Bonnell Springs Units Specifications:
High-Carbon Manganese Steel Wire, SWRH #72 A Grade.
Wire Diameter: 1.8-2.4mm.
Height: 150-220mm.
Mid-Coil Diameter: 60-85mm.
5-7 Turns.
Border and Corner Dia.: 4.0-5.0mm.
Helical Wire Dia.: 1.4-1.6mm.
Reenforced Springs,Corner Springs: 3.0 or 3.8mm.
Heat Treatment by computer, High Elasticity.
ISO 9001:2000, Compression Resistance 80000 Times.
Guarantee 12 Years.
OEM.
High-Carbon Manganese Steel Wire, SWRH #72 A Grade.
Wire Diameter: 1.8-2.4mm.
Height: 150-220mm.
Mid-Coil Diameter: 60-85mm.
5-7 Turns.
Border and Corner Dia.: 4.0-5.0mm.
Helical Wire Dia.: 1.4-1.6mm.
Reenforced Springs,Corner Springs: 3.0 or 3.8mm.
Heat Treatment by computer, High Elasticity.
ISO 9001:2000, Compression Resistance 80000 Times.
Guarantee 12 Years.
OEM.
Certificate
- ISO 9001:2000 ISO 14001:2004
Main Products
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