Library › Hardware › Tri-clamp heat sink for 2 in tube, 34 mm, fins to Ø72

fin-sleeve half (y ≥ 0.5)

fin-sleeve half (y ≥ 0.5): bore Ø50.8, wall 3, radial fins 1.5 thick to Ø72 every 15° (none within ±20° of the ears), 34 long; ears x ±27.9..36 with Ø4.5 at x ±32: fits inside the flame shroud's band

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

part	ta-fin-sleeve-half-2in-34-r36
bore_mm	50.8
length_mm	34.0
fins	20 per sleeve, 1.5 thick
fin_tip_dia_mm	72.0
ears_to_r_mm	36.0
screws	2 × M4 × 12 + nuts

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From the full sheet

Tri-clamp heat sink for 2 in tube, 34 mm, fins to Ø72: every size, notes, mating features and sources. What compact fin sleeve fits a 2 inch tri-clamp tube?