VB.639

Three-arm knobs

Technopolymer

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Description

Main specifications

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.

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).
VB.639-SST: AISI 303 stainless steel boss, threaded blind hole.
VB.639-FP-SST: AISI 303 stainless steel, threaded pass-through hole.

General information

This knob has been designed for heavy duty work where the use of a hammer for a firmer clamping action is required.

		D	d_6H	L	d₁	d₂	d₃	l₁	l₂	C# [Nm]	L* [J]
Code	Description												Actions
65685	VB.639/80-FP-SST-M8	80	M8	35	32	18	17	30	25	80	6	77
65686	VB.639/80-FP-SST-M10	80	M10	35	32	18	17	30	25	80	6	77
65687	VB.639/80-FP-SST-M12	80	M12	35	32	18	17	30	25	80	6	77

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