Stainless steel small hole

Model：SS-3/8-Disc

Overview

SS Series standard stainless steel apertures: SS-304, 3/8" (ø9.5mm) standard disc, 33 hole sizes from 1 to 1000µm, circularity > 1.5µm, for spatial filtering, gas/liquid separators, molecular beam masks, particle counters and pinhole cameras.

Description

【Product Overview】

The SS Series standard stainless steel apertures are precision-manufactured from SS-304 stainless steel in a 3/8" (ø9.5mm) standard disc design, offering 33 hole sizes from 1 to 1000µm. With centering of ±0.125mm and circularity better than 1.5µm, they produce high-quality diffraction patterns and are the most widely used standard pinhole apertures in optical systems.

【Key Features】

(1) SS-304 stainless steel, corrosion resistant, long service life;

(2) 3/8" standard disc ø9.5mm, compatible with standard mounts;

(3) 33 hole sizes from 1 to 1000µm, from micron to millimeter scale;

(4) Circularity > 1.5µm, centering ±0.125mm;

(5) Graded hole tolerance: ±50% for small holes to ±5% for large holes;

(6) Optional MT-25 / MT-16 standard mounts.

【Typical Applications】

Spatial filtering, gas/liquid separators, molecular beam masks, particle counters, pinhole cameras, laser beam shaping and optical alignment.

Specifications

Material	SS-304 stainless steel (SS-302/304)
Outer diameter	9.5mm (3/8", +0.025 / -0.050mm)
Thickness	0.013-0.050mm
Hole range	1-1000µm (33 sizes: 1,2,3,4,5,6,8,9,10,12,15,17,20,23,25,30,35,40,45,50,75,100,150,200,300,400,500,600,700,750,800,900,1000)
Circularity	> 1.5µm
Centering	±0.125mm
Hole tolerance	0.5-1µm ±50%; 2µm ±40%; 3µm ±20%; 4-7µm ±15%; 8-100µm ±10%; 150µm+ ±5%

Technical Data

Specifications
Diameter	9.5mm +0.025 / -0.050mm
	(0.374in +0.00098 / -0.00197in)
Thickness	0.013-0.050mm
	(0.00051-0.00197in)
Centering	± 0.125mm
	(± 0.00492in)
Circularity	< 1.5µ
	(< 0.000059in)
Material	SS-304

Aperture Tolerances
Diameter	Tolerance +/-
0.5-1µ	50%
2µ	40%
3µ	20%
4-7µ	15%
8-100µ	10%
150µ +	5%