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Reach tighter corners without burn marks! The smallest bearing guides in the industry!

If you've often wanted to trim and shape small details in tight corners but were disappointed by the scoring and burning left behind by solid pilot bits, we have what you've been looking for: the most commonly used profiles in miniature sizes—complete with tiny ball bearing guides. These bits are perfect for signs, lettering, small boxes, and musical instruments—essentially any project that requires tiny flush trimming or shaping. Precisely machined and carbide-tipped.

-Bearings stay cool, unlike brass pilots
-Rout intricate contours for delicate projects
-Perfect for crafters & hobbyists
-Fine musical instruments

Unit of Measure



N/A 5/16 in

Diameter (D1) -

N/A 3/16 in

Cut Height (B)

N/A 1/2 in


N/A 1/16


N/A 1/4 in

Overall Length

N/A 2 in

Addt'l Description

N/A Rabbet

Replacement Parts

N/A , Amana Tool 3/32 Shk x 3/16 Dia x .094 Thick Steel Ball Bearing Guide ($4.43)
, Amana Tool Steel Flat Lock Washer 11/64 Overall Dia x 3/32 Inner Dia ($1.88)
, Amana Tool Hex Nut 2-56 UNC for Miniatures ($0.98)


N/A Amana Tool Industrial



N/A Replacement bearing #47775; hex nut #67135; lock washer #67129
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