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Product Catalog


i-Bolt®


Installed Load Tightening Accuracy (any tool) ± 3%(3σ) Load Inspection Accuracy (Lifecycle of joint is 30+ years) ± 5%(3σ)


i-bolts (1) i-Bolts

The i-Bolt® Technology takes the end users fasteners and places a permanent transducer (only 50 microns thick) at the top or the bottom of each bolt. Form, fit or function of the fastener is not affected or changed. Unlike conventional ultrasonics, the technology doesn’t require parallel surfaces and is not dependant on common transducer attachment procedures. Each bolt type and joint is first ultrasonically qualified by LCT. The end user fills out an Application Information Form (AIF) for each joint/bolt type. LCT replicates the end user’s joint, generates the ultrasonic parameters and stores the ultrasonic signatures (including the zero load reading) of each individual bolt against their respective unique id’s in the transducer embedded 2-D barcode. Once a joint/bolt type is qualified it is so for the life of it –bolts can be ordered indefinitely. So, once the end user receives the i-Bolts they are ready to be used. The transducer is permanent and enables load inspections and tightenings throughout the life of the joint at any time with near perfect repeatability.

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LoadMaster 3500 LoadMaster® 3500
The LoadMaster® 3500 (LM3500) is a portable, fully featured unit for tightening to a target load or for inspecting load at any time after assembly (seconds, weeks, years, etc.). It will store full tightening curves of "load vs. time" and has the capability to also generate Torque-Tension curves when used with the LoadMaster® Torque/Load Hand Wrench. Data is taken in the actual joint with zero disturbance (no turn of the nut, no bolt drilling or cutting, etc. required). All measurements are automatically recorded and converted into Excel spreadsheets along with analytical templates for curve plotting, including graphical representation of friction parameters. It includes all the accessories needed for inspection and assembly plus the i-Probe (integrated inspection device). The LoadMaster® DataManager software is provided.

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Load-Controlled Impact Wrench Load-Controlled Impact Wrench*
1/2 inch drive, 400Nm

Fast, cost effective, and accurate to a specified load. Many other standard options are available, plus custom solutions. Contact us for more information.

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*Requires Pneumatic Tool Control Kit (please find on the LoadMaster® Accessories page).

Load-Only Ratchet Hand Wrench Load-Only Ratchet Hand Wrench

For load-controlled hand tightenings achieving +3% (3σ) load accuracy.



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Load/Torque Hand Wrench Load/Torque Hand Wrench
Drive: 1/2 in
Torque Range: 250 Nm/184 lbft.ft
Length: 21.6 in
Weight: 4.0 lbs

For load-controlled hand tightenings. Also provides user with torque measurements.

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Loadmaster® 2500

The LoadMaster® 2500 is a single channel ultrasonic module designed to measure load on individual spindles for existing multi-spindle assembly systems. There is no limit on the number of spindles and it is applicable to most major brands and tool manufacturers.

When used with existing tool controllers it connects and communicates without affecting their current functionality. It allows the customer to switch between Torque or Torque/Angle control and Load control or just to monitor Load during the current tightening methodology. ± 3% installed load accuracy is achieved independent of operator and tool brand.

Every spindle is equipped with a spring loaded contact pin in their respective drives; this provides contact between the transducer on the bolt and the LoadMaster® 2500. Spindle modification is included with the LoadMaster®2500.

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Loadmaster® 4500

The LoadMaster 4500 is a panel mount unit that provides load control or load monitoring for existing DC single spindle nut runners. It is applicable to most major brands and tool manufacturers.

When used with existing tool controllers it connects and communicates without affecting their current functionality. It allows the customer to switch between Torque or Torque/Angle control and Load control or just to monitor Load during the current tightening methodology. ± 3% installed load accuracy is achieved independent of operator and tool brand.

Every tool is equipped with a spring loaded contact pin in their respective drives;this provides contact between the transducers on the bolt and the LoadMaster® 4500. This service is included with the LoadMaster® 4500.

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