Bernstein Pliers Brochure Page 5
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Tel. +49 (0) 2191 - 9650 - 0 PLIERS SURFACES Over the decades we have developed surface properties that meet the wide ranging applications and requirements arising in daily use. This involves properties such as corrosion protection, hardness, abrasion, spalling, smoothness and surface roughness in order to ensure the optimal work results. BURNISHED (free of glare and reflections) HIGH-GLOSS STEEL POLISHED FINE POLISHED AND GLOSSY BURNISHED (free of glare and reflections) MATT FINISH (free of glare and reflections) CUTTING SHAPE AND CUTTING PERFORMANCE The service life of the cutting tips depends on their sharpness. The sharper the edge (full flush) the quicker the wear. That’s why semi-flush pliers are preferable as long as flush or shock-reducing cutting is not required. Semi flush This can be used for hard and soft steel wires and soft materials, such as copper wire. The cut leaves a pyramid-like tip at the end of the wire. SEMI FLUSH Flush This provides an almost flush cut. It can be used for soft steel wires and copper wire. The cut is slightly shock reduced. It only leaves a very small tip at the end of the wire. Full flush This cuts completely flush and provides an extremely sharp cut. It is used exclusively for soft steel wires and copper wire and has a largely shock-reducing cut. It cuts absolutely plane-parallel. FLUSH FULL FLUSH SPECIAL FLUSH Special flush This is used to cut glass fibre, Kevlar, etc. Fitted with carbide insert Inserted with hard metal tips, designed for constant stress. These are also for tough nickel, electrode and tungsten wires. WIRE QUALITIES AND SYMBOLS (N/mm² = tensile strength) soft wire: 220 - 250 N/mm² medium hard wire: 750 - 800 N/mm² P hard wire: 1600 - 1800 N/mm² Piano wire: 2200 - 2300 N/mm²
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