 4ft LBCommScope
Digitool SPA-1002 Portable Torque Angle Pro - 3/8in / 100ft lb - Torque AND AngleDigitool
Hobo WE-150 1/2''DR.210N-MHobo
Hobo WE-250 1/2''DR.350N-MHobo
Hobo WE-250 1/2'DR.350N-MHobo
Hobo WE-80 3/8''DR.110N-MHobo
Hobo WE-80 3/8'DR.110N-MHobo
Hytorc QAS-115 Hydraulic Torque Wrench - 10,000psi / 700bar / 100xkpa - 4 tool use - Catalog# HYTORCQAS-115 / Model# AHytorcQAS-115
Lockheed Martin T0-771083 Radome Torque ToolLockheed Martin
Lockheed Martin T7A110026 Superframe Torque Wrench AdapterLockheed Martin
Mitutoyo D12''TXMitutoyo
Mountz EPT100i Adjustable Click Torque WrenchMountzEPT100i
Mountz EPT150F Adjustable Click Torque WrenchMountzEPT150F
Mountz EPT250F Adjustable Click Torque WrenchMountzEPT250F
Mountz EPT250i-A Adjustable Click Torque WrenchMountzEPT250i-A
Mountz EPT250i-D Adjustable Click Torque WrenchMountzEPT250i-D
Mountz EPT400F Adjustable Click Torque WrenchMountzEPT400F
Mountz EPT550F Adjustable Click Torque WrenchMountzEPT550F
Mountz EPT750F Adjustable Click Torque WrenchMountzEPT750F
Mountz EPT75F Adjustable Click Torque WrenchMountzEPT75F
Mountz IPT 110 Preset Click WrenchMountzIPT 110
Mountz IPT 150 Preset Click WrenchMountzIPT 150
Mountz IPT 18 Preset Click WrenchMountzIPT 18
Mountz IPT 250 Preset Click WrenchMountzIPT 250
Mountz IPT 36 Preset Click WrenchMountzIPT 36
Mountz IPT 369 Preset Click WrenchMountzIPT 369
Mountz IPT 73 Preset Click WrenchMountzIPT 73
Mountz IPT 885 Preset Click WrenchMountzIPT 885
Proto 6012Proto
Rapid-Torc RTX-4 Hydraulic Torque Wrench - 580-3855 Ft LbRapid-TorcRTX-4
Snap On C71022-6 Torque Wrench - Aircraft Engine Mount Bolts on CFM56-7 engines - Replaces C71022-1 and C71022-5Snap OnC71022-6
Snap On QC3P150 Torque Wrench - 30-150ft lb / 7-100NmSnap OnQC3P150
Snap On QJR3200C Torque Wrenth - 20-200ft lbSnap OnQJR3200C
Starrett 174 Tap Wrench - 0-14 Tap Size - 50658Starrett174
Starrett 50658 Tap Wrench - 0-14 Tap SizeStarrett50658
Tohnichi 10000DOTE2 Digital Torque Wrench Tester - 100-1000kgf mTohnichi10000DOTE2
Tohnichi 1000DOT Analog Torque Wrench Tester - 100-1000kgf.cmTohnichi1000DOT
Tohnichi 1000DOTE2 Digital Torque Wrench Tester - 100-1000kgf.cmTohnichi1000DOTE2
Tohnichi 1000DOTE2-A Digital Torque Wrench Tester - 87-870in lbTohnichi1000DOTE2-A
Tohnichi 2000DOTE2 Digital Torque Wrench Tester - 200-2000Kgf cmTohnichi2000DOTE2
Tohnichi 2000DOTE2-A-I Digital Torque Wrench TesterTohnichi2000DOTE2-A-I
Tohnichi 200DOTE2 Digital Torque Wrench Tester - 20-200kgf cmTohnichi200DOTE2
Tohnichi 200DOTE2-A Digital Torque Wrench Tester - 17-170in lbTohnichi200DOTE2-A
Tohnichi 3000DOT Analog Torque Wrench Tester - 300-3000kgf.cmTohnichi3000DOT
Tohnichi 350DOT Analog Torque Wrench Tester - 50-350kgf.cmTohnichi350DOT
Tohnichi 3600DOTE2 Digital Torque Wrench Tester - 36-36kgf.mTohnichi3600DOTE2
Tohnichi 360DOTE2 Digital Torque Wrench Tester - 36-360kgf.cmTohnichi360DOTE2
Tohnichi 360DOTE2-A Digital Torque Wrench TesterTohnichi360DOTE2-A
Tohnichi 500DOT Torque Wrench Tester - Analog - 50-500kgf cmTohnichi500DOT
Tohnichi 7000DOT Torque Wrench Tester - Analog - 700-7000kgf cmTohnichi7000DOT
Tohnichi 7000DOTE2 Digital Torque Wrench Tester - 7-70kgf mTohnichi7000DOTE2
Tohnichi ATG-36Z Torque WatchTohnichiATG-36Z
Tohnichi BTG15CNTohnichi
Tohnichi CL12N4X8DTohnichi
Tohnichi DOT1000I Analog Torque Wrench Tester - 900-1000in lbTohnichiDOT1000I
Tohnichi DOT100N Analog Torque Wrench Tester - 10-100NmTohnichiDOT100N
Tohnichi DOT200F Analog Torque Wrench Tester - 20-200ft lbTohnichiDOT200F
Tohnichi DOT300I Analog Torque Wrench Tester - 40-300in lbTohnichiDOT300I
Tohnichi DOT300N Analog Torque Wrench Tester - 30-300NmTohnichiDOT300N
Tohnichi DOT35N Analog Torque Wrench Tester - 5-35NmTohnichiDOT35N
Tohnichi DOT430I Analog Torque Wrench Tester - 40-430in lbTohnichiDOT430I
Tohnichi DOT500F Analog Torque Wrench Tester - 50-500ft lbTohnichiDOT500F
Tohnichi DOT700N Analog Torque Wrench Tester - 70-700NmTohnichiDOT700N
Tohnichi DOTE1000N Digital Torque Wrench Tester - 100-1000NmTohnichiDOTE1000N
Tohnichi DOTE100N Digital Torque Wrench Tester - 10-100NmTohnichiDOTE100N
Tohnichi DOTE100N3-G Digital Torque Wrench Tester - 10-100Nm / 100-1000kgf cm / 88-880in lb / 7.3-73ft lbTohnichiDOTE100N3-G
Tohnichi DOTE200N Digital Torque Wrench Tester - 20-200NmTohnichiDOTE200N
Tohnichi DOTE20N Digital Torque Wrench Tester - 2-20NmTohnichiDOTE20N
Tohnichi DOTE20N3-9 Torque Wrench Tester - 200-2000 cN.m / 2-20 Nm / 20-200 kgf.cm / 18-180 lbf.inTohnichiDOTE20N3-9
Tohnichi DOTE360N Digital Torque Wrench Tester - 36-360NmTohnichiDOTE360N
Tohnichi DOTE36N Digital Torque Wrench Tester - 3.6-36NmTohnichiDOTE36N
Tohnichi LC200N-G Torque Wrench CheckerTohnichiLC200N-G
TorcUP VT-1000 Torque Wrench - 1000ft lb - Battery Powered - Volta 1000TorcUP
URREA 6310Urrea
URYU UAT50 Hydraulic Torque Wrench / Pulse Impact Torque Wrench - 2.5-850NmUryuUAT50
URYU ULT-40D Pulse Torque Gun - 5.9ft lbUryuULT-40D
Waters 651C-3 - 0-32 IN-OZ Torque Watch - 0-32in ozWaters651C-3 - 0-32 IN-OZ
Waters 651C-3 - 0-48 IN-OZ Torque Watch - 0-48in ozWaters651C-3 - 0-48 IN-OZ
Waters 940-2 Torque Watch - HoneywellWaters940-2

