- ISO 9001 Certified
- 60+ Countries
- Made in India
- Warranty Backed
Screw Tester Apparatus
Description & Technical Specification
Screw Tester Apparatus
Technical Description of Screw Tester Apparatus
The main element of the unit is a slotted, elastically deformable steel block. By tightening the bolt joint, the slotted area is deformed, thereby generating an axial tension force in the bolt. The resulting deformation is recorded by a mechanical dial gauge, and is directly related to the bolt tension force generated. The bolt joint is tightened and slackened using a special torque wrench, which can be set sensitively with the aid of a threaded spindle. By using an axial bearing, the head friction of the bolt can be largely excluded, so that only the friction of the threaded joint is measured.
Specification of Screw Tester Apparatus
- Experiment on the correlation between the tension force and tightening torque of bolts
- Bolt size M8x100, wrench jaw size 13mm
- Elastic deformation of a slotted block by the bolt
- Determining the tightening and breakaway torque with a mechanical torque measuring device
- 2 position dial gauges
- Sensitive torque setting by hand wheel
Technical Data of Screw Tester Apparatus
- Tension force: max. 40kN
- Force/travel constant: 20kN/mm (on slotted block)
- Max. Tightening torque: 40Nm
- Torque/travel constant: 10Nm/mm (on torque measuring device)
- Position dial gauge: 0...10mm, graduations: 0,01mm
Dimensions and Weight of Screw Tester Apparatus
- l x w x h: 450x400x260mm
- Weight: approx. 27kg
Trusted by Ministries, Institutions & Industrial Buyers
For over four decades, Naugra has manufactured and exported workshop tools, laboratory equipment and turnkey training solutions to engineering colleges, TVET institutions, government tenders and industrial buyers across 60+ countries.
Manufacturer-Direct Pricing
Supplied directly from our manufacturing facility — no intermediaries, competitive export pricing and responsive technical support.
ISO 9001 Quality
ISO 9001:2015 quality management, CE compliance and calibration certificates accompany every shipment for procurement and audit compliance.
Tender & Export Experience
Registered vendor for World Bank, ADB, AfDB, UN and Exim Bank-funded tenders. Full bid-preparation, EMD and performance-guarantee support.
Installation & Training
On-site installation, commissioning, operator training and 12-month warranty cover included for institutional orders.
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