Irwin Hanson Silver and Deming HSS drill bit at 5/8 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.
Irwin Hanson Silver and Deming HSS drill bit at 1 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.
Irwin Silver and Deming HSS drill bit at 1-1/8 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.
Irwin Hanson Silver and Deming HSS drill bit at 11/16 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.
Irwin Hanson Silver and Deming HSS drill bit at 13/16 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.
Irwin Hanson Silver and Deming HSS drill bit at 3/4 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.