Torque wrenches are commonly calibrated on an annual cycle, consistent with standard practice for torque-critical tools. Wrenches used in high-consequence applications such as aerospace or automotive assembly, or that see heavy daily use, are often calibrated more frequently to maintain measurement accuracy and support quality program requirements.

Calibrating a torque wrench involves cleaning and inspecting the tool, testing its applied force against NIST-traceable reference standards at multiple points across its rated range, adjusting it where the readings fall outside specification, and documenting the results on a certificate of calibration. Micro Precision performs this process in-lab or on-site.

Torque wrench calibration is the process of verifying that a torque wrench applies force accurately and consistently across its rated range by comparing it against NIST-traceable reference standards. It confirms the tool is performing within its required specification and documents the result on a certificate of calibration.

Torque wrench calibration cost varies by wrench type, service tier, and accreditation level required. Request a calibration quote from Micro Precision for pricing specific to your torque wrench inventory.

A torque wrench can be checked informally against a fixed reference in the field, but that check does not produce a certificate of calibration or establish NIST traceability. Quality systems that require documented, audit-ready calibration records rely on an accredited calibration provider such as Micro Precision instead.

Common signs a torque wrench needs calibration include inconsistent or unreliable torque readings, visible mechanical wear or damage, a recent drop or impact event, and an expired or approaching calibration due date. Any of these signs should prompt a calibration check before the tool is used again in a torque-critical application.

Micro Precision calibrates torque wrenches under an ISO/IEC 17025:2017 accredited calibration program that applies ANSI/NCSL Z540.3 requirements for measurement traceability and quality control. This framework governs how Micro Precision verifies, documents, and certifies torque wrench accuracy.

An uncalibrated torque wrench can apply incorrect force to fasteners without any visible warning, increasing the risk of product failure, unplanned downtime, safety hazards, and regulatory non-compliance. Regular calibration confirms the tool is performing within its required specification before it is used again.

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