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_6g	L	d₁	d₃	l	l₁	C# [Nm]	L* [J]
Code	Description											Actions
65561	VB.639/45 p-M6x20	45	M6	25	19	12	20	22.5	10	2	22
65565	VB.639/45 p-M8x25	45	M8	25	19	12	25	22.5	23	2	29
65652	VB.639/63 p-M8x25	63	M8	28	26	18	25	25	25	7	46
65692	VB.639/80 p-M10x30	80	M10	35	32	21	30	30	50	7	83
65722	VB.639/100 p-M12x40	100	M12	42	35	25	40	36	110	8	129

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