Washer (with Ventilation Grooves)

SWAS-VF

May be used with vacuum chamber applications in clean rooms, FPD (Flat Panel Display) and semiconductor production equipment and devices.
All clean washed. Clean-Wash format prevents inclusion of oil and foreign particles.
SWAS-VF-PC Chemical Polish improves surface roughness and reduces diffusion to microscopic levels.
For use with Socket Head Cap Screw (with Ventilation Hole) SVSS and Hexagon Head Bolt (with Ventilation Hole) SVHS
Material/Finish
SUS304 Equivalent
SWAS-VF : Without Surface Treatment
SWAS-VF-PC : Chemical Polish
Applications
Remove trapped gases in the pilot bore through the ventilation hole SVSS and air or gas in the bolt through the washer with Ventilation Grooves.

Dimensions & Specifications

SWAS-VF (without Surface Treatment)

unit:mm
Catalog Number	Nominal Size	d	D	t	Mass (g)	Q'ty per Pack
SWAS-3-VF	3	3.2	7	0.5	0.1	20
SWAS-4-VF	4	4.3	9	0.8	0.3	20
SWAS-5-VF	5	5.3	10	1	0.4	10
SWAS-6-VF	6	6.4	12.5	1.6	1.1	10
SWAS-8-VF	8	8.4	17	1.6	2.1	10
SWAS-10-VF	10	10.5	21	2	3.9	5
SWAS-12-VF	12	13	24	2.5	6	5

SWAS-VF-PC (Chemical Polish)

unit:mm
Catalog Number	Nominal Size	d	D	t	Mass (g)	Q'ty per Pack
SWAS-3-VF-PC	3	3.2	7	0.5	0.1	20
SWAS-4-VF-PC	4	4.3	9	0.8	0.3	20
SWAS-5-VF-PC	5	5.3	10	1	0.4	10
SWAS-6-VF-PC	6	6.4	12.5	1.6	1.1	10
SWAS-8-VF-PC	8	8.4	17	1.6	2.1	10
SWAS-10-VF-PC	10	10.5	21	2	3.9	5
SWAS-12-VF-PC	12	13	24	2.5	6	5