Imperial 70251 High Speed Steel Bottom Tap, 5/16"-18 Box 4-3/4" (121mm) Bi-Metal Hole Saw

4-3/4" (121mm) Bi-Metal Hole Saw

Two-year warranty by manufacturer

Safeswitch prevents saw from being operated when locking key is removed

Size: 3-1/2" W x 3-1/2" H x 54" L

to 1-1/8 in

Imperial 70251 High Speed Steel Bottom Tap, 5/16"-18 Box 4-3/4" (121mm) Bi-Metal Hole SawHighlights: Material: High Speed Steel Number of Flutes: 4 Overall Length: 2. 7188" Pitch Diameter Limits: H3 Shank Type: Straight w square Square Length: 0. 3750" Square Size: 0. 2380" Thread Length: 1. 1250" Thread Size: 5 16" 18 Bottoming Taps have 1 1 2 threads chamfered for use after threads have been started for tapping to bottom of hole High speed tungsten steel taps out perform ordinary taps for production tapping Special design keeps taps