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Pop Rivet Drill-Out Centering Guide
A handled drill guide for removing 3.2, 4.0 and 4.8 mm (1/8, 5/32, 3/16 in) blind rivets cleanly. A 45° cone on the underside centres each bore on the dome head, and a 22 mm long slip-fit bore (bit + 0.3 mm) keeps the drill straight, so the hole stays round and the casement-window arm, garage-door hinge or bracket can be riveted again.
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