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	d₃	l₁	h	C# [Nm]	L* [J]
Code	Description											Actions
65548	VB.639/45 SST-M6	45	M6	25	19	12	22.5	12	11	2	22
65638	VB.639/63-SST-M8	63	M8	28	26	18	25	15	30	7	47
65677	VB.639/80-SST-M8	80	M8	35	32	17	30	20	80	6	65
65678	VB.639/80-SST-M10	80	M10	35	32	21	30	17	80	6	65
65679	VB.639/80-SST-M12	80	M12	35	32	17	30	17	80	6	65
65708	VB.639/100-SST-M12	100	M12	42	35	25	36	20	110	8	91
65748	VB.639/130-SST-M16	130	M16	47	43	29	40	22	135	9	151

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