- Unit Type: piece
- Package Weight: 0.001kg (0.00lb.)
- Package Size: 1cm x 1cm x 1cm (0.39in x 0.39in x 0.39in)
Cheap case pro, Buy Quality drilling basics directly from China drilling hole in head Suppliers: 5pcs INCH Cobalt Multiple Hole Step Drills 3/16-1/2'',1/8-1/2'',1/4-3/4'',3/16-7/8'',1/4-1-3/8'' HSS Aluminum Case
Features: This set replaces 50 individual drill bits. Two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill\\\'s chuck. Cobalt coated for smoother cooler cutting. SELF STARTING - No need for a pilot hole. Cobalt coated to reduce friction and run cooler Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck Automatically deburrs holes as you drill Long Life True M2 high speed steel Includes protective padded aluminum case
Size: 3/16-1/2\\\'\\\'(3/16,1/4,5/16,3/8,7/16,1/2) 1/8" -1/2" 13 Steps (1/8", 5/32", 3/16\\\'\\\', 7/32", 1/4\\\'\\\', 9/32", 5/16", 11/32", 3/8\\\'\\\', 13/32", 7/16\\\'\\\', 15/32" , 1/2\\\'\\\') 1/4-3/4\\\'\\\'(1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4) 3/16-7/8\\\'\\\'(3/16,1/4,5/16,3/8,7/16,1/2,9/16,5/8, 11/16,3/4,13/16,7/8) 1/4-1-3/8\\\'\\\'(1/4,3/8,1/2,5/8,3/4,7/8,1,1-1/8,1-1/4,1-3/8)