1×1 Round Plate w/ Hole (Part 85861)

Custom LEGO part image © 2025 Tom Alphin / Brick Architect.
This part is sometimes referred to as an "Apollo stud" — a mishearing of the phrase "a hollow stud".
External Links
LEGO parts are described differently on other websites and may use different part numbers.
LEGO Pick a Brick:
28626 PL.ROUND 1X1 W. THROUGHG. HOLE
29387 PL.ROUND 1X1 W. THROUGHG. HOLE
Bricklink:
85861 Plate, Round 1 x 1 with Open Stud
Rebrickable:
85861 Plate Round 1 x 1 with Open Stud
Brickset:
28626 PL.ROUND 1X1 W. THROUGHG. HOLE
29387 PL.ROUND 1X1 W. THROUGHG. HOLE
85861 PL.ROUND 1X1 W. THROUGHG. HOLE
LDraw:
85861 Plate 1 x 1 Round with Open Stud
Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.
Overall Rank is a weighted score combining the number of parts, sets, and colors produced.
Current ranking based on sets released between 2021-2025.
Printable LEGO Brick Label
Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.
Included in legacy LEGO Brick Labels collection.
Small QR codes are hard to scan with some devices.
Date Added: 2024-02-21 12:00:00
Date Modified: 2025-04-06 16:24:04