Products for bench top machinists | LittleMachineShop.com

Knob, 8 mm

Knob, 8 mm - Main image
$1.77 $2.95 In stock

This knob is used on the high/low speed shifter of both the mini lathe and the mini mill and on the Z-axis coarse feed on the mini mill.

This 8 mm internal threaded knob also fits the tailstock locking lever and the autofeed handle shaft on the bench lathe.

Part #s 18 and 286 on SC4 parts diagram (SC4-18 & SC4-286).

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Customer Reviews (4.6 / 5 · 5 reviews)

Claire ★★★★★

Replacing the original knob on my mini mill’s Z-axis was a ten-minute job, and this 8 mm thread locked on tight without any wobble. The knurled grip feels solid under my fingers, even with light oil on them.

Ella ★★★★★

The 8mm threading was exactly what I needed to replace the worn-out shifter knob on my mini lathe—it threaded on smoothly and snugly. It's a simple, functional piece that does the job without any fuss.

Emily ★★★★★

Finally got the right knob for the mini lathe's speed shifter—the 8 mm thread fit perfectly and it tightened down without any wobble. Feels solid when I'm flipping between high and low, and the Z-axis coarse feed is way easier to grip now.