1/2 Dual Auger-Bit

Dual-purpose shank for use in hand braces and 3/8" and larger electric drills. Specially designed cutting head and screw point makes for cleaner and faster boring in all types of wood. Ground from special alloy tool steel, fully heat-treated. Overall length 8-1/2". Boring depth 6".No. 49904: 1/4" diameter, 7/32" hex shankNo. 49905: 5/16" diameter, 7/32" hex shankNo. 49906: 3/8" diameter, 7/32" hex shankNo. 49907: 7/16" diameter, 7/32" hex shankNo. 49908: 1/2" diameter, 7/32" hex shankNo. 49909: 9/16" diameter, 5/16" hex shankNo. 49910: 5/8" diameter, 5/16" hex shankNo. 49911: 11/16" diameter, 5/16" hex shankNo. 49912: 3/4" diameter, 5/16" hex shankNo. 49913: 13/16" diameter, 5/16" hex shankNo. 49914: 7/8" diameter, 5/16" hex shankNo. 49915: 15/16" diameter, 5/16" hex shankNo. 49916: 1" diameter, 5/16" hex shank