Pinhole Aperture

Beam-limiting optical aperture disc with a precise central bore.

Variants: 11 types
Diameter: 6–20 mm
Length: 2–5.5 mm
Material: Aluminium
Tolerance: h7

Dimension SchematicOPTB-PIN-06 — representative variant of this family

Code & Size Table

Code, dimensions and tolerance for all 11 variants.

Code	Diameter (mm)	Length (mm)	Feature	Tolerance	Std
OPTB-PIN-01	6	2	⌀0.5	h7 · ⌀6: 0/−0.012	0.10 mm pinhole
OPTB-PIN-02	8	2	⌀0.5	h7 · ⌀8: 0/−0.015	0.20 mm pinhole
OPTB-PIN-03	10	2.5	⌀0.5	h7 · ⌀10: 0/−0.015	0.30 mm pinhole
OPTB-PIN-04	12	3	⌀0.5	h7 · ⌀12: 0/−0.018	0.50 mm pinhole
OPTB-PIN-05	12	4.5	⌀0.75 · 2 steps	h7	stepped, 0.75 mm
OPTB-PIN-06	14	3	⌀1	h7 · ⌀14: 0/−0.018	1.00 mm pinhole
OPTB-PIN-07	14	5.5	⌀1.5 · 2 steps	h7	stepped, 1.5 mm
OPTB-PIN-08	16	4	⌀2	h7 · ⌀16: 0/−0.018	2.00 mm diaphragm
OPTB-PIN-09	16	4	knurl · ⌀2.5	h7 · ⌀16: 0/−0.018	knurled edge, 2.5 mm
OPTB-PIN-10	18	4	⌀3	h7 · ⌀18: 0/−0.018	3.00 mm diaphragm
OPTB-PIN-11	20	5	knurl · ⌀4	h7 · ⌀20: 0/−0.021	knurled, 4.0 mm field diaphragm

Material & Tolerance

The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.

Steel
Stainless Steel
Brass
Aluminium (standard)

General Notes

This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
This data sheet carries no prices; contact us with the part code for pricing and a quote.

The CAD model (STEP) and 2D drawing (DXF) are downloaded from the family page: ayyildizrobotics.com/en/arac/sw20-parca-katalogu/optik/optik-opt-pinhole-aperture#OPTB-PIN-06

Contact: Phone +90 505 577 02 45 · E-mail info@ayyildizrobotics.com · Web ayyildizrobotics.com