mixing paddle sizes explained: 120mm vs 140mm vs 160mm
Bottom line first: paddle diameter is a batch-size decision, not a quality ranking. One M14×2.0 thread covers all three Cirelto sizes — Ø120, 140 and 160mm — shipped worldwide from the Wenzhou, China wholesale program. Pick the head for the material and the bucket; stock all three and every mixer on site has a paddle that fits the job.
by peter zhang · sep 17, 2026
one thread, three diameters
Ø120mm for small batches and thin materials, Ø140mm as the general-purpose middle, Ø160mm for mortar volume. All three share the M14×2.0 thread and ship from MOQ 10 pcs per size — a full starter set is 30 pcs.
the M14×2.0 thread: why one paddle standard fits
Every paddle in the Cirelto mixing paddle (M14) CI-M14 line mounts on an M14×2.0 thread — the spindle standard across professional mixing tools, including the Cirelto electric mortar mixer. One thread means one SKU family: a distributor stocks paddles once, and they fit every mixer the customer owns today or buys next year. It also means the three diameters below are true alternatives, not three compatibility ladders — the only decision is batch size.
Ø120mm × 590mm: small batches and thin materials
The 120mm head (variant SKU CIR-MX-MP-120) is the precision end of the range. In a small bucket it turns the full batch volume, so paint, primer and small compound mixes blend evenly without a dead zone at the rim. The shorter 590mm total length suits shallow buckets and low-volume work. For crews that mix per-room rather than per-day, this is the head that stays on the mixer.
Ø140mm × 620mm: the middle SKU
The 140mm head (CIR-MX-MP-140) is the one to hand a customer who can't name their material. Plaster, putty and mid-volume compound all sit in its comfort zone, and the 620mm shaft reaches standard buckets without the head bottoming out. If a first paddle order has to be one SKU deep, this is the default; the other two diameters then serve the specialists.
Ø160mm × 650mm: mortar volume
The 160mm head (CIR-MX-MP-160) moves the most material per revolution and pushes the stiffest mixes — mortar above all. Paired with the 2100W mixer class it turns heavy batches without lugging, and the 650mm length keeps hands clear of a deep bucket's rim splash zone. Mortar crews burn through paddles faster than any other user group, which is exactly why this diameter earns its place as a repeat-purchase SKU.
length too: 590 / 620 / 650mm reaches the bucket bottom
The three sizes grow in length as they grow in diameter — 590, 620 and 650mm total — and that progression is deliberate. A bigger head needs the extra reach to stay submerged in a deeper batch, and a longer shaft keeps the operator's hands above the splash line. When a customer asks whether the longest paddle fits their mixer, the answer is yes: the thread is identical, and the length difference only changes how deep the bucket can be.
stocking: three SKUs, one MOQ
At MOQ 10 pcs per diameter, a complete three-size paddle set costs 30 pcs of order volume — a rounding error in a mixed container, and the paddles ride along with a mixer order at 3-7 day lead time in plastic-bag or color-box packaging. Paddles are consumables: they wear, they bend when a batch grabs, and crews replace them on schedule, so the SKU family compounds alongside the machine sale. For markets with a private-label angle, paddles are OEM-available from the 50-pc program floor — a low-risk first OEM test before branding whole machines. The electric mortar mixer buying guide covers the machine side of the pairing.
faq
Will a 160mm paddle overload a smaller mixer?
Match diameter to power. The Ø160mm head moves the most material per turn and suits the 2100W class on stiff mortar; the 120mm and 140mm heads are the natural pairings for lighter batches and the 1600W class. The paddle threads on either way — the match is about batch character, not compatibility.
Are these paddles M14 thread or drill-chuck mount?
M14×2.0 — the standard mixer spindle thread. They thread directly onto mixer spindles including the Cirelto electric mortar mixer (CI-M1600/2100). They are not designed for a standard drill chuck.
How do I clean a mixing paddle between materials?
Rinse the shaft and head with water immediately after use, before the residual mortar, plaster or paint cures. Cured material on a paddle unbalances it and ends up as hard lumps in the next batch.
What are the MOQ and OEM terms for paddles?
MOQ is 10 pcs per diameter, so a full three-size starter set is 30 pcs. Paddles are OEM-available — private label runs from the 50-pc program floor — with plastic-bag or color-box packaging and a 3-7 day lead time.
get the three-size paddle quote
Ø120, 140 and 160mm from 10 pcs each, 3-7 day lead — tell us the quantities and we'll quote the set with your mixer order consolidated.