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Boltight has been at the forefront of hydraulic bolt tensioning for over a decade. Our tensioning tools provide fast, accurate and safe solutions to tighten and loosen multiple bolts simultaneously.

HEICO-TEC® Tensioning Systems

Easy, fast and reliable assembly of large bolted joints

• High preload force due to torsion-free assembly
• Controlled friction characteristics ensure the highest tightening and repeat accuracy
• Losses from settlement of the joint do not occur and full capacity of the joint is achieved
• Tension nuts and reaction nuts are compatible with common strength classes according to ISO 898-2
• Can be re-used several times
• Standard available from M20-M120 strength class 8 and M20-M90 strength class 10
• Other strength classes, bolt sizes, thread types and thread pitches are available on request

HEICO-TEC® Tension Nut
HEICO-TEC® Tension Nut - compact series
HEICO-TEC® Reaction Nut
HEICO-TEC® Tension Bolt
HEICO-TEC® Expansion Bolt
HEICO-TEC® Multi-Tool
HEICO-TEC® Protection Caps & Accessories