Diaphragm Ring

Knurled fixed-aperture diaphragm ring with a central through-bore.

Variants: 10 types
Diameter: 8–20 mm
Length: 4–6 mm
Material: Brass
Tolerance: h7

Dimension SchematicOPTA-DIA-15 — representative variant of this family

Code & Size Table

Code, dimensions and tolerance for all 10 variants.

Code	Diameter (mm)	Length (mm)	Feature	Tolerance	Std
OPTA-DIA-08	8	4	knurl · ⌀2	h7 · ⌀8: 0/−0.015	aperture 2 mm
OPTA-DIA-10	10	4	knurl · ⌀3	h7 · ⌀10: 0/−0.015	aperture 3 mm
OPTA-DIA-12	12	4.5	knurl · ⌀4	h7 · ⌀12: 0/−0.018	aperture 4 mm
OPTA-DIA-13	13	4.5	knurl · ⌀5	h7 · ⌀13: 0/−0.018	aperture 5 mm
OPTA-DIA-14	14	5	knurl · ⌀6	h7 · ⌀14: 0/−0.018	aperture 6 mm
OPTA-DIA-15	15	5	knurl · ⌀7	h7 · ⌀15: 0/−0.018	aperture 7 mm
OPTA-DIA-16	16	5	knurl · ⌀8	h7 · ⌀16: 0/−0.018	aperture 8 mm
OPTA-DIA-17	17	5.5	knurl · ⌀9	h7 · ⌀17: 0/−0.018	aperture 9 mm
OPTA-DIA-18	18	5.5	knurl · ⌀10	h7 · ⌀18: 0/−0.018	aperture 10 mm
OPTA-DIA-20	20	6	knurl · ⌀12	h7 · ⌀20: 0/−0.021	aperture 12 mm

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 (standard)
Aluminium

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-iris-diaphragm-ring#OPTA-DIA-15

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