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VB.639

VB.639
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Three-arm knobs INOX STAINLESS STEEL MATERIAL Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish. VB.639/130: glass-fibre reinforced polypropylene based (PP) technopolymer, black colour, matte finish. STANDARD EXECUTIONS -- VB.639-A: black-oxide steel boss, plain blind hole. -- VB.639-B: brass boss, threaded blind hole. -- VB.639-FP: brass boss, threaded pass-through hole. -- VB.639-p: zinc-plated steel threaded stud with chamfered flat end as in UNI 947 : ISO 4753 (see Technical data on page A-11). -- VB.639-SST: AISI 303 stainless steel boss, threaded blind hole. APPLICATIONS This knob has been designed for heavy duty work where the use of a hammer for a firmer clamping action is required. Clamping knobs # "Max limit Tightening torque" means the max torque value at which the metal insert, in normal conditions of use, is perfectly and strongly anchored to the plastic material. * For impact strength (L) see Technical data on page A-3. 6/2020 Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings and photos.

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Three-arm knobs # "Max limit Tightening torque" means the max torque value at which the metal insert, in normal conditions of use, is perfectly and strongly anchored to the plastic material. * For impact strength (L) see Technical data on page A-3. Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings and photos. Clamping knobs

Open the catalog to page 2