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_H9	L	d₁	d₂	d₃	l₁	l₂	h	C# [Nm]	L* [J]
Code	Description													Actions
65531	VB.639/45 A-6	45	6	25	19	12	12	22.5	17	14	11	2	26
65631	VB.639/63 A-6	63	6	28	26	15	18	25	23	18	30	7	55
65672	VB.639/80 A-8	80	8	35	32	15	21	30	25	20	80	6	74
65702	VB.639/100 A-10	100	10	42	35	20	25	36	25	21	110	8	128
65742	VB.639/130 A-12	130	12	47	43	20	29	40	31	24	135	9	166

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