Products for bench top machinists | LittleMachineShop.com

Collet Chuck, ER20, JT33

Collet Chuck, ER20, JT33 - Main image
$17.72 $23.95 In stock

JT33 轉 ER-20 筒夾夾頭,銑削夾頭座。
此筒夾夾頭經硬化與精密研磨處理,偏擺(T.I.R.)為 <= 0.0002"(0.005 mm)。此夾頭可夾持所有 ER-20 筒夾。

ER-20 筒夾的夾持範圍為 1/16" 至 1/2"(1.0 mm 至 13.0 mm)。

*筒夾必須先組裝至筒夾夾頭螺母中,再插入筒夾夾頭。

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Customer Reviews (4.6 / 5 · 5 reviews)

Henry V. ★★★★★

I was skeptical about runout on a budget chuck, but this one measured under 0.0002" on my indicator just as advertised. The hardened surface on the JT33 taper looks and feels like it'll last.

Nicholas F. ★★★★★

Mounted it on my mill and checked the runout with a dial indicator—dead on the 0.0002" spec, so no fiddling with shims. The hardened surface feels solid and the taper seats cleanly every time.

Eva ★★★★★

I was skeptical about the runout, but measuring it on a test bar showed it's genuinely within the 0.0002" spec — my finish passes have been noticeably cleaner. The hardened body feels solid in the holder, and the JT33 taper seated nicely on the first try.