Bülte has added two new wing grips BPF 251 and BPF 252 to its handwheel and knob range. The body's ergonomic shape and use of small raised strips enable a good grip. Screw and nut versions are available. For the screws, lengths are from 8 to 50mm and they are available in M4 and M5 x 28mm across the wings for BPF 251, and M5 and M6 x 31mm across the wings for BPF 252.
>The standard material is Polyamide, which is resistant to various chemical products. It also has excellent mechanical properties including wear resistance, low friction coefficient, a high melting point, good impact resistance, as well as being very light. The working temperature range is -30 to +100°C. The standard material for threads is zinc plated steel.