What size is E61 portafilter?

58mm
With the most popular 58mm portafilter dating back to 1961 with the birth of the e61, it enjoys the legacy position that is hard to beat.

Are all E61 Portafilters the same?

The compatibility of portafilters between brands sometimes becomes an issue. The portafilters for E61 group based heat exchanger espresso machines (HX) will generally fit between all makes due to a standardized brew group. Some enterprising coffee hobbyists often modify their preferred variety to use on their machines.

How do you measure portafilter size?

How to Determine You Portafilter Size

Measure the portafilter across the diameter (the centerline).
Change your reading to a decimal unit.
Convert the inches to millimeters by multiplying by 25.4 (2.33 x 25.4 = 59.18 mm)
Get a tamper that’s 0.75 mm smaller by subtracting (59.18 – 0.75 = 58.43 mm)

What size is E61?

For almost all E61 machines, the correct gasket size is 8.5 mm.

Are all 58mm Portafilters the same?

What Pat said — 58mm baskets are interchangeable, but many PFs are not. Rancilio and E61 PFs are interchangeable, and the bottomless Rancilio is sold by a few on line vendors as an E61 bottomless, so you got lucky.

What size is E61 group head?

Espresso Coffee Bottomless Portafilter E61 Group-head 58mm Coffee Machine (Brown)

Can you change portafilter size?

Portafilter Diameters: You Get What You Get Espresso machine group heads (the part you attach the portafilter to) are a preset size according to the manufacturer’s design. You cannot make them wider or smaller. 58mm in diameter is the emerging standard for commercial espresso machines.

What size tamper do I need for a 54mm portafilter?

53mm tamper for the “54mm” basket.

What size is an E61 group head?

Information on Gaskets: E61 group head gaskets come in two thickness’s, 8mm and 8.5mm. Some manufacturers use both sizes and some have changed from one size to another.

Is a wider portafilter better?

We can see that the larger portafilter is subject to a higher force of extraction with the same pressure. What this amounts to in practice is very much dependent on your setup. However it should tend towards better consistency in extraction.