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• Meets Australian Standard (Ductwork for air-handling systems in buildings) AS4254-1 • Ensures Sag of less than 40mm between supports • Manufactured with market-leading fire retardant material (V0 according to UL94 requirements) • Reduces waste with supplied strap to be cut to length on site • Double the required support width at 150mm making it the widest support system on the market • Support slots designed to lock the straps in and assist parallel hanging preventing sliding or twisting • No sharp edges to damage the duct fabric or material • Provides contact to >25% of duct diameter up to 600mm
- Blades: special tool steel
5 J35Z 2008-2013 (Front)
mounted stones
Holemaker Silver Series Annular Cutter 55mmx50mm DOC TM9162-08100 • Meets Australian Standard (DuctworkAS5550 Holemaker Silver Series Annular Cutter 55mmx50mm DOC M2AL HIGH SPEED STEEL MATERIAL. M2AL high speed steel is a high alloy material with a hardness of up to 67. 5 HRC designed for increased endurance of the cutting edge and tool life. STEP HARDENED PROCESS. This state of the art manufacturing process produces cutters with extremely hard tooth tips for increased cutter performance while maintaining a softer body which is lesssusceptible to
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